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natali 33 [55]
3 years ago
7

Find the solution of this system of equation 8x-4y=-32 -3x 4y=42

Mathematics
1 answer:
Art [367]3 years ago
3 0
What are the answers?

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The table below shows the number of school absences each day.
Vladimir79 [104]

Answer

A

Step-by-step explanation:

Did it on edge20202

4 0
3 years ago
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PLEASE HELP FIRST TO ANSWER GETS BRAINLIEST
joja [24]

Answer:

<u>C. 70</u>

Step-by-step explanation:

132/4

33+37

<u>70</u>

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3 years ago
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Expand and simplify:
kipiarov [429]

Answer:

  a) -3p +4q

  b) -6x +3y

Step-by-step explanation:

Use the distributive property to eliminate parentheses. Use the properties of arithmetic to combine the numbers.

__

<h3>a)</h3>

The order of operations tells you to start with the inner parentheses and work outward.

  -\dfrac{1}{3}(6(p+q)-3(p-2(p-3q)))=-\dfrac{1}{3}(6(p+q)-3(p+(-2)(p) +(-2)(-3q)))\\\\=-\dfrac{1}{3}(6(p+q)-3(p-2p+6q))=-\dfrac{1}{3}(6(p+q)-3(-p+6q))\\\\=-\dfrac{1}{3}((6)(p)+(6)(q)+(-3)(-p)+(-3)(6q))=-\dfrac{1}{3}(6p+6q+3p-18q)\\\\=-\dfrac{1}{3}(9p -12q)=(-\dfrac{9p}{3})+(-\dfrac{-12q}{3})=\boxed{-3p+4q}

__

<h3>b)</h3>

Same deal for the second expression: use the distributive property and combine like terms.

  y-\dfrac{2}{3}(9x-3y)=y+(-\dfrac{2\cdot9x}{3})+(-\dfrac{2(-3y)}{3})\\\\=y-6x+2y=\boxed{-6x+3y}

3 0
2 years ago
Find the distance between points M(-4,6) and N(10,-2). Round to the nearest tenth if necessary.
Allisa [31]
You have to use the distance formula
which is:√(x2-x1)+ (y2-y1)            (btw the whole equation is under the square root)

√(10- (-4) + (-2)- (-4)

√14+2
√16
4

7 0
3 years ago
Factor the following<br>X^2+3x+2<br>x^2+15x+50<br>​
Xelga [282]

Answer:

1) (x+1)(x+2)

2) (x+5)(x+10)

Step-by-step explanation:

You can factorize the quadratics equations by applying the proccedure shown below:

1) x^2+3x+2

Find two number whose sum is 3 and whose product is 2.

These would be 1 and 2.

Rewrite it as folowing:

(x+1)(x+2)

 2) x^2+15x+50

Find two number whose sum is 15 and whose product is 50.

These would be 5 and 10.

Therefore, you can rewrite it as folowing:

(x+5)(x+10)

8 0
3 years ago
Read 2 more answers
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