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Tomtit [17]
4 years ago
7

Please Help , Thank You !

Mathematics
2 answers:
kodGreya [7K]4 years ago
7 0
One, Three and Four are right answers. 
Marina86 [1]4 years ago
7 0
All of them except "Several lines can be drawn through the same pair of points."

I'm not too sure, but I think this is the answer, Hope this helped!
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1. If you are asked to use elimination to solve for x", what do you need to multiply the bottom equation by to eliminate "y?
hram777 [196]

Answer:

-5

Step-by-step explanation:

There is different ways to solve methods of elimination but if you wanted to cancel y out you would multiply by the opposite sign....for example

7x + 5y = 19

-5 (2x + y = 19) ---> -10x -5y = 95

this would cancel out your y to solve for x so you can plug it back in and solve! hope this helps!!!

6 0
2 years ago
K=0 ∑ 39 ​ 8(− 8 7 ​ ) k ≈
Anna11 [10]

Answer:

Step-by-step explanation:

5 0
3 years ago
Find the ratio of 18 and 30 reduced to simplest form...
saveliy_v [14]
First you'll take 18/2 which equals 9. Then 30/2 which equals 15. Then you can divide both 9 and 15 by 3. So 9/3 equals 3 and 15/3 equals 5. So the answer is 3:5.
4 0
3 years ago
Read 2 more answers
Plz help with question 10
Sophie [7]
I believe D is correct
8 0
3 years ago
Select the correct answer from each drop-down menu. y = x2 + 2x − 1 y − 3x = 5 The pair of points representing the solution set
katen-ka-za [31]

ANSWER

(-2,-1)

(3,14)

EXPLANATION

The given system is

y =  {x}^{2}  + 2x - 1

y - 3x = 5

or

y = 3x + 5

Equate both of them:

{x}^{2}  + 2x - 1 = 3x + 5

This implies that,

{x}^{2}   - x - 6 = 0

(x - 3)(x + 2) = 0

x=-2 or x=3

When x=-2, y=y=3(-2)+5=-1

(-2,-1) is a solution.

When x=3 , y=3(3)+5=14

(3,14) is also a solution.

7 0
3 years ago
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