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svet-max [94.6K]
3 years ago
7

What is the x-intercept of the line with the equation 1/2x + y= -15 ? Please help

Mathematics
1 answer:
Alenkinab [10]3 years ago
6 0
First you would try to get the y variable by itself which you can do by subtracing 1/2x on both side. The equation would be y=-1/2x-15. You would then plug this into your graphing calculator and get the answer. If you do not have one, the x-intercept would be (0,-15) and the y-intercept would be (-30,0)
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ololo11 [35]

Answer:

We saw in the last video that when you multiply or you divide numbers, or (I guess I should say when you multiply or divide measurements) your result can only have as many significant digits as the thing with the smallest significant digits you ended up multiplying and dividing. So just as a quick example, if I have 2.00 times (I don't know) 3.5 my answer over here can only have 2 significant digits This has 2 significant digits, this has 3. 2 times 3.5 is 7, and we can get

4 0
2 years ago
Which ordered pair is a solution to the equation 3x-3y=21
katovenus [111]
The answer would be (5, -2). This is because when you plug in the respective values in for x and y into the equation 3x - 3y = 21, you get 21, which is the desired answer.
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Hope this helped!
3 0
3 years ago
Read 2 more answers
Write an equation for the line in slope-intercept form
choli [55]
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4 0
3 years ago
What is the slope of the line graph in this picture?
MrMuchimi

Answer:

-5/4

Step-by-step explanation:

y2 - y1

x2 - x1

________

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7 0
3 years ago
A scientist measure change in the temperature of chemical solution at the start of the experiment , the solutions is at temperat
zhannawk [14.2K]

Answer:

The temperature of the chemical solution after t hours is -14.96-2.9t\;^{\circ}C

Step-by-step explanation:

Given that the initial temperature of the chemical solution, T_0= -14.96^{\circ}C.

The rate of decreasing temperature, R = 2.9^{\circ}C/ hour

So, after t hours, the temperature of the chemical solution will decrease by Rt=2.9t^{\circ}C.

So, the temperature of the chemical solution after t hours,

T=T_0-Rt \\\\\Rightarrow T = -14.96-2.9t\;^{\circ}C

Hence, the temperature of the chemical solution after t hours is -14.96-2.9t^{\circ}C.

4 0
2 years ago
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