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LiRa [457]
3 years ago
10

5n+4=39 find the value of n that makes this equation true

Mathematics
2 answers:
Andrei [34K]3 years ago
5 0
5n+4=39
-4=-4
5n=35
÷5=÷5
n=7
Bond [772]3 years ago
4 0
5n + 4 = 39
5n = 39 -4
5n = 35
n = 35:5
n = 7
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Ava's mom purchased a savings bond for Ava. The value of the savings bond increases by 3% each year. One year after it was purch
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Answer:

Original Value= $361.21

Step-by-step explanation:

Giving the following information:

The value of the savings bond increases by 3% each year. One year after it was purchased, the value of the savings bond was $515.

<u>To calculate the original value of the bond, we need to use the following formula:</u>

OV= PV/(1+i)^n

OV= original value

PV= present value

i= increase rate

n= number of months

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OV= $361.21

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Delicious77 [7]

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Step-by-step explanation:

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6 0
3 years ago
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How do I factor 16x^2 and -49y^2??
jeyben [28]
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8 0
3 years ago
What are the missing angle measures in triangle ABC?
Finger [1]

we know that

In the right triangle ABC

∠A+∠B=90 ------> by complementary angles

so

Step 1

Find the measure of angle B

we know that

tan\  B=\frac{opposite\  side\  angle\  B}{adjacent\  side\  angle\  B}

in this problem

opposite\  side\  angle\  B=7in\\ adjacent\  side\  angle\  B=5in

so

tan\  B=\frac{7}{5} \\ \\ B=arc\ tan\frac{7}{5} \\ \\ B=54.5\ degrees

Step 2

Find the measure of angle A

A+B=90\\ A=90-B\\ A=90-54.5\\ A=35.5\ degrees

therefore

the answer is the option

35.5° and 54.5°




5 0
3 years ago
Read 2 more answers
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