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3 years ago

1. Are the graphs of y = 3x - 2 and y = - 3x + 2 parallel, coinciding, perpendicular

Mathematics

1 answer:

Murljashka [212]3 years ago

6 0

Answer:

none of these

Step-by-step explanation:

they do not have the same slope to be parallel, do not have the same slope or y intercept to be coinciding, and the product of the slopes of the two lines do not equal to -1. As a result, the two lines are not perpendicular to each other.

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Natalka [10]

Answer:

2(39)(31)+2(39^2)=5460m^2

Step-by-step explanation:

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2 years ago

Abdul is creating a cushion that is 1 foot by 2 feet by 3 feet. He wants to find the least amount of fabric he will need to cove

netineya [11]

Answer:

The least amount of fabric are 22 square feet

Step-by-step explanation:

we know that

The surface area of a rectangular prism is given by the formula

$SA=2B+PH$

where

B is the area of the base

P is the perimeter of the base

H is the height of the prism

Let

L ---> the length pf the prism

W ---> the width of the prism

H ---> is the height of the prism

Let

$L=2\ ft\\W=3\ ft\\H=1\ ft$

Find the area of the base

$B=LW=(2)(3)=6\ ft^2$

Find the perimeter of the base

$P=2(L+W)=2(2+3)=10\ ft$

Find the surface area

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therefore

The least amount of fabric are 22 square feet

7 0

3 years ago

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This question is confusing. Please help me!

velikii [3]

Answer:

x = 18

Step-by-step explanation:

Given:

a = 2x +3
b = 4x - 7

Finding x for which 3b = 5a:

3b = 5a

3(4x - 7) = 5(2x + 3)
12x - 21 = 10x + 15
12x - 10x = 15 + 21
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x = 36/2
x = 18

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3 years ago

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cricket20 [7]

The scale factor is 1/3.

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3 years ago

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natali 33 [55]

0.134 = 134/1000 = 67/500

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