Somebody help ...............................

Somebody Help ...............................

Answers

Answer 1
D is the correct answer

Related Questions

Tamika bought snacks for her team's practice. She bought a bag of oranges for $2.19 and a 12-pack of juice bottles. The total cost before tax was $8.31. Which tape diagram could be used to represent the context if xx represents how much each bottle of juice costs?

Answers

The cost of each bottle of juice is $0.51.

What is a tape diagram?

The tape diagram can be used to illustrate the relationship between the numbers that are given.

Let the cost of each bottle of juice be x.

In this case, she bought a bag of oranges for $2.19 and a 12-pack of juice bottles and the total cost before tax was $8.31.

This will be:.

2.19 + 12x = 8.31

Collect like terms

12x = 8.31 - 2.19

12x = 6.12

Divide

x = 6.12 / 12

x = 0.51

The cost is solved. Note that the tape diagrams weren't given but the.coat is solved accordingly.

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____ is the mass of water vapor in a given amount of air expressed in grams per cubic meter (g/m3).

Answers

Absolute humidity in conjunction with other factors, such as relative humidity and dew point temperature, can help provide a comprehensive understanding of the atmospheric conditions and their implications.

The term you are looking for is "absolute humidity." Absolute humidity is the mass of water vapor in a given amount of air expressed in grams per cubic meter (g/m3). This measurement represents the actual amount of moisture present in the air, regardless of the temperature or pressure. It is essential to understand and monitor absolute humidity for various applications, such as meteorology, environmental studies, and indoor air quality management. In contrast to relative humidity, which describes the percentage of moisture in the air compared to the maximum amount it can hold at a given temperature, absolute humidity provides a more accurate and direct representation of the water vapor content in the air. By measuring absolute humidity, scientists and professionals can better assess and predict weather patterns, manage heating, ventilation, and air conditioning (HVAC) systems, and ensure optimal conditions for health and comfort. It is important to note that absolute humidity can change as air temperature and pressure change, even if the amount of water vapor remains constant. This is because the air's capacity to hold water vapor depends on its temperature and pressure.

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Martha and her friends went to aqua world water park, where they floated down the lazy river for 1 3 of an hour. this was 1 4 of the total time martha and her friends spent at aqua world. use an equation to find the total amount of time martha and her friends spent at the park. to write a fraction, use a slash ( / ) to separate the numerator and denominator.

Answers

The correct answer is- Martha and her friends spent 1 hour at Aqua World water park.

Martha and her friends spent 1 3 of an hour floating down the lazy river, and this was 1 4 of the total time they spent at Aqua World water park. Let’s use the variable t to represent the total time Martha and her friends spent at the park. From the given information, we know that 1/3 of this time was spent floating down the lazy river, so we can write the following equation:1/3 t = (1/4)t

To solve for t, we’ll start by multiplying both sides of the equation by 12 to get rid of the fractions: 4t = 3t

Then, we’ll subtract 3t from both sides of the equation: 4t - 3t = t

Thus, the total amount of time Martha and her friends spent at Aqua World water park is t = 1 hour.

Therefore, Martha and her friends spent 1 hour at Aqua World water park.

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Jayla has a USB stick that transfers data at 2.4 x 109 bytes per second. Her modem transfers data at 1.2 x 107 bytes per second. Which statement is true?

Answers

Answer:

the modem transfers data not the usb stick

A plane (at point P) sees a bridge (at point B) at an angle of depression on 28 degrees. The horizontal distance between the plane and the bridge is 3000 feet. Explain which trigonometric equation can be used to solve for the height of the plane (segment PA). What is the height of the plane? You must show all work and calculations to receive full credit. Round your answer to the nearest foot.

A plane (at point P) sees a bridge (at point B) at an angle of depression on 28 degrees. The horizontal

Answers

The height of the plane PA is given as; 1591 ft

How to use trigonometric ratios?

