3 years ago

Please help me answer this

Mathematics

1 answer:

salantis [7]3 years ago

4 0

Do you need an explanation or just the answer ???? (32/7,-6/7)

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what's the ratio of boys to girls in a class is 3:4 and if there are 12 boys in the class how many girls are ther

snow_lady [41]

Answer:

Step-by-step explanation:

Boys is written first so 3:4 the 3 stands for boy.

12 boys in class means that the 3 from 3:4 was multiplied 4 times so you do the same to other side. 4 times 4 is 16, therefore the answer is 16.

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3 years ago

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What is the equation of a line that passes through the points (3, 6) and (8, 4) in slope intercept form?

MrMuchimi

Answer:

$y=-\frac{2}{5}x +8.4$

Step-by-step explanation:

Gradient

$m =\frac{y-y1}{x-x1}$

$m = \frac{6-4}{3-8}$

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$(y-y1)=m(x-x1)\\$

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$(y-6)= -\frac{2}{5} (x-6)$

$y=-\frac{2}{5}x +8.4$

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3 years ago

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Tpy6a [65]

Answer:

AB : Y= 4 CB: Y= -1

Step-by-step explanation:

I think?? I'm so so sorry I didn't really pay attention to these shape figures in math :(((

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3 years ago

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AfilCa [17]

22 kilometers :) hope that helped

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3 years ago

Solve the system of equations. y = x2 + 7x - 5 y = 2x + 9

marissa [1.9K]

Answer:

(2, 13)

(-7, -5)

Step-by-step explanation:

Easiest and fastest way to do this is to graph the systems of equations and analyze the graph where the 2 graphs intersects.

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