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Vikki [24]
3 years ago
12

Solve the system of equations using elimination.

Mathematics
1 answer:
AveGali [126]3 years ago
8 0

Answer:

q= 6

r= 7

Step-by-step explanation:

Multiply 1st column by -2:

-30q+8r=-124

5q+8r=86

Subtract 2nd column from the first column:

-35q= -210

Solve for q:

q=6

Subtract q=6 by any of the two equations, so:

-30q+8r=-124

-30*6+8r=-124

Solve for r:

r=7

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In the x-y plane, what is the y- intercept of the graph of the equation y=6 (x-1/2) (x+3)
Ivenika [448]

The y-intercept on the x-y plane is (0, -9).

<h3 /><h3>How to get the y-intercept?</h3>

To get the y-intercept we just need to evaluate in x = 0.

Here we have:

y = 6*(x - 1/2)*(x + 3)

Evaluating the given equation in x = 0 we get:

y = 6*(0 - 1/2)*(0 + 3) = -9

Then the y-intercept on the x-y plane is (0, -9).

If you want to learn more about y-intercepts:

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6 0
2 years ago
Directions: Write an integer to model each situation.
Leni [432]

Step-by-step explanation:

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8 0
3 years ago
Simplify (3x^2)^6 PLZ I NEED IT FAST! I WILL GIVE BRAINLIEST!
Levart [38]

Answer:

729x^12

Step-by-step explanation:

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5 0
3 years ago
NEED HELP!
MissTica

Answer:

The rate of change is  

6.2  ×  10^{-3}   ms^{-1}  =  0.37 \frac{m}{min}  

Answer ^ ^ ^ ^ ^ ^ ^

Explanation: it broke itself

6 0
3 years ago
A) 470 sq units
Sunny_sXe [5.5K]

Answer:

The answer to your question is the letter A) 470 u²

Step-by-step explanation:

Data

HJ = 32

KL = 15

height = 20

Formula

Area of a trapezoid = (long base + small base) height / 2

Substitution

Area of a trapezoid = (32 + 15)20/2

Simplification

Area of a trapezoid = (47)(10)

Result

Area of a trapezoid = 470 u²

7 0
3 years ago
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