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9966 [12]
3 years ago
7

Can somebody help correct and also help with answers please and thank you

Mathematics
1 answer:
babymother [125]3 years ago
8 0

The answers you have fix for the first section are a and b, you just missed one line for each. The answers are:

a). WS, ZV, YU

b). WX, VU, ST


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the federal helium reserve held about 20 billion cubic feet of helium in 2010 and is being depleted by about 1.9 billion cubic f
Naya [18.7K]

The linear equation for the remaining Federal Helium Reserves, r(t) = 20 -1.9t

There is 20 billion cubic feet of Helium in 2010. Helium is depleted by about 1.9 billion cubic feet each year.

Let 'r' denotes the remaining Federal Helium Reserves in billions of cubic feet.

Let 't' denotes the number of years since 2010.

We have to find a linear equation to represent the depletion of Helium through years since 2010. A linear equation will have two variables, one dependent and one independent variable. Here, let 'r' be the dependent variable and 't' be the independent variable.

Then the amount of Helium depleted in 't' years = 1.9t

So, the remaining Helium in the Federal Helium Reserve since 2010 = 20 - 1.9t.

Thus, r(t) = 20 - 1.9t

This is a linear equation because it depends on only one variable, 't'.

Learn more about linear equations at brainly.com/question/15602982

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3 0
2 years ago
The radius of a cylinder is increased by 5 percent. Given that the height is constant, find the percentage increase in volume. ​
telo118 [61]

Step-by-step explanation:

Volume =pir^h

V1=pi r1^h

V2=pir2^2h

Now,V1/V2=r1^2/r2^2

v1/v2=r1^2/(1.05)^2 ((r2=r1+5/100r1)

v1/v2=1/1.1025

v1/v2=0.907

(v1/v2-1)=0.0907×100%

(v1-v2)/v2=9.07%

increase in volume is 9.07%

7 0
3 years ago
Mary sews at a rate of 60 inches per hour. How many feet does she sew in a minute?
Varvara68 [4.7K]

Answer:

0.083 feet per minute

Step-by-step explanation:

I hope this explanation helps you understand better if you have another question like this.

4 0
3 years ago
(-1/4)^8 * (8/11)^6 * (1/2)^-8
marissa [1.9K]

Answer:

1024/1771561

Step-by-step explanation:

Using exponent rules, we can multiply all of them together after applying the exponent to get the final answer.

8 0
4 years ago
Each square represents 1 whole. Which of the following are represented by the model shown? Select the three correct answers.
gulaghasi [49]

Answer:

(52/10)

5 (2/10)

5.2

Step-by-step explanation:

7 0
3 years ago
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