2 years ago

ANSWER QUICKLY PLEASE!!

Mathematics

1 answer:

garik1379 [7]2 years ago

3 0

Answer:

Step-by-step explanation:

A have a positive line going up.

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Solve the system of equations using multiplication. 3x – 3y = –3 5x – y = –13 What is the solution of the system?

love history [14]

ANSWER

The solution is

x=-3,y=-2

EXPLANATION

First equation

3x – 3y = –3

Second Equation:

5x – y = –13

Multiply the second equation by 3 to get:

Third equation:

15x-3y=-39

Subtract the first equation from the third equation:

$15x - 3x = - 39 - - 3$

$12x = - 36$

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Put x=-3 into the first equation:

$3( - 3) - 3y = - 3$

$- 9 - 3y = - 3$

Group like terms,

$- 3y = - 3 + 9$

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$y = - 2$

The solution is

x=-3,y=-2

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3 years ago

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Savatey [412]

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A university is trying to determine if certain remedial classes need to be offered to their incoming class. To do so, they give

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Answer:

The experiment is identifying whether a student gets less than a 75% on the entrance exam.

The trial is one exam being taken.

An outcome is a student scoring 80%.

Step-by-step explanation:

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The trial is the one exam being taken.

While an outcome is the aftermath of the experiment which includes a student scoring 80%.

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