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Sedaia [141]
3 years ago
5

Help me fast i have a hw......

Mathematics
1 answer:
shtirl [24]3 years ago
7 0

Answer:

7.c

8.g

16.f

17.a

Step-by-step explanation:

hope it helps

You might be interested in
Use the elimination method to solve the system of equations. Choose the correct ordered pair. 
kiruha [24]
5x+3y=58
5x-3y=22
(3y gets cancelled bc 3y-3y=0,  then add 5x with 5x, so you're left with)
10x=80, (divide both sides by 10)
x=8
Now we look for y. So choose one formula from the two (let's say 5x + 3y=58)
Substitute x for 8 so it will look like---- 5(8)+3y=58
Multiply 5*8--- so you get --  40+3y=58
Subtract 40 from both sides and you're left with 3y=18
divide both sides by 3
you get y=6
In conclusion, x=8 and y=6 hence, (8,6)


5 0
2 years ago
Read 2 more answers
X - x-2/6 = x-7/3 + 2/3
elena-s [515]
X-x-2/6=x-7/3+2/3
-2/6+7/3-2/3=x
x= -2/6+5/3
x= 8/6
x= 4/3
3 0
2 years ago
Which statements accurately describe the function f(x) = 3(718)"? Select three options.
babymother [125]

Answer:

Step-by-step explanation:

The range is y> 3.

4 0
2 years ago
Read 2 more answers
19 is 50% of what number
RSB [31]

If 19 is half (50%) of something, find that number you would just have to multiply 19 by 2.

This means that 19 is 50% of 38.

6 0
3 years ago
How do you factor quadratics by grouping
Kaylis [27]
Here's an example Its also call the 'ac' method:-

factor  2x^2 - 13x - 15

Multiply first coefficient by last number  which is 2*-15 = -30

Now we need 2 factors of -30 which will when added give - 13:-

-15 and 2  looks good. So we  can write:-

2x^2 - 13 x - 15

= 2x^2 + 2x - 15x - 15 

factor by grouping first 2 and last 2 terms , we get:-

= 2x(x + 1) - 15(x + 1)   

the x+1 is common so we have:-

(2x - 15)(x + 1)   Answer

Hope this helps.


5 0
3 years ago
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