1. Name the quadrant or axis containing the point (-1, 2)
A
V-axis
B
x-axis
с
quadrant II
D
quadrant III

A measurement that shows the circumference of each of the buttons in centimeters is: D. 37.7 cm.

Mathematically, the area of a circle can be calculated by using this formula:

Area of a circle = πr²

Where:

r represents the radius of a circle.

By substituting the radius into the formula for the area of a circle, we have the following;

Area of a circle = πr²

36π = π × r²

Radius, r = √36

Radius, r = 6 centimeters.

Mathematically, the circumference of a circle can be calculated by using this mathematical expression:

Circumference of a circle = 2πr

Circumference of a circle = 2 × 3.14 × 6

Circumference of a circle = 37.7 cm.

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Complete Question:

Rolando is making buttons that are shaped like circles. Each button has an area of 36π square centimeters. Which measurement shows the circumference of each of the buttons in centimeters?

Answer

A 113.1 cm

B 18.8 cm

C56.5 cm

D 37.7 cm

Answer:

4^30 * 2^30

Step-by-step explanation:

8^31/8 = 8^30

Answer:

b) 8 x - 21

Step-by-step explanation:

Apply the distributive property.

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The probability that the next person will pay with a debit card is:

P =  0.63

We want to find he probability that the next customer will pay with a debit card.

That probability can be estimated as the quotient between the number of customers that paid with debit card and the total number of customers.

We know that:

15 paid in cash.

50 paid with debit card.

15 paid with credit card.

For a total of 15 + 50 + 15 = 80

Then the probability is:

P = 50/80 = 0.63

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An ice cream shop has 10 flavors and one can choose 4 different flavors. The question asks for the total number of possible flavor combinations.Therefore, we need to find the number of ways in which 4 flavors can be chosen from 10 flavors.

In such cases where order does not matter and repetitions are not allowed, we can use the formula for combinations which is as follows:C(n, r) = n! / (r! (n - r)!)Where n is the total number of items, r is the number of items being chosen at a time and ! represents the factorial function.

Using this formula we can find the total number of possible flavor combinations. Substituting the values in the above formula, we get:C(10, 4) = 10! / (4! (10 - 4)!)C(10, 4) = (10 * 9 * 8 * 7) / (4 * 3 * 2 * 1)C(10, 4) = 210Hence, there are 210 possible flavor combinations when one can choose 4 different flavors

.Explanation:The formula to be used for this type of question is combination. Combination is the method of selecting objects from a set, typically without replacement (without putting the same item back into the set) and where order does not matter. The formula for combination is given by C(n,r)=n!/(r!(n-r)!).

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Answer:

6:A 7:A 10:C

Step-by-step explanation:

that's about all I know for sure

If the tire says P235/65R17, the diameter of your wheel will be 17 inches.

The primary purposes of a car's tires are to carry the weight of the car, transmit traction and braking forces to the road surface, insulate against shocks from the road, and change and maintain the direction of motion.

It offers traction for braking and acceleration and reduces the number of road vibrations that reach the car's body.

It should be noted that the numbers that are written on the tire are vital in knowing the diameter that's illustrated.

In this case, when the tire says P235/65R17, the diameter of your wheel will be 17 inches.

In conclusion, it is 17 inches.

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The rate is the angle between the line and the water changing when there are 25 feet of line out is 3 rad/sec

we can form the given  situation  in the form of a right-angle triangle with a constant height of 15 feet(4.572 m)  and a hypotenuse which is the fishing line, shrinking at a rate of 1 f/s = 0.3048 m/s .Here we consider θ to be the angle between the hypotenuse and water and r to be the length of the hypotenuse. we know that: sinθ = 4.572 / r

differentiating both sides with respect to t:

=>cosθ dθ/dt = (-4.572/r2) dr/dt

=>dθ/dt = (1/cosθ)(-4.572/r2) dr/dt

here dr/dt = -  0.3048 m/s, the negative sign is because the length r  is shrinking. So, When the line is 25 feet( 7.62) out, r = 7.62

cosθ = √(1 - sin2θ) = √[1 - (4.572/r)2] = √[1 - (4.572/7.62)2] ≅ 0.8

so the rate of the angle changing  is :

dθ/dt = (1/0.8) [-4.572/(7.62^2)] (-0.3048) rad/sec = 3 rad/sec

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Answer: B

Step-by-step explanation:

Because the curve doesn’t stop in any point so it is -infinity < y < +infinity

Answer:

-∞<y<2

Step-by-step explanation:

The range is the output values

The range is maxed at 2 and goes to negative infinity

-infinity to 2 but does not include 2

-∞<y<2

The polynomial models the height of this ball will be D = (x² - 400) / 19.6 feet.

