3 years ago

Given the system of equations presented here:

Mathematics

1 answer:

ziro4ka [17]3 years ago

5 0

The third one correctly eliminates the y-value from the equation.

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Which of the following expressions is equivalent to 2x + y − 4y + 8?

cluponka [151]

Answer:

a) 2x - 3y + 8

Step-by-step explanation:

Problem: 2x + y - 4y + 8

Solve: y - 4y

Put it back into the expression: 2x - 3y + 8

8 0

3 years ago

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Thank you so much thank y’all for your help

Misha Larkins [42]

Answer:

2(4) + 2(l) >14 (second option is the answer).

7 0

3 years ago

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What is an equation of a line that passes through the points (1,8) and (-1, -2)

Dima020 [189]

Answer:

y = 5x + 3

Step-by-step explanation:

Y = mx + b

find the rise/run

in this case $\frac{10}{2}$ or 5

find b or the y intercept

in this case 3

Hope this helps!

6 0

3 years ago

I just want to make sure or is it b?

klasskru [66]

I believe the answer should actually be

C.) It is a one to one function

A one to one function is a function in which the x and y values never repeat. Each value of x is different every time, and they never have the same values of y.

6 0

3 years ago

A Solution has a density of 1.50g/mL How many grams are needed to obtain 10.0mL of solution

san4es73 [151]

DENSITY =MASS/VOLUME

OR MASS = DENSITY X VOLUME

DENSITY =1.5 g/ml AND VOLUME = 10 ml

MASS = 1.5 x 10 = 15 g

4 0

4 years ago

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