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3 years ago

True or false, A function is a relation if and only if the x-values do not repeat in a given set

2 answers:

6 0

False, the x-values can repeat, whereas the y-values can't repeat. If the y-values repeat, it will cause the slope to be unidentified (horizontal line).

salantis [7]3 years ago

5 0

Its false because it can't repeat in a set.

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I need help with this

zaharov [31]

Yes it’s a rectangle because the diagonals bisect each other, and they are equal in length.

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2 years ago

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I need help with algebra

rosijanka [135]

Answer:

x = -1 and y = 6

Step-by-step explanation:

using x = -b/2a

x = -4 / 2(2)

x = -1

y = 2(-1)² + 4(-1) + 8

y = 2 - 4 + 8

y = 10 - 4

y = 6

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2 years ago

What the slope of(7,3) (6,-2)

antoniya [11.8K]

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$slope = \frac{ - 2 - 3}{6 - 7} \\$

$slope = \frac{ - 5}{ - 1} \\$

$slope = 5$

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3 years ago

What is the measure of angle A in the triangle?<br> Enter your answer in the box.<br> mZA=

stepladder [879]

Answer:

Step-by-step explanation:

The sum of the angles of a triangle add to 180 degrees

A + B + C = 180

2x-10 + 70+ x+30 = 180

Combine like terms

3x +90 = 180

Subtract 90 from each side

3x+90-90=180-90

3x= 90

Divide by 3

3x/3= 90/3

x=30

We want to find angle A

A = 2x-10

=2*30 -10

=60-10

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3 years ago

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A consistent system of equations is a system with __________.

mr_godi [17]

D. Intersecting lines and lines that have the same equation.

Hope this helps :)

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3 years ago