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Arturiano [62]
2 years ago
6

A rectangle is 15m longer than it is wide. Its perimeter is 72m. Find its length and width.

Mathematics
1 answer:
Dahasolnce [82]2 years ago
6 0
L 6 w 8 is the right answer to the question
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0.79 x 3.7 =<br> please explain your process
mart [117]

This question is super easy.

0.79*3.7

=2.923

Hope this helps!

Thanks!

-Charlie

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3 years ago
What was the average speed of the Luna 1?
Studentka2010 [4]

Answer:

The average speed was about 6,000 kilometers (or 3,200-3,700 miles)

Step-by-step explanation:

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8 0
3 years ago
Find a close estimate for square root of 45. (without a calculator) Round your answer two decimal places
dusya [7]
You know that 7*7 is 49, and 6*6 is 36. Now you know it will be 6._. 6*7 is 42, so think of that as 6.5^2. You know that it will most likely be less than 6.8 since it is so close to being 7*7, which is 4 above your desired number. This leaves 6.6 to 6.8 as your estimate. Personally, I would go straight in the middle and choose 6.7. 

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6 0
3 years ago
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When an exponent is a negative number, we can think of it as taking the...?
STALIN [3.7K]

Answer:

We can think of it as the zeros after the decimal point.

Step-by-step explanation:

Negative exponents always move the number to the right putting the decimal in front of it.

5 0
3 years ago
Find the derivative of f(x) = 9x + 5 at x = 7.
Sergeeva-Olga [200]
The derivative of a variable raised to exponent of n, x^n is equal to the product of n and x raised to exponent of n-1.
                                   d(x^n) = (n)(x^n-1)
So, from the given
                                 d(9x + 5) = (1)(9x^1-0)  + 5(0)
                                                = 9
The given value of x is irrelevant to this item because the derivative does not contain any variable x. 
8 0
3 years ago
Read 2 more answers
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