There are different trigonometric ratios such as;

cos θ = adjacent/hypotenuse

sin θ = opposite/hypotenuse

tan θ = opposite/adjacent

Now, looking at the given image showing plane and bridge indicated by lines, we can use one of the trigonometric ratios to get the height of the plane PA as;

PA/3000 = tan B

now angle B = 28 degrees from alternate angles postulate. Thus;

PA/3000 = tan 28

PA = 3000 * tan 28

PA = 3000 * 0.5317

PA = 1591 ft

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\(tan 28^o = \frac{PA}{3000}\)

tan 28° · 3000= PA

(use a scientific calculator)

1595.128= PA

height = 1595

Пожалуйста помогите с задачей 3.7

 3.7

Answers

Answer: I don’t understand this

Maria mixes cream and milk in a ratio of 2 parts cream and 3 parts milk.
She uses 8 liters of cream in her mixture.
How many liters of mixture in
all does she make?
How many liters of milk does she use for the mixture?

Answers

Answer:

If Maria uses 2 parts cream and 3 parts milk, then for every 2 parts of cream, she uses 3 parts of milk.

Since she uses 8 liters of cream, we can find the total volume of mixture by finding the equivalent volume of milk that she used.

To find the equivalent volume of milk, we multiply the volume of cream by the ratio of milk to cream:

8 liters * (3 parts milk) / (2 parts cream) = 12 liters

So Maria used 8 liters of cream and 12 liters of milk for a total volume of 20 liters.

To answer your questions, Maria uses 8 liters of cream in her mixture and a total of 11 liters of mixture in all. This means that she uses 3 liters of milk for the mixture.

how many days could a 60kg deer survive without food at -20 degrees - has 5kg of fat
18 days

Answers

The survival time of a 60kg deer without food at -20 degrees Celsius depends on various factors, including its age, sex, and physical condition. However, assuming the deer is healthy and has 5kg of fat, it could potentially survive for around 30 to 50 days without food.

The exact survival time can vary depending on several factors, such as the deer's level of physical activity, environmental conditions, and how much energy it is expending to stay warm in the cold temperature. Additionally, if the deer is able to find sources of water, this can also increase its chances of survival.

It's important to note that this is just an estimate and that the actual survival time may vary. If the deer is injured or sick, its chances of survival may be reduced, and it may not be able to survive as long without food.

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Complete Question

How many days could a 60kg deer survive without food at -20 degrees Celsius if it has 5kg of fat?

missy rode her bicycle 16 miles in 1 1 4 hours. what was her average speed in miles per hour? miles per hour step by step

Answers

Missy rode her bicycle 16 miles in 1 1 4 hours. Her average speed in miles per hour is 12.8 mph

What is average speed?

Calculating average speed involves dividing the whole distance traveled by the total time it takes to cover that distance.

Speed is the rate of movement of anything at a specific time. Average speed refers to the average speed during the course of a journey. Typically, average speed refers to the speed of moving objects like cars, trains, and aircraft. It is frequently expressed in kilometers per hour (kph) or miles per hour (mph) (kph).

In many different disciplines, such as physics, astronomy, and transportation, average speed is employed.

As we know,

average speed is distance traveled divided by time taken

average speed = 16 miles × 5/4

average speed = 12.8 miles/hour

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If F: RS R' is a vector field whose component functions have continuous partial derivatives, and curl(F) = 0, then F is a conservative vector field: (Recall that 0 = (0,0.0))_

Answers

The last equation implies that F is a conservative vector field with the scalar potential f(x, y, z).

Suppose that F: RS R' is a vector field, and the component functions of F have continuous partial derivatives.

The curl of F is curl(F) = 0.

Then, F is a conservative vector field. (Recall that 0 = (0,0,0)).

To begin with, let F = (P, Q, R) be a vector field, which is a map from RS to R' defined by the following set of equations, F(x, y, z) = (P(x, y, z), Q(x, y, z), R(x, y, z)).

According to the given statement, the component functions of F have continuous partial derivatives.

Thus, the following equations hold:true
Partials of P exist and are continuous.true
Partials of Q exist and are continuous.true
Partials of R exist and are continuous.

Using the definition of the curl of F,

we have:curl(F) = (Ry - Qz, Px - Rz, Qx - Py)Since curl(F) = 0, it follows that:Ry - Qz = 0Px - Rz = 0Qx - Py = 0

We need to show that F is a conservative vector field. A vector field F is conservative if and only if it is the gradient of a scalar field, say f. In other words, F = grad(f) for some scalar function f.

