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masha68 [24]
4 years ago
8

I need help on the top one 25 pts

Mathematics
1 answer:
svet-max [94.6K]4 years ago
8 0
The answer to the question

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How do you write fourteen and seven-tenths squared in all three froms
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3 years ago
Tickets for a concert cost $25 each. You have $180 to spend. Write
Mariulka [41]

Answer:

180 - 25(T)= 30

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180 - 25(6)= 30

3 0
3 years ago
Using principle of mathematical induction prove that 6^-1 divisble by 5 .​
salantis [7]

I suppose the claim is 5 \mid 6^n - 1 for n\in\Bbb N.

When n=1, we have 6^1 - 1 = 6 - 1 = 5, and of course 5 divides 5.

Assume the claim holds for n=k, that 5 \mid 6^k - 1. We want to use this to show it holds for n=k+1, that 5 \mid 6^{k+1} - 1.

We have

6^{k+1} - 1 = \left(6^{k+1} - 6\right) + \left(6 - 1) = 6\left(6^k - 1\right) + 5

Since 5 \mid 6^k - 1, we can write 6^k - 1 = 5\ell for some integer \ell. Then

6^{k+1} - 1 = 6\cdot5\ell + 5 = 5(6\ell + 1)

which is clearly divisible by 5. QED

5 0
2 years ago
Marsha is filling a fruit basket with apples and pears. if a represents the number of apples and p represents the number of pear
RoseWind [281]
<span>Marsha is filling a fruit basket with apples and pears. if a represents the number of apples and p represents the number of pears, write an inequality using the variables a and p to model the constraint that the fruit basket can hold no more than 25 pieces of fruit?
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a+b<25
8 0
3 years ago
Mike goes grocery shopping for baby food for his young daughter. He has a coupon for a popular brand, but as he’s rounding the e
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People with kids or babies always want them to eat natural foods with no preservation, even if are a bit more expensive than the other available options.What they care about is the quality and health of the kids.So keeping this point in head,most of the brands uses the technique to compete with the other in-market brands. And that's what the shopkeeper did in this case.
Mike should have read the listed ingredients on the baby food jar.I think both of them would have the same,except a few.
7 0
3 years ago
Read 2 more answers
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