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slava [35]
3 years ago
7

7^-5 times 7^3 equals what, I need help asap please

Mathematics
1 answer:
djverab [1.8K]3 years ago
5 0
Your answer is 7^(- 2) or \frac{1}{ 7^{2} } or \frac{1}{49}
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The value of a certain rare stamp is 160% of its value three years ago if the stamp is worth $220 then what is it’s worth today
xz_007 [3.2K]

Answer:

572$

Step-by-step explanation:

100% of 220 is 220 so add them together. Then find 60 % of 220. To find 10% of a number move the decimal to the left one time. Which is 22. After that, multiply 22 by 6 because it's 60%. then ad 220+220+132=572.

6 0
3 years ago
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I need help. With this p
iogann1982 [59]

a_n=a_1+(n-1)d - the formula of n-th term of an arithmetic sequence.

We have:

a_5=12.4;\ a_9=22.4

a_9-a_5=(9-5)d\to4d=22.4-12.4\\\\4d=10\ \ \ \ |:4\\\\d=2.5

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Answer: C. 77.4

6 0
3 years ago
7th grade work ! I’ll give brainliest!
marysya [2.9K]

Answer:

Step-by-step explanation:

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3 0
3 years ago
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alukav5142 [94]

Step-by-step explanation:

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8 0
3 years ago
Using the given points, determine the slope. (0, 32) and (100, 212)
Colt1911 [192]
Slope=m=y/x=rise/run=(y1-y2)/(x1-x2)
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so just go ahead and fill the numbers in;
(32-212)/(0-100)=(-180/-100)=1.8
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3 0
3 years ago
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