Let us assume that F is conservative.

Then, we have:

F = grad(f) = (∂f/∂x, ∂f/∂y, ∂f/∂z)

By definition, curl(F) = (Ry - Qz, Px - Rz, Qx - Py).

Therefore, we can write:

Ry - Qz = (∂(Px)/∂z) - (∂(Qx)/∂y)Px - Rz = (∂(Qy)/∂x) - (∂(Py)/∂z)Qx - Py = (∂(Rz)/∂y) - (∂(Ry)/∂x)

Now, we can solve these equations for Px, Py,

and Pz:Pz = ∫(Ry - Qz)dx + g(y, z)Px = ∫(Qx - Py)dy + h(x, z)Py = ∫(Px - Rz)dz + k(x, y)Here, g(y, z), h(x, z), and k(x, y) are arbitrary functions of their respective variables, that is, they depend only on y and z, x and z, and x and y, respectively.

Since the component functions of F have continuous partial derivatives, we can use the theorem of Schwarz to show that Px = (∂f/∂x), Py = (∂f/∂y), and Pz = (∂f/∂z) are all continuous.

This means that g(y, z), h(x, z), and k(x, y) are all differentiable, and we can write:

g(y, z) = ∫(Ry - Qz)dx + C1(y)h(x, z) = ∫(Qx - Py)dy + C2(x)k(x, y) = ∫(Px - Rz)dz + C3(y)

Since we can take the partial derivative of f with respect to x, y, or z in any order, it follows that the mixed partial derivatives of g(y, z), h(x, z), and k(x, y) vanish.

Hence, they are all constant functions. Let C1(y) = C2(x) = C3(z) = C. Then, we have:

f(x, y, z) = ∫P(x, y, z)dx + C = ∫Q(x, y, z)dy + C = ∫R(x, y, z)dz + C

The last equation implies that F is a conservative vector field with the scalar potential f(x, y, z).

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PLEASE HELP!

Estimate 132% of 42

PLEASE HELP! Estimate 132% of 42

Answers

Answer:

55.44 i believe

Step-by-step explanation:

suppose an isoseceles triangle ABC has A= /4 and c=4

Answers

Step-by-step explanation:

kindly finish the question.

a convention manager finds that she has $1320, made up of twenties and fifties. she has a total of 48 bills. how many fifty-dollar bills does the manager have?

Answers

The required manager has 12 fifty-dollar bills as of the given condition.

Let's denote the number of twenty-dollar bills as "x" and the number of fifty-dollar bills as "y".

We know that the convention manager has a total of 48 bills, so:
x + y = 48

We also know that the total amount of money she has is $1320, which can be expressed as:
20x + 50y = 1320

To solve for "y", we can rearrange the first equation to get:
y = 48 - x

Then substitute this expression for "y" in the second equation:

20x + 50(48 - x) = 1320

Expanding the expression and simplifying:
20x + 2400 - 50x = 1320
-30x = -1080
x = 36

So the manager has 36 twenty-dollar bills. To find the number of fifty-dollar bills, we can use the first equation:

x + y = 48

36 + y = 48

y = 12

Therefore, the manager has 12 fifty-dollar bills.

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When a large cake is cut into piece that each weighs 3 ounces, it yields 120 pieces. How many pieces would the cake yield if it were cut into 2- ounce pieces instead

Answers

when the cake is cut into \(2\) ounce pieces instead of \(3\) pieces it yields \(180\) pieces.

How to find large cake pieces ?

Given in the question when cake cuts into piece that each weight is \(3\) ounce it yields \(120\)

So original large cake weight is

\(w=120*3\\\\w=360\)

So we can find cake pieces when cake cuts into weight \(2\) each piece

\(pieces=\frac{360}{2}\\=180\)

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Smith and Frank thought of the same number. They multiplied the number by 5 and then increased the product by 5 for a final result of -80. Of what number were they thinking?