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

At the same time, Min’s little brother throws a baseball from a height of 4 feet with an initial vertical velocity of 20 feet per second.

Let the final speed be 'x'. Then the equation is given as,

x² - (20)² = 2(9.8) · D

19.6D = x² - 400

D = (x² - 400) / 19.6

The polynomial models the height of this ball will be D = (x² - 400) / 19.6 feet.

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In linear equation, 4.9 kilograms is an average elephant's brain .

What in mathematics is a linear equation?

An algebraic equation with simply a constant and a first-order (linear) term, such as y=mx+b, where m is the slope and b is the y-intercept, is known as a linear equation.

                               The variables in the previous sentence, y and x, are referred to as a "linear equation with two variables" at times.

An average human's brain is 1.5 kilograms.

   =   1.5 + 3 4/10

   = 1.5 + 3.4

    =  4.9

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After 40 minutes both the clocks will chime together

In the above question, it is given that

There are two clocks which chimes at different times  

One clock is chiming in every = 5 minutes

Another clock is chiming in every = 8 minutes

We need to find how many minutes will it be before both clocks chime together

To find the time when both the clock bells chime together, we need to find the lowest common multiple of 5 and 8

5 = 1 x 5

8 = 2 x 2 x 2

LCM of (5 , 8) = 1 x 5 x 2 x 2 x 2  = 40

Therefore, after 40 minutes both the clocks will chime together

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Answer: 6^2-7=29

Step-by-step explanation:

The number of oranges that are expected to weigh more than 4 oz is:

1400 - (1400 × 0.0228)≈ 1368.

The mean weight of the oranges growing in an orchard is 8 oz and standard deviation is 2 oz, the distribution of the weight of oranges can be represented as normal distribution.

From the batch of 1400 oranges, the number of oranges is expected to weigh more than 4 oz can be found using the formula for the Z-score of a given data point.

\(z = (x - μ) / σ\)

Wherez is the Z-score of the given data point x is the data point

μ is the mean weight of the oranges

σ is the standard deviation

Now, let's plug in the given values.

\(z = (4 - 8) / 2= -2\)

The area under the standard normal distribution curve to the left of a Z-score of -2 can be found using the standard normal distribution table. It is 0.0228. This means that 0.0228 of the oranges in the batch are expected to weigh less than 4 oz.

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The parametric equations for the tangent line to the curve at the point (0, 6, 1) are x(t) = 2t, y(t) = 6 + 6t, and z(t) = 1 + 5t.

To find the parametric equations for the tangent line to the curve with the given parametric equations at the specified point (0, 6, 1), we first need to find the derivatives of x, y, and z with respect to t. Given x = 2 ln(t), y = 6t, and z = t^5, we have:

dx/dt = 2/t
dy/dt = 6
dz/dt = 5t⁴

Next, we need to find the value of t that corresponds to the point (0, 6, 1) on the curve. Since x = 2 ln(t) and x = 0, we have:

0 = 2 ln(t)
ln(t) = 0
t = e⁰ = 1

Now, we can find the tangent vector at t = 1:

(dx/dt, dy/dt, dz/dt) = (2, 6, 5)

Finally, we can write the parametric equations for the tangent line as:

x(t) = 0 + 2t
y(t) = 6 + 6t
z(t) = 1 + 5t

So the parametric equations for the tangent line to the curve at the point (0, 6, 1) are x(t) = 2t, y(t) = 6 + 6t, and z(t) = 1 + 5t.

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Answer: try 2

Step-by-step explanation:

Because u could divide then

Re-coding or collapsing variables can help simplify data analysis by reducing the number of variables or categories to consider, making the data more manageable and easier to interpret.

In secondary data analysis, "re-coding" or "collapsing" a variable means transforming an existing variable into a new variable by grouping or combining categories or values of the original variable.

Re-coding involves assigning new values or categories to the existing variable based on certain rules or criteria. For example, if the original variable is "age" and it has values ranging from 1 to 100, re-coding may involve grouping the age values into categories such as "child," "teenager," "adult," and "senior citizen" based on certain age ranges.

