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7nadin3 [17]
3 years ago
15

Find the approximate measure of angle X. 21° 22° 66° 68°

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
8 0

Answer:

22

Step-by-step explanation:

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9.8

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I need to replace the carpet for my bedroom floor and the supplier wants to
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Answer:

D. 120 square feet

Step-by-step explanation:

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120 square feet

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Please someone help me with this I’m very confused
mote1985 [20]

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a. n= 1x +7

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Step-by-step explanation:

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3 years ago
Given that D(x) = 2x, select all of the following that are true statements
Keith_Richards [23]

Answer:

D(x) is a function

D(x) is a direct variation

D(x) is a rule for the set of points (5.10). (6, 12) and (-2,-4)

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

In this problem

D(x)=2x

D(x) is a direct variation (linear function)

The variable x is the independent variable or input value

The variable D(x) is the dependent variable or output value

<u><em>Verify each statement</em></u>

case 1) D(x) is a function

The statement is true

see the explanation

case 2) x is the dependent variable

The statement is false

The variable x is the independent variable or input value

case 3) D(x) is a direct variation

The statement is true

see the explanation

case 4) D(x) is a rule for the set of points (5.10). (6, 12) and (-2,-4)

The statement is true

Because

For x=5

substitute in the linear equation

D(x)=2(5)=10 ---> is ok

For x=6

substitute in the linear equation

D(x)=2(6)=12 ---> is ok

For x=-2

substitute in the linear equation

D(x)=2(-2)=-4 ---> is ok

6 0
3 years ago
What are the solutions to the system of equations graphed below?
Lelu [443]

Answer:

D

Step-by-step explanation:

The solution to a system of equations given graphically is at the points of intersection of the 2 graphs.

These occur at (4, 8 ) and (0, - 8 ) → D

4 0
3 years ago
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