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Misha Larkins [42]
3 years ago
7

Explain the steps for writing an equation of a line that passes through (4,7) and has a slope of 1/2

Mathematics
1 answer:
Marat540 [252]3 years ago
8 0

Answer:

The equation would be y = 1/2x + 5

Step-by-step explanation:

To find this equation, we start by using point slope form, and then plugging the slope in for m and the point in at (x1, y1).

y - y1 = m(x - x1)

y - 7 = 1/2(x - 4)

And now we solve for y.

y - 7 = 1/2(x - 4)

y - 7 = 1/2x - 2

y = 1/2x + 5

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x=-1

x=2

The axis of symmetry is where it splits evenly so, we can conclude it is less than 1 and bigger than 0. I hope this makes sense.

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Which polynomials are in standard form?
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3 years ago
Complete the following statement given: QXR=NYC a.QX= ? b. Y=?
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Answer:

                                                                                                                 

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3 0
3 years ago
Sally has twice as many dimes as nickels. The total value is $3.50 how many nickels and dimes does she have?
Murljashka [212]
D=2n
.05n+.1d=3.5
I multiplied the nickels and dimes by these values because that is their actual monetary value 
.05n=3.5-.1d
multiply everything by 20
n=70-2d
d/2=70-2d
.5d+2d=70 
2.5d=70
d=28 
n=14 
so there are <u>28 dimes and 14 nickels 
</u>
checking this answer 
28 dimes = $2.8
14 nickels = .70
2.8+.7=3.5

3 0
3 years ago
Read 2 more answers
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