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shusha [124]
4 years ago
13

Hailey is going to use a computer at an internet cafe. The cafe charges an initial fee of $8 to use the computer and then an add

itional price per minute of usage, t representing time. The cost goes up to $14 after 5 minutes of usage. Make an equation of y=mx+b.
Mathematics
1 answer:
zhuklara [117]4 years ago
7 0

Answer: y=14x+8

Step-by-step explanation: since 8 never changes and is the initial fee it is b and 14 is repeating so it is m

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Makayla is moving and must rent a truck. There is an initial charge of $40 for the rental plus a fee of $3 per mile driven. Writ
Sergeeva-Olga [200]

Answer:

C(m) = $(40+3m)

Step-by-step explanation:

In this question, we are asked to write an equation representing the total cost of renting a truck by Makayla.

We proceed as follows;

Form the question, we can deduce that there is an initial cost of $40 and a rental fee of $3 per mile driven.

Now, we were made to know that she had driven m miles. We now calculate the rental fee for this m miles she has driven. Mathematically, we only need to find the product here. The rental fees for the m Miles traveled would be m * 3 = $3m

Now the total cost C(m) would be = $40 + $3m or simply C(m) = $(40+3m)

7 0
4 years ago
Paul invested three times as much money in the account paying 5% interest then he did in an account paying 4% of the total inter
noname [10]

Given

Paul invested three times as much money in the account paying 5% interest then he did in an account paying 4%.

Total interest paid was $475

Find out  he invest in each.

To proof

Let us assume that Paul invested  in an account paying 4% be = x

As given in the question

Paul invested three times as much money in the account paying 5% interest then he did in an account paying 4%.

Let us assume that Paul invested  in an account paying 5% be = 3x

Total interest paid = $475

First convert 4% in the decimal form

=\frac{4}{100}

= 0.04

First convert 5% in the decimal form

=\frac{5}{100}

= 0.05

Than the equation become in the form

0.04x + 0.05 × 3x = 475

0.04x + 0.15x = 475

0.19x = 475

x = $2500

Paul invested  in an account paying 4% be = $2500

Paul invested  in an account paying 5% be = $7500

Hence proved






5 0
3 years ago
Numbers 15-16 triangles, "Identify similar figures and find missing lengths"
Arisa [49]
15. 
Rectangles A and B are not similar, because 3/2.5 is 1.2, while 5/4.5 is about 1.1. This means that the two rectangles cannot be increased or decreased by any scale factors to equal each other. Rectangles A and C are not similar, because 3/10 is 0.3, while 5/18 is about 2.8. Rectangles B and C, however, are similar, because 2.5/10 is 0.25, and 4.5/18 is 0.25 as well. This means that Rectangle B can be increased using a scale factor of 4 to make it equal to Rectangle C.

16.
Yes. All squares are similar because, by definition, all the sides of a square are the same. This means that there is only one value to consider when finding out whether or not another square is similar to it. All numbers are divisible by another number, even if the quotient is a decimal, meaning that all squares are similar.
5 0
3 years ago
Refrigerators-’N-More sells appliances with a 20% markup from their purchase cost. Alice makes a 5% commission rate on her daily
Brut [27]

The price of the washer and the dryer set is $720.

The commission earned by Alice is $36.

<h3>What is the price of the washer and dryer set ? </h3>

Percentage can be described as a fraction an amount expressed as a number out of hundred. Percentage is a measure of frequency.

Price after the mark up = ( + percentage mark up) x cost price

(1  + 0.20) x $600  = $720

Commission earned by Alice = 5% x 720 = $36

To learn more about percentages, please check: brainly.com/question/25764815

#SPJ1

3 0
2 years ago
How can I solve 3x+6y=19? I need help!
const2013 [10]
You bring the numerals on to the other side of the equation, therefore dividing 19 by 3 and 6.
3x + 6y = 19
3x + y = 19/6
x + y = 3.17/3
x + y = 1.1
7 0
4 years ago
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