For one photography session, Dexter earns no less than $50, but no more than $100. Which inequality can be used to represent his earnings, e?

Data collected from several entities over a period of time (minutes, hours, days, etc.) are called time series data.

Time series data is a type of data that is collected over a period of time, with measurements taken at regular intervals. The data is often used to track changes in a particular variable over time and to analyze patterns or trends in the data.

Examples of time series data include stock prices, temperature readings, and daily sales figures. Time series data can be used to make forecasts or predictions about future trends based on past data, and it is often analyzed using statistical methods such as trend analysis, seasonality analysis, and autocorrelation analysis.

Time series data can be represented graphically using a line chart or a scatterplot, with time on the x-axis and the variable of interest on the y-axis. Time series data can be univariate, meaning that there is only one variable being measured, or multivariate, meaning that there are multiple variables being measured at the same time.

Statistical methods are a set of techniques and procedures used to analyze and interpret data in order to draw meaningful conclusions from it. These methods involve the collection, analysis, and interpretation of data in order to identify patterns, trends, and relationships between variables.

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Step 01:

Data

total math problems = 60

problems solved = 1/4

problems

Step 02:

Answer:

Step-by-step explanation:

One of the Answers is C

Using Standard deviation, approximately, 95% of the area under the normal curve falls between 2 standard deviations.

The area under a normal curve represents the total probability of an event occurring for a normally distributed random variable.

A normal distribution is a bell-shaped curve that describes a continuous probability distribution of a variable, where most values cluster around the mean, and the curve tapers off symmetrically on both sides.

The total area under the normal curve is equal to 1 or 100%, which means that the probability of all possible outcomes adds up to 1 or 100%.

The Empirical Rule states that:

Hence,

Approximately, 95% of the area under the normal curve falls between 2 standard deviations.

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Answer:

The answer is 11.8 m

Step-by-step explanation:

Hey Mate,

the volume of a cuboid is = whl....so the volume of it is the capacity of the tank

so 3 x 1.8 x 2.2 = 11.88 m is the answer

Answer:

False. The two figures are not similar.

Step-by-step explanation:

For two polygons to be similar, the ratios of pairs of corresponding sides must all be equal.

MQ/GH = 1, PQ/EH = 2, so MQ/GH does not equal PQ/EH. So these two figures are not similar.

15 gallons of 30% butterfat cream must be mixed with milk.

How to solve word problems?

It's actually fairly easy to solve word problems using a tried-and-true step-by-step approach.

If m is the gallons of 30% butterfat cream, and c is the gallons of 3% butterfat milk, then:

Let m be the milk and c be the cream:

m + c = 45 ⇒ (i)

0.03m + 0.3c = 0.12 * 45 ⇒ (ii)

Solve the system of equations with substitution or elimination.  Using substitution:

0.30 m + 0.03 (45 − c) = 0.12 * 45

0.30 m + 1.35 − 0.03 c = 5.4

0.27 m = 4.05

m = 15

Hence, 15 gallons of 30% butterfat cream must be mixed with milk.

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Answer:

B. 1/2

Step-by-step explanation:

y = ax^2 + bx + c

14 = a(0)^2 + b(0) + c

c = 14

10.5 = a(1)^2 + b(1) + 14

10.5 = a + b + 14 ____(i)

8 = a(2)^2 + b(2) + 14

8 = 4a + 2b + 14

4 = 2a + b + 7 ___ (ii)

i - ii

10.5 - 4 = -a + 7

6.5 = -a + 7

a = 7- 6.5

a = 0.5

Value of a in the quadratic function is 0.5

In algebra, a quadratic function, a quadratic polynomial, a polynomial of degree 2, or simply a quadratic, is a polynomial function with one or more variables in which the highest-degree term is of the second degree

Given,

Quadratic function

y = \(ax^{2}+bx+c\)

Consider values in the table x= 0 and  y =14

\(14=a(0)^{2}+b(0)+c\\ c=14\)

Consider x=1 and y = 10.5

\(10.5=a(1^{2})+b(1)+c\\ a+b=10.5-14\\a+b=-3.5\)

Consider x=2 and y =8

\(8=a(2^{2})+b(2)+c\\ a\\8=4a+2b+14\\4a+2b=-6\\2a+b=-3\)

Subtract a + b= -3.5 from 2a + b= -3

a=-3--3.5=0.5

Hence, the Value of a in the quadratic function is 0.5

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The value of x from the triangle inscribed in the circle which is the unknown angle is 22°

For a given triangle inscribed in a circle, it should be noted that the angle that is inscribed along the diameter of the circle will be regarded as the right angle.

