2 years ago

All of the following proportions are equivalent except

Mathematics

1 answer:

Ira Lisetskai [31]2 years ago

6 0

I think that the answer would be B

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Can anyone please help ME!:)

Bond [772]

Answer:

x y

0 0 - this is the y intercept

1 -4

2 -8

3 -12

4 -16

Step-by-step explanation:

4 0

2 years ago

Solve each system of equations by writing a new system that eliminates one of the variables.

Rufina [12.5K]

Answer:

$x=33\\y=-41$

Step-by-step explanation:

Let:

$2x+y=25\hspace{5}(1)\\and\\4x+3y=9\hspace{5}(2)$

We need to eliminate one of the variables, so let's use elimination method. First multiply (1) by 2

$2*(1)\equiv\hspace{5}4x+2y=50$

Now subtract (2) from 2*(1) in order to eliminate x:

$2*(1)-(2)\\4x-4x+2y-3y=50-9\\-y=41$

Solving for y:

Multiplying both sides by -1

$y=-41$

Finally, replacing the value of y in (1)

$2x-41=25$

Solving for x:

add 41 to both sides:

$2x=66$

Multiply both sides by 1/2:

$x=\frac{66}{2} =33$

3 0

3 years ago

Number of comments got maxed out so here's another post.

suter [353]

That’s cool. i need p01nts so imma comment

7 0

3 years ago

A pair of pants originally cost $15 and are 10% off. In addition, you have a coupon to get another 20% off. How much will the pa

GalinKa [24]

I believe it is 10.50

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3 years ago

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$7.00 × 20 = $140 in 40 hours<br> any helps !

lilavasa [31]

Answer:

$280 in 40 hours!

(Just multiply)

6 0

2 years ago

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