MATHEMATICS HIGH SCHOOL

You want to install a 1 yd wide walk around a circular swimming pool. The diameter of the pool is 23 yd. What is the area of the​ walk? Use 3.14 for π.

Answers

Answer 1
Answer:

Answer:

415.48

Step-by-step explanation:

is the area

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The area of the trapezoid is 108 in2.

What is the height of the trapezoid?

Answers

The area of the trapezoid is given by the formula A= (a+b)/ 2 * h

in this question a= 8, b= 10, A= 108 inches², and h is what we have to find, substitute what we have got into the formula and you will have:

108= (8+10) /2 *h

108= 9 *h

h= 108/9

h= 12 inches
area for a trapezoid is A= a+b/2 times h  (a and b are the bases which are 8 and 10 

so 108=8+10/2 x h 8+10 divided by 2 equals 9 so now we have 108=9 x h

now we must divide both sides by 9 to solve for the height 108/9 equals 12 so the height of the trapezoid is 12

Square RSTU dilates by a factor of 1/2 with respect to the origin. If R'S' is 2 units, how many units does RS have?0.5 units

2 units

1 unit

4 units

6 units

Answers

If square RSTU dilates by a factor of 1/2 with respect to the origin, than:
R`S` = 1/2 · RS
2 = 1/2 RS
RS = 2 · 2 = 4
Answer: D ) 4 units.

Answer: 4 units

Step-by-step explanation:

Johnny B's rectangular garden is 5 feet long and 10 feet wide. He wants to make the area of his garden 6 times as large by increasing the length and width by the same amount. Find the number of feet by which each dimension must be increased.

Answers

Answer:

The length is 15 and the width is 20

Step-by-step explanation: 10 times 5 is 50 and 6 times is 300 which is the area you are looking for. 15 times 20 is 300 and you add 5 to each numbers so it works.

What is negative five plus ten?

Answers

Answer:

Step-by-step explanation:

Answer:

it's obviously 5

-5+10 = 5

Christiana works at Texas Road House and makes $50 each night in tips plus $7.50 per hour. Write a function rule in function notation where M is the total money she makes and h is the number of hours she works in one night.

Answers

Answer: M = 50 + 7.50 h

Step-by-step explanation:

As per the given scenario,

Total money Christina made = (Money she made in tips) + (Per hour wage ) x (Number of hours she work in one night)   (i)

Let M is the total money she makes and h is the number of hours she works in one night.

Here, Money she made in tips = $ 50

Per hour wage = $7.50

So substitute all the values in (i), we get

M = 50 + 7.50 h

Hence, the required function is M = 50 + 7.50 h.

Please help me!! f(x)= \left[\begin{array}{ccc}x^2,&x\leq &1\n2x+1,&x\ \textgreater \ &1\end{array}\right]

A.) Evaluate f(0)

Thanks fam

Answers

The piece wise function is written that if X is ≤1 use the top equation and if x is > 1 use the bottom equation.

f(0) means that X is = 0, so you would use the top equation:

x^2

Replace x with 0 to get 0^2 which is 0 x 0 = 0

F(0) = 0
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