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labwork [276]
3 years ago
10

Simplify following expression

Mathematics
2 answers:
Volgvan3 years ago
7 0
The answer is D. when an exponent on the outside you multiply the exponents
AlekseyPX3 years ago
5 0
The correct answer is D.
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Ten minutes after he left his home, Gerald was 40 miles from his grandmother’s house. Then, 22 minutes after he left, he was 34
Svetlanka [38]
After 10 minutes, he's 40 miles away. After 22 minute, he's 34 miles away. Therefore, in those 12 minutes between, he covered 6 miles. We can make a ratio out of this: 6/12 = 0.5, so he is walking at a rate of 0.5 mi/min (miles per minute). Finally, we can set x/90 equal to 0.5/1 because he is walking at the same rate the entire time. Cross multiply to solve for x. Finally, you get that he had to travel 45 miles in 90 minutes, so his home is 45 miles away from his grandmother's.

3 0
3 years ago
How to simplify an expression with a negative exponent
svetlana [45]

Answer:

Step-by-step explanation:

An negative exponent seems hard, but it really isn't!

Let's say you have 2^{-3}

All you do is inverse the expression, or find the reciprocal. When you do this the exponent changes to positive .  

\frac{1}{2^{3} }

2^{3} simplifies into 8. So, the result is

\frac{1}{8}

Hope this helps! Please mark as brainliest, thanks!

4 0
3 years ago
Somebody help me asap I’m giving brainliest!
sergejj [24]

Answer:

C becausee I'm trying to help

4 0
2 years ago
A travel trailer is bought at the price of $35,000. The value decreases at the rate of .25 every year (t). The exponential expre
Colt1911 [192]
The answer might be D I don’t understand either
3 0
3 years ago
Place 145 in the place value chart
Alexandra [31]

Answer: The 1 goes in the hundreds place and the 4 goes in the tens place and the 5 goes in the ones place

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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