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kogti [31]
2 years ago
14

What is the slope of the line whose equation is 2x+3y = -12?

Mathematics
1 answer:
luda_lava [24]2 years ago
6 0

Answer:

slope = - \frac{2}{3}

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

2x + 3y = - 12 ( subtract 2x from both sides )

3y = - 2x - 12 ( divide all terms by 3 )

y = - \frac{2}{3} x - 4 ← in slope- intercept form

with slope m = - \frac{2}{3}

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What is equivalent to the product (x-4) (x+9)
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Answer:

x^2+5x-36

Step-by-step explanation:

x^2+9x-4x-36

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2 years ago
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James has x sweets. Tom has 5 more than James. Write an expression for the number of sweets
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Answer:

X+5=y

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Carlos is building a screen door. He height of the door is 1 foot more than twice the width. What is the width of the door if th
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Answer:

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Step-by-step explanation:

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2 years ago
Write an inequality for each situation.
pickupchik [31]

Answer:

A. 56-6m<20

B. 2.95b+28<450

13. Less than, greater than, going over or not going over.

Step-by-step explanation:

A. The answer to the first question can be simple. If she can scan 6 photographs per minute, then we would write the inequality 56-6m<20, since we are subtracting 6 from 56 every minute, we would write 6 per minute as 6m, and subtract that from 56. Lastly, since it says <u>less than</u>, we need to put the less than symbol, the mouth facing towards the 20 as the greater number.

B.  If she has spent 28, that means that we put -28 on the equation as a constant. Then, we put the price times the number of batteries she bought, or 2.95b, and put a less than symbol, since we want to spend less than the 450 gift card. So the equation would be 2.95b+28<450

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Hope this helps! :D

5 0
3 years ago
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