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Nadya [2.5K]
2 years ago
10

Jamie has saved $42 of her allowance money to buy books. If she buys 5 books at d dollars per book, she will have

Mathematics
1 answer:
Musya8 [376]2 years ago
4 0

Answer:

She has 24,50$ left

Step-by-step explanation:

3,50*5 = 17,50

42$ - 17,50$ = 24,50$

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Reuben can type 48 words in 8 minutes what is the rate in words per minute ?
Sauron [17]

Answer:

6 words per minute.

Step-by-step explanation:

48 divided by 8 is 6 .

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3 years ago
which expression is equivalent to 100 n2 − 1? (10n)2 − (1)2 (10n2)2 − (1)2 (50n)2 − (1)2 (50n2)2 − (1)2
givi [52]
Which expression is equivalent to 100 n2 − 1? (10n)2 − (1)2 (10n2)2 − (1)2 (50n)2 − (1)2 (50n2)2 − (1)2

Regroup:
100n^2-1

=10^2n^2-1
=(10n)^2-1^2

So the correct answer is : 
(10n)^2-1^2

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5 0
3 years ago
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PLZ HELP 70 POINTS!!!!!
marin [14]

5^(x+7)=(1/625)^(2x-13)


We move all terms to the left:


5^(x+7)-((1/625)^(2x-13))=0



Domain of the equation: 625)^(2x-13))!=0


x∈R



We add all the numbers together, and all the variables


5^(x+7)-((+1/625)^(2x-13))=0


We multiply all the terms by the denominator



(5^(x+7))*625)^(2x+1-13))-((=0


We add all the numbers together, and all the variables


(5^(x+7))*625)^(2x-12))-((=0


We add all the numbers together, and all the variables


(5^(x+7))*625)^(2x=0

not sure if this is right :/


8 0
3 years ago
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jolli1 [7]

Answer:

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3 years ago
What is $65.25 - 15% =?
ella [17]

Answer:

$55.36

Step-by-step explanation:

15% of 65.25 is 9.89

then that'd be 65.25 - 9.89 = 55.36

hope this helps/is right.

6 0
3 years ago
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