3 years ago

Graph each equation or inequality y = 3/4x-2

Mathematics

1 answer:

bagirrra123 [75]3 years ago

7 0

The answer to your question is b

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Three numbers are in the ratio 2:3:5. If the sum of their cubes is 1280.Find the three numbers.

Charra [1.4K]

Answer:256,384,640

Step-by-step explanation:

Take the ration sum 2x+3x+5x=1280

When we add we get 10x=1280

Then find x by. x=1280/10=128

Then substitute this x value to the ratios 2x=2*128 =256

3x=3*128=384

5x=5*128=640

3 0

4 years ago

I need the answer to the image

Levart [38]

Answer:

∠B = 156°

Step-by-step explanation:

A line intersects two parallel lines this means that their opposite angles are transversals specifically the angles, A and B. And transversal angles are congruent so I can make this claim below:

$∠A = ∠B \\ 8x +78 = 2x +144$

Solving for x:

$8x +78 = 2x +144 \\ 8x -2x +78 = 2x -2x +144 \\ 6x +78 -78 = 144 -78 \\ 6x = 66 \\ \frac{6x}{6} = \frac{66}{6} \\ x = 11$

Solving Angle B if x = 11.

$∠B = 2x +144 \\ ∠B = 2(11) +144 \\ ∠B = 22 +144 \\ ∠B = 166$

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4 years ago

What's a verbal expression

Nastasia [14]

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2 years ago

-2/5n=-30 n=? Please help me with my math! 10 PTNS!!

maks197457 [2]

N =75 i solved for N and got 75

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3 years ago

Read 2 more answers

{ − 2 x + y = 0 5 x + 3 y = − 11

sineoko [7]

The answer is correct because—and I oop reeeee blah blah reee

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4 years ago