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Yuki888 [10]
3 years ago
14

If 15 books cost $90, what is the unit price?

Mathematics
2 answers:
Radda [10]3 years ago
5 0

Answer:

b

Step-by-step explanation:

____ [38]3 years ago
5 0

Answer:

Step-by-step explanation:

B

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2. What is the effective annual rate of an investment that pays 6% for 5 years, compounded semiannually?
Ede4ka [16]

Answer:

effective annual rate is 6.16 %

Step-by-step explanation:

given data

rate = 6 % = 0.06

time 5 year = 10 semi annually

to find out

effective annual rate

solution

we know formula for annual effective rate of interest is

rate of  interest = (1+ r/n)^{n} -1

put here all value

rate of interest = (1+ 0.06/10)^{10} -1

rate of  interest = (1+ 0.06/10)^{10} -1

rate of interest = 0.061646

so effective annual rate is 6.16 %

8 0
3 years ago
Janine cut a parallelogram from 4 in x 6 in index card as shown below which equation can Janine used to determine the area she c
lakkis [162]
Have you tried doing 6 in x 4 in, if not try that
7 0
3 years ago
Round these numbers to the nearest ten and 100 for brainlies 50 points
Dmitrij [34]

Answer:

1. 650, 700 2. 840, 800 3. 370, 400 4. 80, 100 5. 620, 600 6. 250, 200 7. 970, 1,000 8. 330, 300 9. 450, 400 10. 210, 200 11. 100, 100 12. 710, 700

Step-by-step explanation:

4 0
2 years ago
Foure ABCD is a parallelogram<br> What is the value of x<br><br><br> please help
Zigmanuir [339]

Answer:

x = 7

Step-by-step explanation:

The property of a parallelogram is the opposite sides are congruent, hence

AD = BC ← substitute values

5x + 3 = 38 ( subtract 3 from both sides )

5x = 35 ( divide both sides by 5 )

x = 7

6 0
3 years ago
Solve: 5x-3+2x = 5x+3 show your work
AURORKA [14]

Answer:

x = 3

Step-by-step explanation:

5x - 3 + 2x = 5x + 3

<em>subtract 5x from both sides</em>

5x - 5x - 3 + 2x = 5x - 5x + 3

-3 + 2x = 3

<em>add 3 to both sides</em>

-3 + 3 + 2x = 3 + 3

2x = 6

<em>divide both sides by 2</em>

2x/2 = 6/2

x = 6/2

x = 3

5 0
2 years ago
Read 2 more answers
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