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dsp73
3 years ago
7

What is the result when the number 87 is increased by 3.9%?

Mathematics
2 answers:
RoseWind [281]3 years ago
8 0

Answer:

90.393

Step-by-step explanation:

salantis [7]3 years ago
7 0

Answer:

"90.393"

Step-by-step explanation:

quoted from "https://percentages.calculators.ro/22-number-increased-with-percentage-of-its-value.php?number=87&percentage_increase=3.9&new_value=90.393"

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A grocery store sells and 8 ounce bottle of juice for $1.76 What is the cost of the juice per ounce?
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Answer:

$0.22

Step-by-step explanation:

Now we know that 8 ounces total to $1.76. That means that in order to find how much 1 ounce costs, we will end up dividing both sides by 8

8 oz = $1.76

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3 years ago
A librarian is putting 87 books in boxes for
emmainna [20.7K]

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3 years ago
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Serjik [45]

Answer:

x =12\ or\ -8

Step-by-step explanation:

Given

(x_1,y_1) = (6,5)

(x_2,y_2) = (8,2)

(x_3,y_3) = (x,11)

Area = 15

Required

Find x

The area is calculated as thus:

Area = \frac{1}{2}|x_1(y_2 - y_3) + x_2(y_3 - y_1) + x_3(y_1 - y_2)|

Substitute values

15 = \frac{1}{2}|6*(2 - 11) + 8*(11 - 5) + x(5 - 2)|

15 = \frac{1}{2}|6*(-9) + 8*(6) + x(3)|

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15 = \frac{1}{2}|-6 + 3x|

Multiply through by 2

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Remove absolute sign

30 = -6 + 3x\ or\ -30 = -6 + 3x

Add 6 to both sides

36 = 3x\ or\ -24 =  3x

Divide by 3

12 = x\ or\ -8 = x

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2 years ago
Does tis table represent a function ?
frutty [35]
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