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rosijanka [135]
3 years ago
5

Which line has an y-intercept of -2

Mathematics
1 answer:
DiKsa [7]3 years ago
7 0
The y-intercept is found when x is set to 0.

Set x to equal 0 for both equations:

3(0) - 2y = -6
-2y = -6

Divide both sides by -2:

y = 3

The y-intercept of this equation is 3, so the first line does not have the y-intercept of -2.

-
0 + 2y = -2
2y = -2

Divide both sides by 2:

y = -1

The y-intercept of this equation is -1, so the second line does not have the y-intercept of -2.

Neither line has a y-intercept of -2.

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Of the following sets, which numbers in {1, 2, 3, 4, 5} make the inequality 3x + 1 > 4 true?
Kazeer [188]
The answer is 2,3,4,5  hope that helps
5 0
3 years ago
A gift shop sells 140 wind chimes per month at $90 each. The owners estimate that for each $5 increase in price, they will sell
guapka [62]

Answer: $95

Step-by-step explanation:

Te new price will be 90 + 5x, if the price increases "x" times

The number of wind chimes sold per month will become 140 - 7x

\begin{aligned}&\text {Revenue, } \mathrm{R}(\mathrm{x})=(90+5 \mathrm{x})(140-7 \mathrm{x}) \\&R^{\prime}(x)=5(140-7 x)-7(90+5 x) \\&R^{\prime}(x)=700-35 x-630-35 x \\&R^{\prime}(x)=70-70 x=0 \\&70 x=70 \\&x=1\end{aligned}

Therefore, if the price becomes (90 + 5(1)) = $95 per wind chime, then the revenue will be maximum

6 0
2 years ago
Express this in standard form 5.4×10^1​
Naily [24]
Well it would just be 54 since you just need to move the decimal over by 1.

So 5.4x10= 54
7 0
3 years ago
A small box measures 7 in. by 10 in. by <br> 3/4 in. high. Find the volume of the box.
vitfil [10]

Answer:

Volume = 52.5

Step-by-step explanation:

volume of a rectangular 3d shape can be calculated by length*width*height. In this case:

7*10*0.75 = 52.5

8 0
3 years ago
(03.08A)
DiKsa [7]

Answer:

4 + (-5)

Step-by-step explanation:

4 - 5 = 4 + (-5) = -1

Additive inverse of 5 = (-5)

6 0
2 years ago
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