This means that the angle facing the diameter line (C), i.e angle c is 90 degrees. We all know that the sum of angles in a triangle is 180 degrees. Therefore, to find the third unknown angle x, we have:

x  + 68° + 90° = 180°

x + 158° = 180°

x = 180° - 158°

x = 22°

Therefore, we can conclude that the value of x which is the unknown angle is 22°

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Answer:

Below

Step-by-step explanation:

It's 66

To find a percentage of a number just multiply it by 0.whatever the percentage if that makes sense...

In this case you would do 55 x 1.2 = 66

Hope this helps!

\(\huge\text{Hey there!}\)

\(\huge\boxed{\mathsf{120\% \ of\ 55}}\\\huge\boxed{= \dfrac{120}{100}\times55}\\\huge\boxed{= \dfrac{6}{5}\times\dfrac{55}{\bf 1}}\\\huge\boxed{= \dfrac{6\times55}{5\times 1}}\\\\\\\huge\boxed{6\times55=\bf 330}\\\boxed{5\times1=\bf 5}\\\\\\\huge\boxed{= \dfrac{330\div5}{5\div5}}\\\huge\boxed{=\dfrac{66}{1}}\\\huge\boxed{= \bf 66}\)

\(\huge\boxed{\textsf{Therefore, your ANSWER is: 66}}\huge\checkmark\)

\(\huge\text{Good luck on your assignment \& enjoy your day!}\)

~\(\huge\boxed{\frak{Amphitrite1040:)}}\)

Answer:

"The expression will always equal m" is true about the quotient of \(\frac{m}{n}\) ÷ \(\frac{1}{n}\)

Step-by-step explanation:

Let us solve the question

∵ The expression is \(\frac{m}{n}\) ÷ \(\frac{1}{n}\)

→ In the division of fractions, we change the division to multiplication

   and reciprocal the fraction after the division sign

∵ The reciprocal of  \(\frac{1}{n}\) is \(\frac{n}{1}\)

∴  \(\frac{m}{n}\) ÷ \(\frac{1}{n}\) =  \(\frac{m}{n}\) × \(\frac{n}{1}\)

→ In the multiplication of fractions, we can simplify the terms in

    the numerators by the terms in the denominators

∵ There is n in the numerator and denominator

∴ Cancel n up and down

∴  \(\frac{m}{n}\) × \(\frac{n}{1}\) = \(\frac{m}{1}\)

∴  \(\frac{m}{n}\) × \(\frac{n}{1}\) = m

∴  \(\frac{m}{n}\) ÷ \(\frac{1}{n}\) = m

∴ The quotient is m

∴ The expression will always equal m

The correct option: b. Reaction times were the longest when people had to read words presented in colored ink.

A seemingly unimportant phenomena called the Stroop effect explains a great deal about how the brain functions.

Thus, the stroop experiment's findings most accurately represent when respondents used to have to read words given in colorful ink, reaction times tended to be the longest.

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The complete question is-

This following question refers to the outcome of the actual experiment (described on the conclusions slides), not the data generated from your performance in particular (which may or may not have matched the real experimental results).

a. Reaction times were the longest when people had to read words presented in black ink.

b. Reaction times were the longest when people had to read words presented in colored ink.

c. Reaction times were the longest when people had to name the color of colored chips/shapes.

d. Reaction times were the longest when people had to name the color of words presented in colored ink.