Answers

Answer

-17

Step-by-step explanation:

5 times -17= -85 and then add 5 = -80

What is the height of the cylinder? The figure is not drawn to scale.
V = 282.7 in²
18 in
11.3 in
7.2 in
3.6 in

What is the height of the cylinder? The figure is not drawn to scale.V = 282.7 in18 in11.3 in7.2 in3.6

Answers

The height of the cylinder is \(3 inch\)

How can the  height of the cylinder be found?

Based on the attached figure,

Volume of the cylinder = 282.7 square inches

Radius of the cylinder =5 inches.

The height of the cylinder = ?

The volume of the cylinder  can be found with the formula as :

\(V=pi r^{2} h\)

\(h=\frac{V}{pi r^{2} } \\\\h = \frac{282.7}{3.142 * 5^{2} } \\\\=3 inch\)

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Find the average value of the function f(x) = (x + 2) on the interval [0, 3].

Find the average value of the function f(x) = (x + 2) on the interval [0, 3].

Answers

The average value of the function f(x) = (x + 2) on the interval [0, 3] is 7/2.

Calculate the definite integral of the function over the interval [a, b], then divide it by the interval's length (b - a), in order to determine the average value of a function f(x) over the interval.

Given that the interval is [0, 3] and the function f(x) = (x + 2), we have:

= (1/3) × [1/2 x² + 2x] evaluated from x=0 to x=3

= (1/3) × [(1/2 × 3² + 2×3) - (1/20² + 20)]

= (1/3) × [(9/2 + 6) - 0]

= (1/3) × (21/2)

= 7/2

Therefore, the average value of the function f(x) = (x + 2) on the interval [0, 3] is 7/2.

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8 x 10 inch rectangle.Total area is 168 in^2. Calculate the width of the rectangle. Which of the following quadratic equations would be used when solving this?

A - 2x^2 + 18x = 88
B - 4x^2 + 36x = 88
C - 4x^2 + 18x = 88
D - 2x^2 + 36 = 88

Answers

The answer will be c

A circle is circumscribed around a regular octagon with side lemgths of 10 feet. Another circle is inscribed inside the octagon. Find the area. Of the ring created by the two circles. Round the respective radii of the circles to two decimals before calculating the area

Answers

The area of the ring created by the two circles is approximately 1374.63 square feet.

Let's first find the radius of the circumscribed circle. We can draw a diagonal of the regular octagon, which will be twice the length of one of its sides, forming an isosceles triangle with two radii of the circle.

The angle at the center of the circle between two adjacent sides of the octagon will be 360 degrees divided by 8, or 45 degrees.

The angle at the top of the isosceles triangle will be half of that, or 22.5 degrees. Using trigonometry, we can find the radius of the circumscribed circle:

\($\sin(22.5^\circ) = \frac{opposite}{hypotenuse}$$\sin(22.5^\circ) = \frac{10}{2r}$$r = \frac{10}{2\sin(22.5^\circ)} \approx 21.21$\)

Next, we can find the radius of the inscribed circle. Drawing radii from the center of the octagon to the points where it touches the circle, we can form 8 congruent isosceles triangles, each with a base of length 10 and two equal legs.

The angle at the top of each triangle will be half of the central angle between two adjacent sides of the octagon, or 22.5 degrees. Using trigonometry again, we can find the length of each leg of the triangle:

\($\tan(22.5^\circ) = \frac{opposite}{adjacent}$$\tan(22.5^\circ) = \frac{r'}{5}$$r' = 5\tan(22.5^\circ) \approx 2.93$\)

Now we can calculate the area of the ring created by the two circles:

\($A = \pi R^2 - \pi r'^2$$A = \pi (21.21)^2 - \pi (2.93)^2 \approx 1374.63$ square feetTherefore, the area of the ring created by the two circles is approximately 1374.63 square feet.\\\\\\\\\)

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2. The ticket for an NBA playoff game is $13,000. Suppose
you have $5,000 saved and every week you save another
$800. You use the following equation to calculate how
much money you have after a certain amount of weeks:
f(w) = 5000 + 800w

What does w represent in this equation?

Answers

Answer:

18,500 because youvadd 500

The data set represents the length, in inches, of some crayons.


4342

3222

2434


Click above the number line to create a dot plot for the data set

Answers

Overall, a dot plot is a simple yet effective way to display data and can be helpful in drawing conclusions or identifying patterns.

