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s2008m [1.1K]
2 years ago
13

For his phone service, Bob pays a monthly fee of $30, and he pays an additional $0.05 per minute of use. The least he has been c

harged in a month is $91.45.
What are the possible numbers of minutes he has used his phone in a month?
Usem for the number of minutes, and solve your inequality for m.

Mathematics
1 answer:
Vesnalui [34]2 years ago
5 0

Answer:

m ≥ 1229

Step-by-step explanation:

Use m for the number of minutes

30 + 0.05×m ≥ 91.45

0.05*m ≥ 91.45-30

0.05*m ≥ 61.45

m ≥ 1229

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Match the slope and y-intercept with the correct linear equation. Question 1 options: m = -2, b = 3 m = 23, b = -25 m = 3, b = 5
scoray [572]

Answer:

  • m = -2,\ b = 3 → Equation 2 (y =-2x+3)
  • m =23,\ b =-25 → Equation 3 (y=23x - 25)
  • m = 3,\ b = 5 → Equation 1 (y=3x + 5)

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope of the line and "b" is the y-intercept.

Knowing this,  and having the equations provided in the exercise, you can identify the slope and  the y-intercept of each line.

- In Equation 1:

y=3x + 5\\\\\\m=3\\b=5

 - In Equation 2:

y =-2x+3\\\\\\m=-2\\b=3

 - In Equation 3:

y=23x - 25\\\\\\m=23\\b=-25

3 0
3 years ago
Lines b and care parallel.
Nastasia [14]

Step-by-step explanation:

5x+9 + 13x+9 = 180

18x+18= 180

divided by 18

x+1 = 10

x = 9

therefore, m <em>L</em><em> </em>6 = 5x+9

= 5(9)+9 = 54° (second option)

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3 years ago
Arnold needs to simplify the expression below.
Angelina_Jolie [31]
I believe it should be 0.5 x 7 as that is in a bracket and you have to deal with the bracket first before dealing with numbers outside the bracket.
4 0
3 years ago
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Choose the missing digit of these equivalent fractions.
jok3333 [9.3K]

Answer:

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Find t10 for the geometric sequence.<br> Please help!
Ksivusya [100]

Answer:

Step-by-step explanation:

Common ratio r = 2

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3 years ago
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