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tangare [24]
3 years ago
8

A cable company charges $50 for installation and $80 per month for service. Choose the equation that shows the total cost, c, in

dollars, where t stands for months.
A. c = 50 + 80 + t
B. c = 50t + 80
C. c = 80t + 50
D. c = (50 + 80) x t
Mathematics
2 answers:
koban [17]3 years ago
7 0

The correct option is C

Hope this helps

-AaronWiseIsBae

adoni [48]3 years ago
4 0
C
........................
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Math geometry show work Thanks
aev [14]

Problem 1, part (a)

<h3>Answer: False</h3>

For instance, 200 feet in real life can be reduced to scale down to say 2 inches on paper. So we have a reduction going on, and not an enlargement.

====================================================

Problem 1, part (b)

<h3>Answer: true</h3>

This is because a scale drawing involves similar polygons. This is true whenever any dilation is applied.

====================================================

Problem 2

I'm not sure how your teacher wanted you to answer this question. S/he didn't give you any numbers for the side lengths of the polygon. The angle measures are missing as well.

4 0
2 years ago
Write the equation of the line that passes through the points (2,2) and (3,4)
Scrat [10]

9514 1404 393

Answer:

  y -2 = 2(x -2)

Step-by-step explanation:

The slope of the line is given by the slope formula:

  m = (y2 -y1)/(x2 -x1)

  m = (4 -2)/(3 -2) = 2/1 = 2

The point-slope form of the equation for the line is ...

  y -k = m(x -h) . . . . . . line with slope m through point (h, k)

For the first point and the slope we found, the equation is ...

  y -2 = 2(x -2)

__

You can rearrange this to any form you may like.

  y -2 = 2x -4 . . . eliminate parentheses

  y = 2x -2 . . . . . slope-intercept form

  2x -y = 2 . . . . . standard form

8 0
3 years ago
If x2 - y2 = 12 and x - y = 4, what is the value
ira [324]

Step-by-step explanation:

x²-y²=12

(x-y)(x+y)=12

but x-y=4

4(x+y)=12

x+y=12/4

x+y=3

lets make x the subject of the formula

x=3-y

since x-y=4

(3-y)-y=4

3-y-y=4

-2y=1

y=-1/2

then x=3-y

x=3-(-1/2)

x=(6--1)/2

x=7/2

therefore; x²+2xy+y

=(7/2)²+2×7/2×-1/2+(-1/2)

=49/4-7/2-1/2

=(49-14-2)/4

=33/4

=8.25

=8

6 0
3 years ago
5/10 points, 1 question ( no rude answers )
bagirrra123 [75]
The answer is b because all the points lie on the graph
3 0
3 years ago
Read 2 more answers
3x+4=7 solve equation with work.
MariettaO [177]
X=1
3+4=7
3x1=3
3+4 =6 so X =1
5 0
2 years ago
Read 2 more answers
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