Albert charges a price of $5 for shoe repairs and serves a quantity of 5 repairs. At this equilibrium point, Albert covers his costs and achieves zero economic profit, which is typical in a perfectly competitive market.

In a perfectly competitive market, price is determined by the intersection of demand and supply. The demand equation is given as Q = 20 - 2P, where Q represents the quantity of shoe repairs and P represents the price. In this case, we assume that the market is in equilibrium, meaning that the quantity demanded is equal to the quantity supplied.

To find the equilibrium price, we set the demand equation equal to the quantity supplied, which is determined by Albert's costs. Since Albert's cost per repair is $5, the quantity supplied will be equal to the total revenue divided by the cost per repair. The total revenue is calculated by multiplying the price (P) by the quantity (Q).

Setting the demand equal to the quantity supplied:

20 - 2P = (P * Q) / 5

Since Albert faces no fixed costs, we can assume that his profit is zero. Therefore, the price and quantity at equilibrium will satisfy this equation. By solving this equation, we find that P = $5 and Q = 5.

Albert charges a price of $5 for shoe repairs and serves a quantity of 5 repairs. At this equilibrium point, Albert covers his costs and achieves zero economic profit, which is typical in a perfectly competitive market

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If the sum of the height and the perimeter of the square base is 14 in, the maximum possible volume is 54 in³.

Let x represent the square box's rectangular base's side length.

Suppose h is the height.

Volume V should be used.

Considering that the square base's height plus perimeter equals 14 inches.

h + 4x = 18

Subtract 4x on both side, we get

h = 18 - 4x..........(1)

The volume is given as:

V = Area × Height

V = x² × h

Substitute the value of h

V = x² × (18 - 4x)

V = 18x² - 4x³..........(2)

Differentiate the equation 2 with respect to x

dV/dx = 36x - 12x²..........(3)

For the critical numbers,

dV/dx = 0

So, 36x - 12x² = 0

x(36 - 12x) = 0

x(-12x + 36) = 0

Equating equal to 0

x = 0                      -12x + 36 = 0

x = 0                      -12x = -36

x = 0                       x = 3

Differentiate the equation 3 with respect to x

d²V/dx² = 36 - 24x

At x = 3 the value of d²V/dx² is

d²V/dx²  = 36 - 24 × 3

d²V/dx² = 36 - 72

d²V/dx² = -36 < 0

x = 3 corresponds to the maximum of the volume V according to the second derivative test.

Now from the equation 1;

\(V_{\text{max}}\) = 18(3)² - 4(3)³

\(V_{\text{max}}\) = 18(9) - 4(27)

\(V_{\text{max}}\) = 162 - 108

\(V_{\text{max}}\) = 54 in³

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The answer to this question is C) 0.8. This can be determined using the Pythagorean Theorem.

What is Pythagorean theorem?

The Pythagorean Theorem is one of the most important theorems in mathematics, and it has been used for centuries to solve various mathematical problems. It is a fundamental tool for measuring distances and calculating angles in Euclidean geometry.

The theorem can be expressed as an equation, a^2 + b^2 = c^2, where a and b are the lengths of the sides of the triangle, and c is the length of the hypotenuse. This equation can be used to calculate the lengths of the sides of a right-angled triangle if two of the sides are known.

The theorem states that the sum of the squares of the lengths of the two legs of the triangle is equal to the square of the length of the hypotenuse. In this case, the legs of the triangle are AB and BC, each of which is 10 units long. Therefore, the formula for this triangle is 10² + 10² = 12², or 100 + 100 = 144. Solving this equation shows that the length of the hypotenuse, AC, is equal to 12 units, which is a ratio of 0.8 compared to the lengths of the two legs. Therefore, the correct answer is C) 0.8.

The value of sin can then be determined using the sine formula, which states that the ratio of the length of the side opposite the angle to the length of the hypotenuse is equal to the sine of the angle. In this case, the side opposite the angle is AB, which is 10 units long. The hypotenuse is AC, which is 12 units long. Therefore, the sine of the angle is equal to 10/12, or 0.8. Therefore, the value of sin is 0.8.