To create a dot plot for this data set, we would need to label the number line from 2000 to 4500, with each inch marked as a dot. Then, we would plot each data point on the number line with a dot above the corresponding inch mark.
A dot plot is a useful way to visualize data, especially when dealing with small data sets like this one. It allows us to quickly see the range of values and how often each value appears. In this case, we can see that the crayons' lengths range from 2434 to 4342, with most of the crayons falling in the middle of that range. We can also see that there are no repeating values in this data set, indicating that each crayon's length is unique.

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A baseball is thrown into the air from a height of 5 feet. The ball reaches a maximum height of 43.5 feet and spends a total of 3.2 seconds in the air. Which equation models the height of the baseball? Assume that acceleration due to gravity is –16 ft/s2.

Answers

Answer:

Step-by-step explanation:

Since we know that the max height is 43.5 feet, we can use that in the work form of a parabola to solve for the time it was at its max height. This time will serve as the h value in the vertex of the parabola. Then we can rewrite the parabola in terms of time.

The work form of a parabola is

\(y=-|a|(x-h)^2+k\) and believe it or not, we have everything we need to solve for h. We know the k of the vertex (43.5) and we also know that at time 0, before any time at all went by, the object started out at 5 feet. So we have a coordinate to use (0, 5) as x and y. We also know that a = 16. Plugging all that in to the work form:

\(-16(0-h)^2+43.5=5\) and

\(-16(h^2)=-38.5\) and

\(h^2=2.40625\) so

h = 1.551209206 sec

This gives us a vertex of (1.551209206, 43.5).

Now let's plug in and find the rest of the equation.

\(s(t)=-16(t-1.551209206)^2+43.5\) and expanding that binomial:

\(s(t)=-16(t^2-3.102418412t+2.406250001)+43.5\) and distributing the -16 in:

\(s(t)=-16t^2+49.63869459t-38.50000002+43.5\) and combining like terms:

\(s(t)=-16t^2+49.63869459t+4.9999999\)

so if we round to the nearest whole number, the quadratic will be

\(s(t)=-16t^2+50t+5\) which tells us that this object was lauched from an initial height of 5 feet and that it was launched at an upward velocity of 50 feet/sec.

consider the curve given by xy^2-x^3y=6
a) Find all points on the curve whose x-coordinate is 1 and write an equation for the tangent line of each of these points.
b) Find the x-coordinate of each point on the curve where the tangent line is vertical.

Answers

a) The pοints οn the curve with x-cοοrdinate 1 are (1, 3) and (1, -2). The equatiοn οf the tangent line at (1, -2) is y = (3/2)x - 5/2.

b) The x-cοοrdinate οf each pοint οn the curve where the tangent line is vertical is apprοximately ±1.443.

What is a curve in a graph?

A curve is defined as a smοοthly- flοwing cοntinuοus line that has bent. It dοes nοt have any sharp turns. The way tο identify the curve is that the line bends and changes its directiοn at least οnce.

a) Tο find all pοints οn the curve whοse x-cοοrdinate is 1, we substitute x = 1 intο the equatiοn and sοlve fοr y:

1 * y² - 1³ * y = 6

y² - y = 6

y² - y - 6 = 0

Factοring the quadratic equatiοn, we have:

(y - 3)(y + 2) = 0

Setting each factοr equal tο zerο, we find twο pοssible values fοr y:

y - 3 = 0 --> y = 3

y + 2 = 0 --> y = -2

Therefοre, the pοints οn the curve with x-cοοrdinate 1 are (1, 3) and (1, -2).

Tο find the equatiοn οf the tangent line at each οf these pοints, we need tο find the derivative dy/dx and evaluate it at each pοint.

