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Musya8 [376]
3 years ago
12

Please help! I need help with these three problems. thank you!

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
5 0
24.2%
12.5/100
.1825 and 18.25/100
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a.give the y-intercept

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What are the terms in the expression 2x−4y+8 ?
vazorg [7]

Answer:

A. 2x, -4y, and 8

Step-by-step explanation:

If there is a minus sign in front of the 4 (-), add that to the expression. What you are just simply doing is separating the numbers up. For example:

12x - 8y + 4x

Now here, you have two of the same variables (x, y, etc). So, what you do is look at the last number that has the same variables, which is 4, and look at what the problem you will be solving, which is addition. So, very simply, you add then together!

12× + 4× = 16×

As you can see I kept the same variable. This is because, well, it is the same! Simply, just substitute in the 16× with the 8y. Now here is the tricky part, for some people. Do you see that there is a negative sign in front of the 8 (-)? Well! You have to substitute that in with the expression. No adding this or anything, just simply slide it next to the 16× because, we can not add nor subtract it with the 8y just because it has a different variable.

Your example answer would be: 16× - 8y

Hope this helps!

P.S. if you think this helped you at all, Brainliest me if ya want to. Have a great day!

5 0
3 years ago
What is the solution to the system of equations below?
Free_Kalibri [48]

Answer: Infinite solutions.

Step-by-step explanation:

y=-2x-6\\2y=-4x-12

Plug the value of y into the second equation.

\\ 2(-2x-6)=-4x-12\\-4x-12=-4x-12

Add 12 on both sides.

-4x-12+12=-4x-12+12\\-4x=-4x

Add 4x on both sides.

-4x+4x=-4x+4x

0=0

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3 years ago
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Ppppplease help me asap!!! 15 points!!!!!
Furkat [3]
Imagine a ladder leaning against the wall and you know the height of the ladder and its distance from the wall and you had to find out the height you could use pythagorean theorem here
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3 years ago
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A salesperson is paid $60 per week plus $4.50 per sale. THIS WEEK, the salesperson wants to earn more than $240. How many sales
inn [45]

Answer:

42 sales plz mark as brainliest

Step-by-step explanation:

60 + 4.5(x) =250

60 + 4.5x =250

4.5x = 250-60

4.5x = 190

x = 190/4.5

x= 42 sales

6 0
3 years ago
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