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To find the polar coordinates (r, θ) of a point given in Cartesian coordinates (x, y), we use the following formulas:

r = √\((x^2 + y^2)\)

θ = arctan(y / x)

Let's apply these formulas to the given point (4, 4√3):

(i) For r > 0 and 0 ≤ θ < 2π:

Using the formulas, we have:

r = √\((4^2 + (4\sqrt3)^2)\) = √(16 + 48) = √64 = 8

θ = arctan((4√3) / 4) = arctan(√3) = π/3

Therefore, the polar coordinates (r, θ) of the point (4, 4√3) are (8, π/3).

(ii) For r < 0 and 0 ≤ θ < 2π:

Since r cannot be negative in polar coordinates, there are no polar coordinates for this point when r is negative.

Hence, the polar coordinates (r, θ) of the point (4, 4√3) are (8, π/3) for r > 0 and 0 ≤ θ < 2π.

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Answer:

I think positive

Step-by-step explanation:

Answer:

zero, D

Step-by-step explanation:

a horizontal line (left to right) would be zero

a verticle line (up and down) would be undifined

Answer:

19

Step-by-step explanation:

9,500 divided by 500 is 19

To find the vertical asymptote, take the limit of the function as x approaches infinity or negative infinity. To find the horizontal asymptote, take the limit of the function as x approaches the endpoints of the domain.

To find the vertical asymptote of a function, take the limit of the function as x approaches either infinity or negative infinity. This will give the value at which the output of the function approaches infinity or negative infinity, respectively. To find the horizontal asymptote, take the limit of the function as x approaches the endpoints of the domain. If the limit of the function as x approaches the endpoint is finite, then the horizontal asymptote is the value of the limit. If the limit of the function as x approaches the endpoint is infinite, then the horizontal asymptote is undefined. If the limit of the function as x approaches the endpoint is undefined, then the horizontal asymptote is undefined.

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Answer:

13 is answer

Step-by-step explanation:

hope it helps

Answer:

m=4

Step-by-step explanation:

look at the traingle formed with line with points (6,5) and (4, -3)

look at change in y (how tall the triangle is) and change in x (the base of triangle)

change in y=8

change in x=2

m=rise/run also known as change in y/change in x

=8/2

=4

note that this is a positive gradeint line

The correct answer is:  "  2.3  *  10⁵  " .

_________

Step-by-step explanation:

Given:   " 23 * 2⁴ * 5⁴ " ;  write in scientific notation.

_________

First:  We shall solve the problem.  

Second: We shall write the solution in "scientific notation".

_________

  " 2⁴ = 2 * 2 * 2 * 2 ;

         = (2 * 2) * 2 * 2 ;

         =   4 * 2 * 2 ;

         = (4 * 2) * 2 ;

         =   8 * 2 ;

         =  16 . "

_________

  " 5⁴ = 5 * 5 * 5 * 5 ;

         = (5 * 5) * 5 * 5 ;

         =   25 * 5 * 5 ;

         = (25 * 5) * 5 ;

         =   125 * 5 ;

         =   625. "

_________

 23 * 2⁴ * 5⁴  ;

         =  23 * 16 * 625 ;

         =  230000 ;

_________

Now, we shall write this answer in scientific notation:

  This is a whole number.  

 So we take the first digit, add a decimal point, and include the all the numbers after that are not "all, trailing zeros":

  and then write:  

  "  * 10^(enter number of digits following that decimal point) " ;

_________

So:  " 230000 " =  2.3 * 10⁵ " .

_________

The correct answer is:  " 2.3 * 10⁵ " .

_________

Hope this is helpful to you!

 Best wishes!

_________

1) Todo número entero multiplicado por un múltiplo de 10 hereda los ceros de aquel múltiplo.

2) Si el número es decimal, entonces la coma es desplazada una cantidad de posiciones a la derecha equivalente a esos ceros heredados.

3) 100 kilogramos de frijol cuestan $ 2050.

