3 years ago

Determine the slope of the following equation: 2y -4x = 9

Mathematics

1 answer:

sweet-ann [11.9K]3 years ago

3 0

In y=mx+b, this is y=2x+9/2. The slope is 2

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A sport store ordered 22 boxes of golf balls. Each box has 47 golf balls. Which is the best estimate of the total number of golf

RoseWind [281]

About 1,000! Hope this helps

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4 years ago

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When the x is slove and you have to slove for the y i got how to do it but i don't know which one am i sloving for in the equati

harina [27]

Since x=8y, subsitute 8y for x in other equation

y=6x-11
y=6(8y)-11
y=48y-11
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11=47y
divide both sides by 47
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x=8y
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3 years ago

Please help me. I'm lost.

amm1812

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3 years ago

The square on the right is a scaled copy of the square on the left. Identify the scale factor. Express your answer as a whole nu

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3 years ago

A total of 243 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student t

alina1380 [7]

Answer:

81 adult tickets

Step-by-step explanation:

Step 1:

Set up a system of equations

Since the adult tickets and student tickets add to 243, we can do

$a+s=243$

and the student tickets sold were 2x the adult tickets, we can do

$s=2a$

We can replace s in the first equation adding to 243 with 2a

$a+s(2a)=243\\3a=243\\$

Step 2:

Solve for a. We can divide both sides by 3.

$a=81$

Therefore, there were 81 adult tickets sold.

Step 3:

We can check our work! Since we learned earlier the student tickets are 2x adult tickets, we can multiply 81 by 2 and add that to 81 to see if it equals 243!

$s=2a\\s=2(81)\\s=162$

And...

$162+81=243$

So, 81 must be the answer!

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2 years ago

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