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dsp73
3 years ago
10

Haley pays a monthly fee of $20 for her cell phone and then pays 5 cents per minute used. The cost of Haley’s cell phone bill ca

n be expressed by the function C(m) = 0.05m + 20, where m is the number of minutes used. What are the domain and range of the function C(m)?
Mathematics
2 answers:
madam [21]3 years ago
8 0
The domain of the function is any positive real number and the range is any positive real number.
svetoff [14.1K]3 years ago
7 0

Answer:

A

Step-by-step explanation:

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The given equation is either linear or equivalent to a linear equation. solve the equation. (if there is no solution, enter no s
murzikaleks [220]
2x+12=33
2x=21
x=10.5
The answer is 10.5
6 0
3 years ago
The pendulum of an antique clock has been damaged and needs to be replaced.If the original pendulum completed one swing every 1.
baherus [9]

Answer:

The length of pendulum is 55.853cm

Step-by-step explanation:

We are given

the original pendulum completed one swing every 1.5 seconds

so, T=1.5 sec

now, we can use time period formula

T=2\pi \sqrt{\frac{l}{g} }

l is the length of pendulum

g is acceleration due to gravity

g=9.8m/s^2

now, we can plug values

and then we can solve for l

1.5=2\pi \sqrt{\frac{l}{9.8} }

\frac{l}{9.8}=0.05699

l=0.55853m

In cm

l=55.853cm

3 0
3 years ago
Enter the correct answer pls help​
Phoenix [80]

Answer:

\huge\boxed{\sf x = 8a}

Step-by-step explanation:

\sf \frac{3}{a} x - 4 = 20\\\\Add \ 4 \ to \ both \ sides\\\\\frac{3}{a} x = 20+4\\\\\frac{3}{a} x = 24\\\\Multiply \ both \ sides \ by \ a\\\\3x = 24 * a\\\\Divide \ 3 \ to \ both \ sides\\\\x = 24a / 3\\\\x = 8a\\\\\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
4 0
3 years ago
Quickkk please help and how all work<br><br> y = x +4<br> 2x - y = 6
Sati [7]
Y is 6 and x is 2 I have shown my work in the picture pls ask any questions

3 0
3 years ago
What is the name of the two types of graph relationships?
GrogVix [38]

Answer:

Step-by-step explanation:The formal term to describe a straight line graph is linear, whether or not it goes through the origin, and the relationship between the two variables is called a linear relationship. Similarly, the relationship shown by a curved graph is called non-linear.

4 0
3 years ago
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