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3 years ago

2. A disc jockey plays a variety of music at public events. Each hour she

Mathematics

1 answer:

podryga [215]3 years ago

8 0

Answer:

40%

Step-by-step explanation:

6+2+5+2=15

15= 100%

Use proportions

$\frac{6}{15} =\frac{x}{100}$

600=15x

600/15 = 15x/15

x= 40

40%

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stiks02 [169]

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Step-by-step explanation:

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3 years ago

Factor Trinomials:

notka56 [123]

Answer:

1. $2(x+2)(x+5)$

2. $8(x+4)^{2}$

Step-by-step explanation:

Problem #1:

1. Find the GCF (Greatest Common Factor)

$GCF = 2$

2. Factor out the GCF and simplify.

$2(x^{2} +7x+10)$

3. Factor $x^{2} +7x+10$

Which two numbers add up to 7 and multiply to 10?

2 and 5

Rewrite the expression using the above.

$(x+2)(x+5)$

4. Done!

$2(x+2)(x+5)$

Problem #2:

1. Find the GCF (Greatest Common Factor)

$GCF=8$

2. Factor out the GCF and simplify.

$8(x^{2} +8x+16)$

3. Use the perfect square formula. $a^{2} +2ab+b^{2} =(a+b)^{2}$

$a = x\\b=4$

$(x+4)^{2}$

4. Done!

$8(x+4)^{2}$

8 0

2 years ago

the ratio of the price of a pencil to that of a book is 3 :4. if the price of a pencil is Rs. 15, find the price of a book?

tester [92]

The answer is 20 because if you divide 15:20 by 5, you get 3:4. hope this helps!

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3 years ago

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Pie

Answer:

264

Step-by-step explanation:

do 20 mulitplyed by 30 then subtracted it by 336

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3 years ago

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Olin [163]

94.2 in would be your answer

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