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scoray [572]
3 years ago
9

The Martin family is comparing the costs of two different cable companies. Direct TV charges a

Mathematics
2 answers:
nikdorinn [45]3 years ago
6 0

Answer:

It would take 5.5 months for the two cable companies to cost the same.

Step-by-step explanation:

50x + 100 = 60x + 45

        -45               -45

50x + 55 = 60x

-50x            -50x

55 = 10x

/10    /10

x = 5.5

 

Korolek [52]3 years ago
4 0

Answer:

5.5 months

Step-by-step explanation:

Let m be the number of months that pass.

We can write an equation to resemble this problem [ 100 + 50m = 45 + 60m ]

Steps to solve:

100 + 50m = 45 + 60m

~Subtract 100 to both sides

50m = -55 + 60m

Subtract 60m to both sides

-10m = -55

~Divide -10 to both sides

m = 5.5

Best of Luck!

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The sum of two numbers is ten. the difference between them is 8 . find the two numbers
alexira [117]

x+y=10

x-y=8, x=y+8

y+8+y=10

2y=2

y=1

So, x=10-y=10-1=9.

Numbers Would be 9 and 1.


3 0
3 years ago
Are These Graphs Functions?<br><br>​
chubhunter [2.5K]
Number one is but number two is not

of more than 1 dot is on an “up and down” line then it’s not a function
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3 years ago
Easy points for fun whats 9 times 9
sleet_krkn [62]

Answer:

81

Step-by-step explanation:

8 0
3 years ago
Write an equation in slope-intercept form for the line that passes through (4,-3) and is parallel to the line described by y=1/2
Marat540 [252]

Given:

The point, (4, -3)

The line,

y=\frac{1}{2}x+5

To find an equation in slope-intercept form for the line that passes through (4,-3) and is parallel to the given line:

The slope of the line is,

m=\frac{1}{2}

Since the given line is parallel to the new line, so the slope will be same for the both.

Using the point-slope formula,

y-y_1=m(x-x_1)

Substitute the point and slope we get,

\begin{gathered} y-(-3)=\frac{1}{2}(x-4) \\ y+3=\frac{1}{2}x-2 \\ y=\frac{1}{2}x-2-3 \\ y=\frac{1}{2}x-5 \end{gathered}

Hence, the equation in slope-intercept form for the line is,

y=\frac{1}{2}x-5

8 0
1 year ago
Find the value of x.<br><br><br> A. 4.3<br> B. 2.7<br> C. 11.6<br> D. 13.9
kakasveta [241]

Answer:

<h2><u>[D] 13.9</u></h2>

Explanation:

  • <em>Pythagorean theorem: a² + b² = c²</em>
  • <em>Solve for hypotenuse (side x) using: c = √a² + b²</em>

12.8² + 5.3² = 191.93

√191.93

= 13.8538803229

<em>Round the answer</em>

13.9

6 0
3 years ago
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