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Anon25 [30]
4 years ago
8

LINEAR, QUADRATIC, EXPONENTIAL REVIEW: QUESTION 3 Find the equation of the line that has a slope of 2 and passes through the poi

nt (1, 7).
Mathematics
1 answer:
Whitepunk [10]4 years ago
4 0

The point-slope form:

y-y_1=m(x-x_1)

We have

m=2,\ (1,\ 7)

Substitute:

y-7=2(x-1)\qquad|\text{use distributive property}\\\\y-7=2x-2\qquad|+7\\\\y=2x+5\qquad|-5\\\\y-5=2x\qquad|-y\\\\2x-y=-5

<h3>Answer:</h3><h3>point-slope form: y - 7 = 2(x - 1)</h3><h3>slope-intercept form: y = 2x + 5</h3><h3>standard form: 2x - y = -5</h3>
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Grace has to remember a total of 108 measures of
Lemur [1.5K]

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Answer:

  52 measures

Step-by-step explanation:

Let s represent the length of the second song. Then the first song's length is 108 -s, and the difference in length is ...

  (108 -s) -(s) = 4

  108 -2s = 4 . . . .collect terms

  54 -s = 2 . . . . divide by 2

  52 = s . . . . . add s-2

Grace's second song is 52 measures long.

7 0
3 years ago
Mr. Ramos invests $500 at a simple interest rate of 6%. How much interest will he earn in six months?
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Hope this helps. Answer will be on the image.

6 0
4 years ago
F(x) = Square root of x plus eight.; g(x) = 8x - 12 Find f(g(x))
Liono4ka [1.6K]
f(x)= \sqrt{x+8} \Rightarrow f(g(x))= \sqrt{(8x-12)+8} = \sqrt{8x -4}
7 0
3 years ago
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A hairdresser is deciding where to open her own studio. If the hairdresser chooses Location A, she will pay $1200 per month in r
Ymorist [56]
She will need to cut 26.6 haircuts a month a location A to break even (1200/45 = 26.6) so roughly 27 haircuts to make a profit


She will need to cut 30 haircuts at location B to break even (1800/60 = 30) and 31 hair cuts to see a profit.


She will need to cut 30.67 haircuts at location A and 33 haircuts at location B to make the same profit at either location (Roughly $180).


30.67 x 45 = 1380.15 - 1200 = 180

33 x 60 = 1980 - 1800 = 180
7 0
3 years ago
3. (2, 4), (-2, 2), (2, ο)<br> Is this set of numbers a function or not a function?
WINSTONCH [101]

Answer:

not a function

Step-by-step explanation:

This is not a function

The input 2 goes to two different outputs

2 goes to the output of 4 and the output of 0

This makes it a relation and not a function

6 0
3 years ago
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