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zhuklara [117]
3 years ago
11

The sum of 3 times a number and -2, added to 5 times the number

Mathematics
1 answer:
givi [52]3 years ago
3 0

Answer:

3x + (5x -2)

Step-by-step explanation:

X is any number so 3 times a number is 3x. -2 plus 5 times a number is the same as 5 times a number minus 2. And the sum would be 3x + (5x - 2)

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A car has an initial value of $20,000. The value then "depreciates" or decreases by 10% of its initial value each year. Which eq
Elden [556K]

Answer:

D) v = -2,000y + 20,000.

Step-by-step explanation:

The question gives a linear relationship between two quantities.  This means that the relationship between the initial value of the car and the amount it depreciates each year is proportional, or constant.  Since the value of the car decreases by 10% of its initial value each year, then each year the value will decrease by 10% of 20,000 or 0.10 x 20000 = $2,000.  Since we know the value is decreasing each year, this amount would be subtracted from the initial value of $20,000.  So, D) v = -2,000y + 20,000 would be the only equation that represents this scenario.  

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3 years ago
A. The perimeter of a rectangle is twice the length plus twice the width. If L represents the length and W represents the​ width
vampirchik [111]
Perimeter P = 2L + 2W

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5 0
3 years ago
Which of the following expressions are factors of 25x^3−75x^2−9x+27?
Natali [406]

Answer:

I am not sure but I think the correct answer is c

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3 years ago
Need help now please, ill give brainliest
emmainna [20.7K]

Answer:

D

Step-by-step explanation:

|| = parallel lines

4 0
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Read 2 more answers
6 The radius of the base of a cylinder is 39 in. and its height is 33 in.. Find the surface area of the cylinder in terms of s.​
Delvig [45]

<u>Answer:</u>

17650 in².

<u>Step-by-step explanation:</u>

Given that the base of cylinder is 39 inch and it's height is 33inches . We need to find the surface area of the cylinder . So we know the TSA of cylinder as ,

\bf\implies TSA_{(cylinder)}= 2\pi r ( r + h ) \\\\\bf\implies TSA_{(cylinder)}= 2\pi 39 ( 39 + 33) in.^2\\\\\bf\implies TSA_{(cylinder)}= 2\times \dfrac{22}{7}\times 39 \times 72 \\\\\sf:\implies \boxed{\red{\bf TSA_{(cylinder)}= 17650 in^2}}

4 0
3 years ago
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