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Fittoniya [83]
3 years ago
9

Use the substitution method to solve each linear system. 4x - 3y = -13,-2x + y = 4

Mathematics
1 answer:
alisha [4.7K]3 years ago
6 0

Answer:

Step-by-step explanation:

(X,Y)=(-55/2,-38

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Rewrite equation in slope intercept form 3x+5y=12
pochemuha

Answer:

y= -3/5x + 12/5

Step-by-step explanation:

6 0
3 years ago
Find the value of x for which ABCD must be a parallelogram.
Inessa [10]
Hey there!

You can tell that the two angles are congruent because of the arc. So make the two angles each other.
3x-17=25-3x. Add 3x to each side. You get 6x-17=25. Add 17 to each side to get 6x=42. Divide each side by 6. You get x=7. So the value of x would be 7.

I hope this helps!
3 0
3 years ago
Which of the binomials below is a factor of this trinomial?<br> 4x2 + 21x + 5
guapka [62]

Answer:

B.  4x + 1

Step-by-step explanation:

4x^2 + 21x + 5

= (4x + 1)(x + 5)

Factors of this trinomial are (4x + 1) and (x + 5)

Answer

(4x + 1)

8 0
3 years ago
What is the slope of the line that contains the points (-1, 2) and (4, 3)?
Vika [28.1K]

Answer:

Slope: 1/5

Step-by-step explanation:

-1,2

4,3

-1 - 2 = -1

-1 - 4 = -5

-1/-5 = 1/5

6 0
3 years ago
Solve The Equation, Check Your Answer 15=7x+1-5x
Morgarella [4.7K]
15=7x+1-5x


Put like terms together. ( group anything alike)

15+1=16

7x-5x=2x

16 2x
—- ——-
2x 2x


2x/2x cancels itself out.

16 divided by 2 is 8

x=8

I hope this helped!
5 0
3 years ago
Read 2 more answers
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