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oksian1 [2.3K]
3 years ago
6

Evaluate the expression when a=-18 and b= -6 b to the power of 2 divided by a plus 4

Mathematics
2 answers:
tiny-mole [99]3 years ago
8 0

Answer:

a wanna

Step-by-step explanation:

KatRina [158]3 years ago
3 0
That would be 11 your welcome
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a box contains 5 plain pencils and 3 pens. a second box contains 4 color pencils and 4 crayons. one item from each box is chosen
kodGreya [7K]
I think it would be 9 out of 16. 
4 0
3 years ago
Which term describes the slope of the line below?
SashulF [63]

Answer:

B. Zero

Step-by-step explanation:

The slope of the line is in the the first two quadrants and is horizontal, meaning it has zero slope.

7 0
2 years ago
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Solve for W:<br><br> 69=5w+9
Trava [24]
To solve for w, you would take 9 and subtract that from the 69. after that you end up with 60=5w to find w, divide both sides by 5. 60 divided by 5 is 12, giving you your answer .
6 0
3 years ago
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Two cars leave at the same time from points A and B, the distance between them is 280 km. If the cars meet each other, they’ll m
kykrilka [37]
Set up the following equations:

2x + 2y = 280

14x - 14y = 280

x represents car A's speed, and y represents car B's speed.

We'll use elimination to solve this system of equations. Multiply the first equation by 7:

(2x + 2y = 280) * 7 = 14x + 14y = 1960

14x - 14y = 280

Combine both equations:

28x = 2240

Divide both sides by 28 to get x by itself:

x = 80

The speed of car A is 80 mph.

Since we now know the value of one of the variables, we can plug it into the first equation:

2(80) + 2y = 280

160 + 2y = 280

Subtract 160 from both sides.

2y = 120

Divide both sides by 2 to get y by itself:

y = 60

The speed of car B is 60 mph.

7 0
4 years ago
Solve the following system y=-2 -2x-7y=24
Dafna1 [17]

Answer:

x = -5

y = -2

Step-by-step explanation:

<em><u>Since you have y, plug that into the equation:</u></em>

-2x - 7y = 24

-2x - 7(-2) = 24

-2x + 14 = 24

<u><em>Then, subtract 14 from both sides:</em></u>

-2x + 14 = 24

      - 14   - 14

__________

-2x = 10

<u><em>Finally, divide both sides by -2:</em></u>

-2x = 10

x = -5

So now you have, x = -5 and y = -2.

6 0
3 years ago
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