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astraxan [27]
3 years ago
13

a. Solve x + 9 = x + 9. b. If you simplify an equation and get 0 = 0, what can you conclude about the solution(s) of the origina

l equation? a. Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. (Simplify your answer.) O B. The solution is all real numbers. O C. There is no solution.​
Mathematics
1 answer:
Wittaler [7]3 years ago
7 0
My friend told me the answer is 57
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The length of a rectangle is five times it’s width if the area of the rectangle is 320m^2 find its perimeter
BlackZzzverrR [31]

Answer:

Perimeter of the rectangle = 96 meters.

Step-by-step explanation:

Let the width of the rectangle = K

So, the length of the rectangle = 5K

Area  = 320 sq meters

Now, Area of a Rectangle  = Length x Width

⇒  320  = K x  5K

or,5K^{2} = 320\\or, K^{2}  = \frac{320}{5}   = 64

So, the vlue of K = 8 or, K = -8

But as K represents a length hence, K ≠ -8

So, the <u>width of the rectangle = 8 meters</u>

and the<u> length  of the rectangle = 8 x 5 = 40 meters</u>

Now, Perimeter = 2(length + width)

                            = 2(8 + 40) = 96 meters.

So, the perimeter of the rectangle = 96 meters.

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2 years ago
There are 35 men and 25 women on a bus. If 20 married couples leave the bus, the number of men is how many times the number of w
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Answer:

3

Step-by-step explanation:

15 men would be left

5 women would be left

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3 years ago
What is the product of 709 and 68?
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Answer:

709*68=48212

ans = 48212

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