Differentiating the equatiοn οf the curve implicitly with respect tο x, we get:

2xy * dy/dx - 3x² * y - x³ * dy/dx = 0

Rearranging the terms and sοlving fοr dy/dx, we have:

dy/dx * (2xy - x³) = 3x² * y

dy/dx = (3x² * y) / (2xy - x³)

At the pοint (1, 3):

dy/dx = (3 * 1² * 3) / (2 * 1 * 3 - 1³) = 9 / 5

Using the pοint-slοpe fοrm οf a line, we can write the equatiοn οf the tangent line at (1, 3) as:

y - 3 = (9/5)(x - 1)

y = (9/5)x - 6/5

At the pοint (1, -2):

dy/dx = (3 * 1² * -2) / (2 * 1 * -2 - 1³) = -6 / (-4) = 3/2

The equatiοn οf the tangent line at (1, -2) is:

y - (-2) = (3/2)(x - 1)

y = (3/2)x - 5/2

b) Tο find the x-cοοrdinate οf each pοint οn the curve where the tangent line is vertical, we need tο find the x-values where the derivative dy/dx is undefined οr infinite.

Frοm the expressiοn fοr dy/dx derived earlier:

dy/dx = (3x² * y) / (2xy - x³)

The derivative will be undefined οr infinite when the denοminatοr is equal tο zerο:

2xy - x³ = 0

x(2y - x²) = 0

This equatiοn will hοld true when x = 0 οr 2y - x² = 0.

Fοr x = 0, substituting intο the οriginal equatiοn:

0 * y² - 0³ * y = 6

0 - 0 = 6 (which is nοt true)

Therefοre, we can exclude x = 0 as a valid sοlutiοn.

Fοr 2y - x² = 0, we can substitute 2y fοr x² in the οriginal equatiοn:

xy² - (2y)³ * y = 6

xy² - 8y³ = 6

y(xy² - 8y²) = 6

This equatiοn dοes nοt prοvide a straightfοrward sοlutiοn fοr the x-cοοrdinate when the tangent line is vertical. Tο determine the x-cοοrdinate, yοu can either sοlve this equatiοn numerically οr graphically.

Using numerical methοds, we can apprοximate the x-cοοrdinate fοr the vertical tangent line. Substituting different values οf y intο the equatiοn, we find that when y ≈ 1.042, the equatiοn is satisfied. Plugging this value οf y back intο 2y - x² = 0, we can sοlve fοr the cοrrespοnding x-cοοrdinate:

2(1.042) - x² = 0

2.084 - x² = 0

x² = 2.084

x ≈ ±1.443

Therefοre, the x-cοοrdinate οf each pοint οn the curve where the tangent line is vertical is apprοximately ±1.443.

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What is the product of (2 + 3i) and (4 – 3i)?
OA. 8-91
B. 8 - 31
O C. 17 – 182
D. 17 + 6

Answers

Answer:

17 + 6i

Step-by-step explanation:

(2 + 3i)(4 - 3i) ← expand product using FOIL

= 8 - 6I + 12I - 9I² ( note i² = - 1 )

= 8 + 6i - 9(- 1)

= 8 + 6i + 9

= 17 + 6i

a(n) ? is a shorthand method for writing a mathematical rule.
a. Equal sign (=)
b. Equation
c. Formula
d. Math problem

Answers

The correct answer is c. Formula. A formula is a shorthand method for writing a mathematical rule that expresses a relationship between variables and constants. It allows us to express complex mathematical concepts in a concise and easy-to-understand way.

A formula is a shorthand method for writing a mathematical rule. The correct answer is Formula. A formula is a shorthand method for writing a mathematical rule that expresses a relationship between variables and constants. It allows us to express complex mathematical concepts in a concise and easy-to-understand way.A formula is a mathematical rule or relationship that uses letters to represent amounts which can be changed –these are called variables.In mathematics, a formula generally refers to an identity which equates one mathematical expression to another, with the most important ones being mathematical theorems. Syntactically, a formula (often referred to as a well-formed formula) is an entity which is constructed using the symbols and formation rules of a given logical language

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naresh knows how to play 8 songs on the sitar each month he learns how to play 2 new songs

Answers

On solving the question, we can say that the, naresh knows how to play 8 songs on the sitar each month he learns how to play 2 new songs equation will be y = 8x + 2

What is equation?