Collapsing, on the other hand, involves combining two or more categories or values of the original variable into a single category or value. For example, if the original variable is "education level" and it has categories such as "less than high school," "high school graduate," "some college," and "college graduate," collapsing may involve combining "less than high school" and "high school graduate" into a single category called "less than college."

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In secondary data analysis, "re-coding" or "collapsing" a variable refers to the process of transforming or simplifying the data in order to make it easier to analyze. This can involve changing the way the data is categorized or coded, or combining multiple categories into a single group.

For example, if a survey asked respondents to rate their level of agreement with a statement on a scale from 1 to 5, the data collected would be numerical. However, for analysis purposes, it may be useful to re-code this variable into categorical data by collapsing the values of 1 and 2 into a single "disagree" category, 3 as "neutral" and 4 and 5 into a single "agree" category. This re-coded variable can then be analyzed using categorical statistical techniques.

Re-coding variables can help simplify and clarify data analysis, allowing researchers to focus on specific aspects of the data that are most relevant to their research question.

Here's a step-by-step explanation:

1. Identify the variable in your data set that needs to be re-coded or collapsed.
2. Determine the new categories or values you want to create by combining existing ones.
3. Create a re-coding scheme, specifying how the original categories or values will be transformed into the new ones.
4. Apply the re-coding scheme to your data, ensuring all instances of the variable are updated accordingly.
5. Verify the accuracy of the re-coded variable and proceed with your analysis using the newly transformed variable.

By re-coding or collapsing a variable, you can better analyze and interpret the secondary data to answer your research questions.

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Answer: 45 holes

Step-by-step explanation:

       If the short side is half the length of each longer side, then the longer sides are 18 ft long (9 ft * 2).

       Let us find the perimeter of the triangle:

9 ft + 18 ft + 18 ft = 45 ft

       Now, there is a hole every 1 ft.

45 ft / 1 ft = 45 holes

1.)  Probabilities range from 0 to 1, denoting impossibility and certainty, respectively.

2.) The sum of probabilities of all possible outcomes is equal to 1.

1.) Individual probabilities will always have values between 0 and 1. This property is known as the "probability bound." Probability is a measure of uncertainty or likelihood, and it is represented as a value between 0 and 1, inclusive.

A probability of 0 indicates impossibility or no chance of an event occurring, while a probability of 1 represents certainty or a guaranteed outcome.

Any probability value between 0 and 1 signifies varying degrees of likelihood, with values closer to 0 indicating lower chances and values closer to 1 indicating higher chances. In simple terms, probabilities cannot be negative or greater than 1.

2.) The sum of the probabilities of all individual outcomes must equal 1. This principle is known as the "probability mass" or the "law of total probability." When considering a set of mutually exclusive and exhaustive events, the sum of their individual probabilities must add up to 1.

Mutually exclusive events are events that cannot occur simultaneously, while exhaustive events are events that cover all possible outcomes. This property ensures that the total probability accounts for all possible outcomes and leaves no room for uncertainty or unaccounted possibilities.

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Answer:

SHOWN BELOW!!!!

Step-by-step explanation:

KEEP IN MIND ----> *Square root of a number is a value, which on multiplication by itself gives the original number. The square root is an inverse method of squaring a number.*

Alright so the first equation C^2 - 49 = 0

Step 1 : Add 49 to both sides

C^2 - 49 + 49 = 0 + 49

C^2 = 49

Step 2 : Take the square root

(squ root) C^2 = (squ root)49

C = +/- (squ root) 49

Final answer ---> C = 7 OR C = -7

2.) 4S^2 - 100 = 0

Step 1 : Add 100 to both sides

4S^2 - 100 + 100 = 0 + 100

4S^2 = 100

Step 2 : Divide both sides by 4

4S^2/4    =   100/4

S^2 = 25

Step 3 : Take the square root

(squ root) S^2 = (squ root) 25

S =  +/- (squ root) 25

Final answer ---> S = 5 OR S = -5

3.) 9x^2 = 324

Step 1: Divide both sides by 9.

9x^2/9 = 324/9

x^2 = 36

Step 2: Take the square root

squ root) x^2 = (squ root) 36

x = +/- (squ root) 36

Final answer ---> x = 6 OR x = -6

Answer:

8.9

Step by Step explanation:

20.5/14.7=1.64

12.5/1.64=8.9

The value of the expression is approximately 56.0002.

