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vivado [14]
3 years ago
13

Y=-5x i ned help i forgot how to do this i really forgot and im in clas with my laptop

Mathematics
1 answer:
Galina-37 [17]3 years ago
3 0

When you're graphing a line in slope-intercept form (y = mx + b), your first step is to look at b, which is your y-intercept. The y-intercept is where your line touches the y-axis.

Slope-intercept form is y = mx + b, but for y = -5x doesn't have a b, so you have to add one. You can do this by adding + 0 to the end, since it won't change your equation.

y = -5x + 0

b = y-intercept = 0

m = slope = -5

So, your line will start at 0 on the y-intercept, which will be at the origin point (0,0).

Your slope is -5, or \frac{-5}{1}, so you'll go down 5 and then to the right 1.

A few points on your line should be (0,0), (1,-5), and (-1,5).

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LuckyWell [14K]

Answer:

supplementary angles - two angles are supplementary when they add up to 180 degrees (a straight line)

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hopefully this helps! :)

3 0
3 years ago
Read 2 more answers
What is the result ?
yuradex [85]

Answer:

5+0=5 5+1+0=6 56

4+2=6 3+4+2=9 69

2+1=3 6+2+1=39

or

Step-by-step explanation:

there are 2 ways

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3 years ago
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Brianna is 2 years less than 4 times the age of Zack. If Zack's age in years is y, which expression represents Brianna's age?
alukav5142 [94]
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8 0
3 years ago
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Manila walked 4 miles an hour and arrived home in 30 minutes. Her sister ran 6 miles an hour, how long did it take for her to ge
dsp73

Answer:

20 minutes

Step-by-step explanation:

Manila walked home in 30 minutes. She walks 4 miles an hour. Since 30 minutes is half an hour then its half the distance of the rate. 4/2 = 2 miles. This means home is 2 miles away.

Since her sister runs 6 miles an hour, the time it took her will be for only 2 miles. So 6 miles divided into 3 is 2. An hour divided by 3 = 20 minutes. This means her sister travels home 2 miles in 20 minutes.

4 0
4 years ago
If you invest $1250 in an account that earns 6% compounded quarterly, the amount you will have in the account, S(x), after x yea
kirza4 [7]

well, we know what S(x) is, since it's given, so, after , is simply a matter of x = 2,4,6,8,10, so

\begin{array}{llrll} S(2)=1250(1.015)^{4(2)}&\implies &S(2)\approx 1408.12\\ S(4)=1250(1.015)^{4(4)}&\implies &S(4)\approx 1586.23\\ S(6)=1250(1.015)^{4(6)}&\implies &S(6)\approx 1786.88\\ S(8)=1250(1.015)^{4(8)}&\implies &S(8)\approx 2012.91\\ S(10)=1250(1.015)^{4(10)}&\implies &S(10)\approx 2267.52 \end{array}

well, the tell-tale for Growth or Decay is the parenthesized term, namely the "rate of change", if it's greater than 1 is Growth, if it's less than 1 is Decay, in this case is greater than 1, is 1.015, so well, you know.

from 4 years to 10 years, how much more in interest?

well, first off let's take off the Principal of 1250 to see how much is in interest, hmmm for 4 years that'll be <u>336.23</u> and for 10 years that'll be <u>1017.52</u>, so their difference is about 681.29.

what does the S-intercept mean?  Check the picture below.

when the graph touches the y-axis or S-axis if you wish, the time is 0 and the amount is, well, you can see it there.

3 0
2 years ago
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