1) Los casos a realizar sin necesidad de calculadora están correctamente desarrollados, puesto que observan la regla mnemotécnica de que todo número entero multiplicado por un múltiplo de 10 hereda los ceros de aquel múltiplo.

2) De manera semejante a 1), los casos a realizar sin necesidad de calculadora están correctamente desarrollados. Si el número es decimal, entonces la coma es desplazada una cantidad de posiciones a la derecha equivalente a esos ceros heredados.

3) La cantidad total (\(C\)), en pesos, por 100 kilogramos de frijol es igual al precio unitario (\(c\)), en pesos por kilogramo, por la masa comprada (\(m\)), en kilogramos, es decir:

\(C = m\cdot c\) (1)

\(C = 100\,kg\times 20.50\,\frac{\$}{kg}\)

\(C = \$ \,2050\)

100 kilogramos de frijol cuestan $ 2050.

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Answer:

Step-by-step explanation:

x

+

2

y

=

6

Subtract  

x

from both sides of the equation.

2

y

=

6

−

x

Divide each term by  

2

and simplify.

Tap for more steps...

y

=

3

−

x

2

Answer:

x=2y-6

Step-by-step explanation:

To solve for x, we need to have one more equation, as there are two variables; x and y. But, we can still get it to this point.

First, we need to get x on to one side.

x=-2y-6

That is all we can do from here.

If you provide another corresponding equation, we can solve for x.

Hope this provides some guidance!!

~gloriouspurpose~

88.89 m³ of water will fill the Larger swimming pool.

The volume of a rectangular prism is given by V = lwh, where l is the length, w is the width, and h is the height. In this case, we have a pool that is in the shape of a rectangular prism and is filled with 15 m³ of water. Let's call the length of this pool "L", the width "W", and the height "H".

Then, we can write the equation:

V = LWHNow, we are told that there is a similar pool that has dimensions that are increased by a scale factor of 4/3. This means that the new length of the pool is (4/3)L, the new width is (4/3)W, and the new height is (4/3)H. We want to find out what volume of water will fill the larger swimming pool.

Let's call the volume of the larger swimming pool V', then we can write: V' = (4/3)L(4/3)W(4/3)H = (64/27)LWH

So, we can see that the volume of the larger swimming pool is (64/27) times the volume of the original swimming pool. To find out how much water will fill the larger swimming pool,

we need to multiply the volume of the larger swimming pool by the density of water. The density of water is approximately 1000 kg/m³ or 1 g/cm³, so we can use either of these values to convert the volume from cubic meters to kilograms or cubic centimeters to grams.

For simplicity, we will use the density of water in kg/m³. The volume of larger swimming pool = (64/27)LWH Volume of water needed to fill a larger swimming pool = (64/27)LWH × 1000 kg/m³= (64000/27)LWH kg= (2400/27) m³ = 88.89 m³

Therefore, 88.89 m³ of water will fill the larger swimming pool.

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Answer:

x=4/3

Step-by-step explanation:

transpose 3 to the lhs

hope this helps

plzz mark me brainliest

Answer:

1994 34.3 ese es la respuesta

The number √3 has a result less than 2 and greater than 1. We know this because the square of 2 is 4, that is √4 = 2 and √2 is less than 2 itself.

Hence, the number √3 lies between √2 and √4.

More precisely, it lies between 1 and 2 (the result of √3 is 1.732)

√

The probability that all four switches work is 0.0033 or approximately 0.33%.

Given that each switch has a probability of .24 of working, we can use the following steps:

1. Understand that the probability of all four switches working is the product of their individual probabilities, since they work independently.
2. Multiply the probabilities: .24 (switch 1) × .24 (switch 2) × .24 (switch 3) × .24 (switch 4).

The probability that each switch works is 0.24. Since the switches work independently, we can multiply the probabilities to find the probability that all four switches work:

P(all four switches work) = 0.24 x 0.24 x 0.24 x 0.24

P(all four switches work) = 0.00327648

Rounding to four significant figures, we get:

P(all four switches work) ≈ 0.0033

Your answer: The probability that all four switches work is .24 × .24 × .24 × .24 = 0.0033.

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