We have,

To express the results in rectangular form for the given expression, we can expand and simplify using trigonometric identities:

2(cos 16° + sin 16°) x 5(cos 44° + 44°)

Expanding the expression:

= 2 x 5 x (cos 16° x cos 44° + cos 16° x 44° + sin 16° x cos 44° + sin 16° x 44°)

Simplifying using trigonometric identities:

= 10 x (cos(16° + 44°) + 44° x cos 16° + sin(16° + 44°) + 44° x sin 16°)

= 10 x (cos 60° + 44° * cos 16° + sin 60° + 44° x sin 16°)

= 10 x (0.5 + 44° x cos 16° + √3/2 + 44°x* sin 16°)

Now, we can calculate the numerical value by substituting the angle values:

= 10 x (0.5 + 44° x cos 16° + √3/2 + 44° x sin 16°)

And,

cos 16° ≈ 0.9613

sin 16° ≈ 0.2756

cos 44° ≈ 0.7193

sin 44° ≈ 0.6947

Substituting these values into the expression:

2(0.9613 + 0.2756) x 5(0.7193 + 44°)

= 2(1.2369) x 5(0.7193 + 44°)

= 2.4738 x 5(0.7193 + 44°)

= 2.4738 x 5(0.7193 + 3.8291)

= 2.4738 x 5(4.5484)

= 2.4738 x 22.742

≈ 56.0002

Therefore,

The value of the expression is approximately 56.0002.

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Answer:

D. 10 and 11

Step-by-step explanation:

This problem would use pythagorean theorem because we're finding the hypotenuse of a right triangle. This is its standard equation:

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

The legs represent \(a\) and \(b\) respectively, and \(c\) represents the hypotenuse. After plugging in the legs' respective values, the equation looks like this:

\(6^{2} + {9}^{2} = {c}^{2} →36 + 81 = {c}^{2} →117 = c^{2} \)

To isolate \(c\), you would find the square root of \(117\). In this case, we're just finding which integers\( \sqrt{117} \) is between. \(\sqrt{100}(=10)\) is the closest integer value below \(\sqrt{117}\) and \(\sqrt{121}(=11)\) is the closest integer value above \(\sqrt{117}\). So the answer is D. 10 and 11.

-2

Its this number because its the number right outside of the ()

Answer:

-2

Step-by-step explanation:

Step 1: Write expression

3 - 2(x + 1) + 5x - 4

We see here that we have parenthesis around (x + 1) and a number in front of it. If we were to expand this:

3 - 2x - 2 + 5x - 4

We would see that we would distribute a negative 2.

Answer:

Many of them. For example: They do not grow in those 6 months. If you are asking about the weight, it could various different answers.

\(36 cm^3\) of pure alcoh ol must be added to the \(10 cm^3\) of the 8% solution to obtain \(10 + 36 = 46 cm^3\) of an 80% solution.

What is Algebraic expression ?

Algebraic expression can be defined as combination οf variables and constants

Let's first calculate the amount  of pure alcohol in the 8% solution:

Amount of pure alcohol = 8%  of \(10 cm^3 = 0.08 x 10 cm^3 = 0.8 cm^3\)

N ow, let's  assume \(x cm^3\)of pure alcohol must be added to the 10 cm^3 of the 8% solution to obtain a total volume of \(10 + x cm^3\) of an 80% solution. The amount of pure alcohol in the final solution would be:

ο\((10 + x) cm^3 = 0.8 (10 + x) cm^3\)

Since we started with \(0.8 cm^3\)of pure alcohol and we want to end up with  

\(0.8 (10 + x) cm^3\), we can set up the following equation:

\(0.8 + x = 0.8 (10 + x)\)ο

Simplifying and solving for x, we get:

\(0.8 + x = 8 + 0.8x\)

\(0.2x = 7.2\)

\(x = 36\)

Therefore, \(36 cm^3\) of pure alcohol must be added to the \(10 cm^3\)of the 8% solution to obtain \(10 + 36 = 46 cm^3\) of an 80% solution.

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Answer:

36cm^3

Step-by-step explanation:

Answer:

The dilation will create a similar rectangle with sides of half the length of the original rectangle

Answer:

Its B for the people who dont know what the other guy was talking about

Step-by-step explanation: