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Verizon [17]
3 years ago
12

The ordered pair below is from an inverse variation. Find the constant of variation. (7,8)

Mathematics
1 answer:
Marysya12 [62]3 years ago
4 0
Inverse variation:  y = k/x.  Here x=7 and y=8.  Thus,

y = k/x becomes 8 = k/7, or k=56.  The const. of var. is 56.
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If you answer God will bless you:
VashaNatasha [74]

Answer:

600 m³

Step-by-step explanation:

Given:

  • length of swimming pool = 30 m
  • width of swimming pool = 10 m
  • depth at deep end = 3 m
  • depth at shallow end = 1 m

To find the volume of the water in the pool, find the area of a cross section (see attached image) and multiply it by the width of the pool.

<u>Area of cross section</u>

= area of rectangle - area of triangle

= (3 × 30) - [1/2 × 30 × (3 - 1)]

= 90 - 30

= 60 m²

<u>Volume of pool</u>

= area of cross section × width

= 60 × 10

= 600 m³

6 0
2 years ago
A youth group earns $600 for charity and decides to put it in a bank. Calculate the amount of money the group will have for each
igomit [66]

Based on the types of compounding and the interest rates, the following are true:

  • Part A - The group will have $750
  • Part B - The group will have $759.19

When using simple interest, the amount the group will have is:

<em>= Amount x ( 1 + rate x number of years )</em>

= 600 x ( 1 + 5% x 5)

= $750

When using compound interest, the group will have:

<em>= Amount x ( 1 + rate) ^ Number of years</em>

= 600 x ( 1 + 4%)⁶

= $759.19

In conclusion, compound interest yields more.

<em>Find out more about </em><em>compound interest </em><em>at brainly.com/question/25263325. </em>

4 0
2 years ago
Find the slope of the line containing the points (6,4) and (6,8)
kramer

Answer:

Undefined.

Step-by-step explanation:

Note that the x-coordinate does not change.  This indicates that the two points lie on a vertical line.  The slope of a vertical line is undefined.


6 0
3 years ago
Read 2 more answers
A student expressed a sum of two whole numbers as 5x(8+3). What were the two whole numbers?
Semmy [17]
I believe 5x(8+3) is equal to 40x + 15x meaning those two numbers are the whole numbers you are looking for.
5 0
2 years ago
What’s the answer to this problem?
harkovskaia [24]

Answer:

6 = f(4) \\  \\ 0 = f(-2)

Step-by-step explanation:

Think of <em>f</em>(<em>x</em>). Those numbers in parentheses next to the <em>f</em><em> </em>are x-coordinates, all you have to do is look in the chart and see what y-coordinate they gave you with respect to the given x-coordinates.

I am joyous to assist you anytime.

4 0
3 years ago
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