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natali 33 [55]
3 years ago
5

Help me ASAP!!!!!!!!!

Mathematics
2 answers:
grigory [225]3 years ago
7 0
Answer to the attachment is:

A) 8
B) 64
Misha Larkins [42]3 years ago
5 0

Answer:

Step-by-step explanation:

A)8

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For what value of a does 9 = (StartFraction 1 Over 27 EndFraction) Superscript a + 3?
vodka [1.7K]

Answer:

A

Step-by-step explanation:

9 = (1/27)^(a+3)

3² = (3^-3)^(a+3)

3² = 3^(-3a-9)

2 = -3a-9

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7 0
3 years ago
An object is moving at a speed of 850 miles per hour. Express this speed in meters per minute.
MAVERICK [17]

Answer:

it would be 1385

Step-by-step explanation: because 850 miles per hour converted into meter per min would be 22799.04 meters per sec and then u would Find the number in the whole number place 4 and look one place to the right for the rounding digit on the right side of the decimal point 7. Round up if this number is greater than or equal to 5 and round down if it is less than 5

So the answer is 1385

8 0
3 years ago
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One sixth of fifty four
marissa [1.9K]
1/6 x 54 = 9
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8 0
2 years ago
What is 4.5x + 2.5(x - 4)
marysya [2.9K]

Answer:

7x-10

Step-by-step explanation:

4 0
3 years ago
What is 17.70 = 7/2m + 13.50 ?
Fantom [35]

<u>answer:</u>  m = 1.2

<u>work:</u>

17.70 = \frac{7}{2} m + 13.50  | subtract 13.50 and move it over

4.2 = \frac{7}{2}m  | divide by 7/2

1.2 = m  | final answer

6 0
3 years ago
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