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Nady [450]
2 years ago
14

What is the length (magnitude) of the vector (7, -2)?

Mathematics
2 answers:
lara [203]2 years ago
8 0

remember to give me a heart (thank?) lol :>

Sedbober [7]2 years ago
4 0

Answer: B

Step-by-step explanation:

I just got it right on A P E X

have a good day

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Please solve and graph each inequality x-7<-12
Keith_Richards [23]

For this case we must resolve the following inequality:

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Adding 7 to both sides of the inequality:

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Different signs are subtracted and the major sign is placed.

x

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The solution set is: (-∞, - 5)

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3 years ago
what is the equation in slope intercept form of the line that passes through the point (-4,47) and (2,-16)
Vilka [71]

The slope-intercept form:

y=mx+b

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-4, 47) and (2, -16). Substitute:

m=\dfrac{-16-47}{2-(-4)}=\dfrac{-63}{6}=-\dfrac{63:3}{6:3}=-\dfrac{21}{2}

Therefore we have:

y=-\dfrac{21}{2}x+b

Put the coordinates of the point (2, -16) to the equation:

-16=-\dfrac{21}{2}(2)+b\\\\-16=-21+b\qquad\text{add 21 from both sides}\\\\5=b\to b=5

Answer: \boxed{y=-\dfrac{21}{2}x+5}

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3 years ago
Drew has 50 red, green, and blue marbles. He has six more red marbles than blue marbles and four fewer green marbles than blue m
Yanka [14]
Drew has 56 Red Marbles, 56 Green Marbles, Drew has about 60 Blue Marbles. First i added 6 to Red since Red Has 6 More Marbles Than Blue, Then i added Subtracted 4 from green, which resulted in 46 Green Marbles. Finally i added 4 and 6 to get 60 Blue Marbles. I am not sure if i am correct, but i gave it a shot! ^-^
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3 years ago
2/3*x+3/4=8 what is x
matrenka [14]

Answer: x=10 7/8

Step-by-step explanation:

Subtract 3/4 from both sides. Multiply both sides by 3. Divide both sides by 2 (basically just isolate x on one side of the equal sign).

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Answer: d= radical 128

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3 years ago
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