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nadezda [96]
2 years ago
15

Write and solve an equation to answer question 28 is 35% of what number

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
3 0

Answer:

80

Step-by-step explanation:

i did this question im positive.

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What is the volume of the extra large tube
Fantom [35]

If by base of 10, you mean that the diameter of the base is 10, then the radius of the base is 5.

volume = pi * r^2 * h

volume = pi * 5^2 * 10

volume = 250pi, or approximately 785

6 0
3 years ago
A random sample of 50 bottles is selected from the production line of a large manufacturing company. The mean weight of the cont
saveliy_v [14]

Answer:

The population is all bottles in the production line and the sample is the 50 bottles that were selected.

Step-by-step explanation:

Edge 2020

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7 0
3 years ago
13) What are the solutions to y2 = 81?
N76 [4]

Step-by-step explanation:

y²=81

y²=9²

:. bases same powers equal,

y=9.

hope this helps you.

6 0
2 years ago
Read 2 more answers
Solve for x <br><br> can someone please help me
Fed [463]

Answer:

10

Step-by-step explanation:

The answer is because:

a^2 + b^2 = c^2

8^2 + 6^2 = x^2

64 + 36 = x^2

100 = x^2

√100 = √x^2

10 = x

4 0
3 years ago
The variable Z is inversely proportional to X. When X is 3, Z has the value 6.3333333333333. What is the value of Z when X = 8 R
sveta [45]
Inverse variation is of the form y=k/x or if you prefer yx=k.

z=6.3 bar  I assume you mean 6.33333333 forever

10z-z=63.3333...-6.3333

9z=57

z=57/9  (exact)

Now back to the problem...

xz=k, we are told x=3 and we have shown z=57/9 so we can solve for k, the constant of variation

k=3(57/9)=19

So our equation is:

xz=19, now we wish to know what z is when x=8 so

8z=19  divide both sides by 8

z=19/8  

z=2.375  (exact, no rounding necessary)
8 0
4 years ago
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