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3 years ago

8

Last year there were 120 students in choir. This year, 30% more students took choir. How many students are taking choir this yea

r?

1 answer:

hjlf3 years ago

7 0

Answer:

120 into a third and divide and the answer

Step-by-step explanation:

160

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A banana peel weighs 1/12 of the total weight of a banana. If an unpeeled banana balances a peeled banana of the same weight, p

Ilia_Sergeevich [38]

Answer:

11 ounces

Step-by-step explanation:

Unpeeled = X

Peeled = (1 - 1/12)X = (11/12)X

X = (11/12)X + (11/12)

X - (11/12)X = 11/12

(1/12)X = 11/12

X = 11 ounces

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2 years ago

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Need help! Law of cosines...find b round to the nearest tenth please

dusya [7]

ANSWER

$B = 27.8 \degree$

EXPLANATION

The law of cosine is given by the formula:

${b}^{2} = {a}^{2} + {c}^{2} - 2bc \cos(B)$

From the diagram,

a=17, b=8, c=16

We substitute the given values into the formula to obtain:

${8}^{2} = {17}^{2} + {16}^{2} - 2(17)(16)\cos(B)$

$64 = 289+ 256- 544\cos(B)$

$64 = 545- 544\cos(B)$

$64 - 545 = - 544\cos(B)$

$- 481 = - 544\cos(B)$

$\frac{ - 481}{ - 544} = \cos(B)$

$cos(B) = 0.88419$

$B = \cos ^{ - 1} (0.88419)$

$B = 27.8 \degree$

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3 years ago

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Plz help what is this 8h+(-7.9d)-16+5d-3.4h

Klio2033 [76]

Answer:4.6h-2.9d-16

Step-by-step explanation:

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2 years ago

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yKpoI14uk [10]

9514 1404 393

Answer:

A) 5x+12 = -12x-12

D) 5x+12 = -5x-12

Step-by-step explanation:

If you subtract the right side expression from both sides, you will get an equation with something equal to zero. If the 'something' has a variable in it, there is exactly one solution.

A: (5x+12) -(-12x-12) = 17x+24 = 0 . . . one solution

B: (5x+12) -(5x-5) = 17 = 0 . . . . no solutions

C: (5x+12)-(5x+12) = 0 = 0 . . . . infinite solutions

D: (5x+12) -(-5x-12) = 10x +24 = 0 . . . one solution

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2 years ago

Find value of p in..6p-1/3(p+1)=8(p+1/32

puteri [66]

The answer is,

$p = - \frac{1}{4}$

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2 years ago