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just olya [345]
3 years ago
10

Find the area of a rectangle that has a length of (x - 5) and a width of (3x + 1).

Mathematics
1 answer:
avanturin [10]3 years ago
5 0

Answer:

A=3x^2 -14x -5

Step-by-step explanation:

(x-5)(3x+1)

3x^2 +x -15x -5

3x^2 -14x -5

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The shower block on the campsite has an area of 144 m2 The length of the shower block is 24 m.What is the width?
g100num [7]

Since the shower block is in the form of a rectangle. The shower block has an area of 144m^{2}. It has a length of 24m. We need to calculate the width of the shower block.

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width = = \frac{144m^{2}}{24m}

width = 6m

So, the width of the shower block is 6 meters.

8 0
3 years ago
Find a formula for the described function. Express the surface area of a cube as a function of its volume v.
Digiron [165]

Let the side of the cube=a

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The above expression showing surface area as a function of Volume. (Answer)

4 0
3 years ago
Can someone help my sis on these questions? I dont remember how to do these things (part 1)
NNADVOKAT [17]

Answer:

Read below for each answer! (^-^)

Step-by-step explanation:

1: You got the first one right. The explanation does explain why but think about 0 as the surface of the water to better understand.

2: -3; it is between 2 and 4 with only one line through it meaning that it is -3.

3: 7. That's the greatest number both can divide into it.

4: The last one. Any positive number is greater than a negative one and peanut butter's freezing point is positive while the other one's is not.

5: You got it right again! -(-1) has two negatives. Two negatives (mostly) make a positive. So positive 1! Now describe that on a number line.

Hope this helps!

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