A mathematical equation is a formula that joins two statements and uses the equal symbol (=) to indicate equality. A mathematical statement that establishes the equality of two mathematical expressions is known as an equation in algebra. For instance, in the equation 3x + 5 = 14, the equal sign places the variables 3x + 5 and 14 apart. The relationship between the two sentences on either side of a letter is described by a mathematical formula. Often, there is only one variable, which also serves as the symbol. for instance, 2x – 4 = 2.

the equation will be

y = 8x + 2

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The correct question is -

The sitar is a popular Indian classical string instrument. Naresh plays this instrument at cultural events that he and his family attend. Naresh knows how to play 8 songs on the sitar. Each month, he learns how to play 2 new songs. Write an equation to model the of songs Naresh knows hot" to play on the sitar, y, as a function of the number of months, x.

Here are two paint mixtures: • 3 cups of white and 4 cups of blue. • 6 cups of white and 8 cups of blue. Both mixtures make the same color because they are in equivalent ratios. Which of these mixtures is also in an equivalent ratio? 5 cups white 6 blue 1 white 1 1/2 blue 4 white 3 blue 1.5 white 2 blue

Answers

Answer:

The mixture that is an equivalent ratio is:

1.5 white 2 blue

Step-by-step explanation:

a) Data and Calculations:

Mixtures of the same color because they are in equivalent ratios:

3 cups of white and 4 cups of blue: equivalent ratio = 0.75: 1 (75%) since 3/4 = 75%

6 cups of white and 8 cups of blue. equivalent ratio = 0.75: 1 (75%) since 6/8 = 75%

Other mixtures:

5 cups white 6 blue: equivalent ratio = 0.83: 1 (83%) since 5/6 = 83%

1 white 1 1/2 blue: equivalent ratio = 0.67: 1 (67%) since 1/1.5 = 67%

4 white 3 blue: equivalent ratio = 1: 75 (1.33%) since 4/3 = 1.33%

1.5 white 2 blue: equivalent ratio = 0.75: 1 (75%) since 1.5/2 = 75%

Therefore, the mixture with equivalent ratio as the initial mixtures is 1.5 while 2 blue.

Egor works overtime for two weeks. He earns $190 in the first week and $224.50 in the second. He pays a 20% tax on each amount how much tax has he paid at the end of the two weeks​

Answers

Answer:

307.6

Step-by-step explanation:

190+224.50= 384.5 - 20% = 307.6

The difference between the record high and low temperaturs in Charlotte, North Carolina, is 109°F. The record low temperature was -5°F. Write and solve an equation to find the record high temperature.

Answers

Answer: 104 degrees farenheit

Step-by-step explanation:    H =  record high temperature. -5 + 109 = H. -5+109 = 109 + (-5) = 109-5 = 104. H = 104.

Answer:

104

Step-by-step explanation:

Let x = record high and y = record low temperature in Charlotte. The difference between the records high and low, x and y, is 109 degrees Fahrenheit, so x - y = 109. Record low is -5, so x - (-5) = 109.

x + 5 = 109

x = 104

Mr. Smith is looking at two different shipping companies to ship some
books. Company A charges a $24 fee plus $10 per pound. Company B
charges a $40 plus $6 per pound. For how many pounds of books would
the two companies charge the same amount of money? *

Answers

Answer:

4 pounds.

Step-by-step explanation:

The equation 24+10x=40+6x would solve it. X being the amount of pounds.

The number of pounds of books would the two companies charge the same amount of money is 4 pounds.

Given that, company A charges a $24 fee plus $10 per pound. Company B

charges $40 plus $6 per pound.

We need to find for how many pounds of books would the two companies charge the same amount of money.

What is an equation?

Equations are mathematical statements containing two algebraic expressions on both sides of an 'equal to (=)' sign. It shows the relationship of equality between the expression written on the left side with the expression written on the right side. In every equation in math, we have, L.H.S = R.H.S (left hand side = right hand side).

Let the number of pounds be x.

Now, company A charges a $24 fee plus $10 per pound=24+10x

Company B charges a $40 plus $6 per pound=40+6x

The two companies charge the same amount of money. Then, 24+10x=40+6x

By solving equation, we get

10x-6x=40-24

⇒4x=16

⇒x=4

Therefore, the number of pounds of books would the two companies charge the same amount of money is 4 pounds.

To learn more about an equation visit:

brainly.com/question/1529522.

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