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4 years ago

I need help sloveing

Mathematics

1 answer:

lakkis [162]4 years ago

7 0

a, b, and c are all correct answers.

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Answer:answer is 3(9a+1)

Step-by-step explanation:

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3 years ago

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4 years ago

1.The sum of three consecutive numbers minus 12 is 75

Arte-miy333 [17]

Answer:

The answer is

One: 28, 29, 30

Two: 75,77

Step-by-step explanation:

One

Let the three numbers be (x - 1) , x , and x + 1

(x - 1) + x + (x +1 ) - 12 = 75 Remove the brackets

x - 1 + x + x + 1 - 12 = 75 Combine the like terms on the left

3x - 12 = 75 Add 12 to both sides

3x = 75 + 12

3x = 87 Divide by 3

x = 87/3

x = 29

Two

Let the first odd number = 2x -1

Let the second odd number = 2x + 1

2x - 1 + 2x + 1 + 18 = 170 Combine like terms on the left.

4x + 18 = 170 Subtract 18 from both sides.

4x = 170 - 18 Combine like terms on the right

4x = 152 Divide by 4

4x/4 = 152/4

x = 38

2 * 38 - 1 = 75

2 * 38 + 1 = 77

7 0

3 years ago

A pie company arranges its three-flavor cheesecake sampler into equal-sized slices as shown, where S represents strawberry, C re

Citrus2011 [14]

Answer:

$37.68$ square inches

Step-by-step explanation:

Given:

A pie company arranges its three-flavor cheesecake sampler into equal-sized slices: S represents strawberry, C represents chocolate, and P represents plain.

Diameter of the pie = 12 inches

To find: total area of the strawberry portion in the pie

Solution:

Diameter of the pie = 12 inches

Radius of the pie (r) = Diameter / 2 = $\frac{12}{2}=6$ inches

Area of the pie = $\pi r^2=3.14(6)^2=113.04$ square inches

Ratio of the strawberry portion in the pie = $\frac{2}{6}=\frac{1}{3}$

Therefore,

total area of the strawberry portion in the pie = $\frac{1}{3}(113.04)=37.68$ square inches

6 0

3 years ago