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tigry1 [53]
3 years ago
9

Jina Purchase a prepaid phone card for $15. Long distance sells cars $.23 a minute using this card. Do you use your card only wa

nts to make a long distance call. If the remaining credit on her card is $10.86, how many minutes did her call last?
Mathematics
1 answer:
Nat2105 [25]3 years ago
6 0
47.21 minutes if I read the question right
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12. Find the slope and y-intercept of the line. y= 1/5x-8
eduard

Hello and Good Morning/Afternoon:

<u>Let's take this problem step-by-step</u>:

<u>What does the problem want us to find:</u>

  • slope
  • y-intercept

<u>Let's gather the information</u>:

  ⇒ the information given: y = 1/5 x - 8

        ⇒ the line is in <u>slope-intercept form</u>

            ⇒ means:

                     ⇒ coefficient in front of 'x' is the slope

                     ⇒ constant is the y-intercept

  • slope is 1/5
  • y-intecept is -8

<u>Answer:</u>

  • <u>Slope is 1/5</u>
  • <u>y-intercept is -8</u>

<u></u>

Hope that helps!

#LearnwithBrainly

7 0
2 years ago
The length of a window in Andrew’s house is 4 feet and its height is 3 feet. What is the diagonal length of the window?
NikAS [45]
The solution for this problem is:
To get the diagonal length of a square,  multiply the length of one side by the square root of 2:If the length of one side is x.
length of diagonal = x √2
length of a diagonal = 4√2
length of a diagonal = 5.6569 feet
4 0
3 years ago
Write an that
lawyer [7]

Answer:

y = 25x

Step-by-step explanation:

Given

Rate = 25

Required

Cost of x pounds

To do this we simply multiply x by the rate

y =Rate * x

y = 25 * x

y = 25x

7 0
3 years ago
Write an equation in slope intercept form thag passes through (4,-4) and is parallel to 3+4x=2y-9
uysha [10]

The original line is

4x - 2y = -12

The parallel lines will all be

4x - 2y = constant

and the constant is given by the point directly:

4x - 2y = 4(4) - 2(-4) = 24

2y = 4x - 24

y = 2x - 12

Answer: y = 2x - 12


7 0
3 years ago
Read 2 more answers
What is the x-intercept of the equation 2x-6y=12?
irina1246 [14]
<span>x-intercept y = 0 then
2x = 12
x = 6</span>
7 0
3 years ago
Read 2 more answers
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