MATHEMATICS HIGH SCHOOL

A=v^2/r Solve the formula for r

Answers

Answer 1
Answer:

Answer:

\Large \boxed{r =(v^2 )/(a)}

Step-by-step explanation:

\displaystyle a=(v^2 )/(r)

We need to rearrange and solve the formula for r.

Multiply both sides of the equation by r.

\displaystyle a * r=(v^2 )/(r) * r

Simplify the equation.

ar=v^2

Divide both sides of the equation by a.

\displaystyle (ar)/(a) =(v^2 )/(a)

Simplify the equation.

\displaystyle r =(v^2 )/(a)
Answer 2
Answer: What formula is you using r or what do you have to show work ?

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A certain alloy contains 5.25% copper. How much copper is there in a piece weighing 200 pounds?

Answers

There are 10.5 pounds of copper in a piece weighing 200 pounds.

We have,

The concept used to calculate the amount of copper in a piece weighing 200 pounds is the concept of percentage.

Now,

5.25 pounds of copper is to 100 pounds of alloy as x pounds of copper is to 200 pounds of alloy.

To determine the amount of copper in a piece weighing 200 pounds, we need to calculate 5.25% of 200 pounds.

To do this, we multiply 5.25% (or 0.0525) by 200:

0.0525 * 200 = 10.5

Therefore,

There are 10.5 pounds of copper in a piece weighing 200 pounds.

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The 200-pound piece of alloy contains 10 and a 1/2 pounds of copper.

you are cutting as many 3 1/2 inch sections as you can out of wooden board if the board is 75 inches in length how many skateboards can you make?

Answers

If you divide 75/3 1/2 it will give you 21 so your answer will be 21 skateboards

A comic-strip writer churns out a different number of comic strips each day. For 16 days, the writer logged the number of comic strips written each day (sorted low to high): {1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 5, 5, 6, 7}. If the writer writes for one more day and comes up with 8 new comic strips, how will the skew be affected?A) The distribution will be skewed to the negative side.

B) The distribution will be skewed to the positive side.

C) The distribution will have the same mean and median.

D) The distribution will have a mean lower than the median.

Answers

The distribution will be skewed to the positive side, the correct option is B.

What is mean?

Mean is the average of the data set obtained by summing all the values of the data set and then dividing it by the number of data in the set.

The data of the comic strips written is

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Mean = 54/16

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The distribution will be skewed to the positive side because the mean is greater than the median.
Mean: 3.7
Median: 3

Answer: B

At Pizza Hut they have exponential pizza, which is a 24-inch cheese pizza that costs $17.50. Each topping for the pizza costs $2.35. If Cardona ordered the exponential pizza and was charged $29.25, how many toppings were on his pizza? Write an equation and solve it.

Answers

So you would want to find what would add up to $29.25
So for the toppings ($2.35×5) equals $12.75
Now just add $17.50
SO your equation is:
(2.35×5)+17.50=29.25

Are all spheres similar?

Answers

yes is the correct answer
all are similar 
If they are all true spheres then yes

How is the interquartile range calculated?A. Find the difference between the values for quartile 3 and quartile 1.
B. Find the difference between the values for the maximum and minimum.
C. Find the difference between the values for quartile 2 and quartile 1.
D. Find the difference between the values for the maximum and median.

Answers

It is the difference between the third and the first quartile

Answer:

find the difference between the values for quartile 3 and quartile 1

Step-by-step explanation:

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