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3 years ago

√64/169 Evaluate. IDK

1 answer:

3 0

I can't tell if '169' is also inside the radical.

If it is, then the fraction is the same as ( √64 / √169 ) .
You can easily find both of those square roots, and
the result is (8 / 13) = about 0.6154... (rounded).

If the '169' is NOT inside the radical, then you have (√64) / 169 .
You know what the square root of 64 is, so the result is

8 / 169 = about 0.04734... (rounded)

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I'm giving 30 points if you answer correctly!

soldi70 [24.7K]

Answer:

Part A: 64 (right-side 3th cell) and 7 (left-side 4th cell)

Part B: 5 hours- $45; 6 hours- $54; 8 hours- $72

Part C: $5 more

Step-by-step explanation:

Explanation for Part C- We know that if she works 5 hours mowing lawns, she will earn $40. But, when she works at the theme park we use the ratio given to find out how much she earn per hour. In her case she earns $9 for every hour she works at the theme park. now if you multiply that by 5 we can find out how much she earns in 5 hours which is $45. This is $5 more than what she earns mowing lawns for the same amount of time. Here we can conclude that Barbara earns $5 dollars more working at the theme park for 5 hours rather that mowing lawns.

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4 0

3 years ago

Simplify 2(5+3x) + (x+10)

xz_007 [3.2K]

Answer:

7x + 20

I hope I helped :D

Step-by-step explanation:

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3 years ago

I need to know what this answer is

lawyer [7]

3.4x3=10.2...
hope this helps!!

5 0

3 years ago

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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3 years ago

0.36 as a standard form

NemiM [27]

Answer:

Step-by-step explanation:

4 0

3 years ago