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geniusboy [140]
3 years ago
5

The function below can be used to calculate the cost of making a long distance call, f(m), which is based on a $2.50 initial cha

rge and a fee of $.12 per minute, m, that the call lasts.
f(m)=2.5+0.12m

If Natalie paid $6.82 for one call, how many minutes long was it?
Mathematics
1 answer:
Tpy6a [65]3 years ago
6 0

Answer:

she was on a call for 36 minutes

Step-by-step explanation: 6.82-2.5= 4.32 4.32/.12= 36

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Marking as brainliest !!!!!
Svet_ta [14]

Answer:

Slope= -9

Step-by-step explanation:

To find the slope, you need to find two points on the line, so it would be (-1,4) and (0,-5)

You can use the formula and substitute the coordinates

Y2-Y1/X2-X1

so...

-5-4/0-(-1)

-9/1=-9

or you can find the distance between both points and simplify if needed.

So you move 9 down, and one to the right

6 0
3 years ago
Read 2 more answers
PLEASE HELP ME OUT !!! WILL APPRECIATE IT SO MUCH !!
mash [69]
Start with the general formula. The key word is difference. So the general formula is 

D(x) = W(x) - R(x) Now substitute in the values for W(x) and R(x)
D(x) = 0.002x^3 - 0.01x^2 - (x^2 - 4x  + 13) Be very careful about the sign in front of the brackets.

D(x) = 0.002x^3 - 0.01x^2 - x^2 + 4x - 13 Do you see what that minus sign did? It affected all 3 terms.

D(x) = 0.002x^3 - 1.01x^2 + 4x - 13 <em>Note: -0.01 - 1x^2 = - 1.01 x^2</em>
That gives you a clear cut answer

C<<<<< answer.

That sign is the worst part of the question. Make sure you understand what it did.
4 0
3 years ago
Find the missing value:<br> -5 = -10 + ?<br><br> Use this to help:<br> -15 -10 -5 0 5 10 -15
Goryan [66]

Answer:

5 is the answer

Step-by-step explanation:

-10 + 5 = -5

7 0
3 years ago
. 6x - 5x + x - 3 + 2x
Serjik [45]

Answer:4x

Step-by-step explanation:6x - 5x = 1x + x = 2x + 2x = 4x

7 0
4 years ago
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Please Help me PLLLEEEAAASSSEEEEE
-BARSIC- [3]

Answer:

A quadrilateral become square if all the sides joining the co-ordinate of quadrilateral is equal

Step-by-step explanation:

Here the given co-ordinate of quadrilateral are

G (3, -1)                  O(1, -6)

L(-4, -4)                  F(-2, 1)

Line GF = \sqrt{(3+2)^2+(-1-1)^2}

       GF = \sqrt{29}

Similarly for line OG, OL, FL

      OG = \sqrt{(1-3)^2 +(-6+1)^2

      OG = \sqrt{29}

     

      OL = \sqrt{(-4-1)^2+(-6+4)^2}

      OL = \sqrt{29}

And

      FL = \sqrt{(-4+2)^} +(-4+1)^2

      FL = \sqrt{29}

all the sides of quadrilateral GF,  OG, OL, FL all equal to \sqrt{29}

As all the sides are equal so quadrilateral become square      Answer

3 0
4 years ago
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