1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kvasek [131]
1 year ago
7

Please help I am so confused

Mathematics
1 answer:
Ede4ka [16]1 year ago
7 0

The total cost when 881 minutes is used is $477.50.

<h3>What are the equation that model the question?</h3>

a + 480b = 277 equation 1

a + 990b = 532 equation 2

Where:

  • a = flat fee
  • b = variable fee

<h3>What is the flat fee and the variable fee?</h3>

Subtract equation 1 from equation 2

510b = 255

b = 255 / 510

b = $0.50

In order to determine the flat fee, substitute for b in equation 1

a + 480(0.5) = 277

a + 240 = 277

a = 277 - 240

a = $37

<h3>What is the total cost when 881 minutes is used?</h3>

Total cost = flat fee + (variable cost x number of minutes spoken)

$37 + (881 x 0.5) = $477.50

To learn more about simultaneous equations, please check: brainly.com/question/25875552

#SPJ1

You might be interested in
2 tens plus 13 ones
Anton [14]

Hello from MrBillDoesMath!

Answer:

33

Discussion:

2 tens = 2 * 10 = 20

13 ones = 13 * 1  13

=> 2 tens + 13 ones  = 20 + 13 = 33

Thank you,

MrB

3 0
3 years ago
Read 2 more answers
Use exterior angles to show that the angle sum of quadrilateral PQRS is 360°.​
Shkiper50 [21]

Answer:

I don't really know but one triangle is 180 degrees so two added together is 360 degrees...

but ohh I remembered

a=c+d (since a+b=180 and c+d+b=180)

e=g+h (since e+f=180 and g+h+f= 180)

and the fact is that c+d+g+h+b+f=the angle sum of quadrilateral PQRS

a+e+b+f= the angle sum of quadrilateral PQRS (by substitutions)

a+e+b+f=360 (four angles are from one origin so it's 360 degrees )

8 0
3 years ago
Which answer describes the type of sequence? 3,4,5,6,...
In-s [12.5K]

Answer:

Arithmetic Sequence

Step-by-step explanation:

we know that

In an <u><em>Arithmetic Sequence</em></u> the difference between one term and the next is a constant, and this constant is called the common difference

we have

3,4,5,6,...

Let

a_1=3\\a_2=4\\a_3=5\\a_4=6

a_2-a_1=4-3=1

a_3-a_2=5-4=1

a_4-a_3=6-5=1

so

the difference between one term and the next is a constant

The common difference is equal to 1

This is an Arithmetic Sequence

6 0
3 years ago
Lisa walked 8 km more than Tim. Lisa walked twice as far as Tim. How far did each walk?
olchik [2.2K]
Lisa walked 16 tim walked 8
4 0
3 years ago
What is an statistics
Vlad [161]

Hello There!

Statistics is a tool used to help people process, summarize, analyze and interpret data for making better decisions.

It helps us with future events if we know what has happened in past.

Helps us make better decisions.

The better we know about the future of an outcome, the more possibility we have to work around it.

7 0
2 years ago
Other questions:
  • X/2+5x−7 when x=2.<br> Solve please.
    8·1 answer
  • Suppose a jar contains 7 red marbles and 21 blue marbles. if you reach in the jar and pull out 2 marbles at random at the same t
    12·2 answers
  • Find the exact value expression. tan^-1 (0)
    13·2 answers
  • What integer is equivalent to 9 3/2
    7·2 answers
  • WHAT IS THIS ANSWER ASAP!!!
    13·2 answers
  • The doctor has told Cal O'Ree that during his ten weeks of working out at the gym, he can expect each week's weight loss to be $
    14·1 answer
  • Which of the following ordered pairs are solutions to the system of equations below?
    5·2 answers
  • The y-intercept for the line defined by {y + 3 = 3(x + 3) }is (0, y). What is<br> the value of y?
    11·1 answer
  • a group of students went hiking in wildlife sanctuary. during the hike a total of 180 ticks and mosquitoes were slapped. if thes
    14·1 answer
  • Tell which property is illustrated by the statement. 3+z=z+3
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!