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Anna007 [38]
3 years ago
15

At a collage bookstore Clara purchased a math textbook and a novel that cost a total of $54 not including tax if the price of th

e math textbook m is $8 more than 3 times the price of the novel n which system of linear equations could be used to determine the price of each book
Mathematics
1 answer:
diamong [38]3 years ago
3 0

Answer:

m+n=54 and m=3n+8 is the system of equations that could be used to determine the price of each book.

Step-by-step explanation:

Given,

Total cost of maths book and novel = $54

Let,

Cost of maths book = m

Cost of novel = n

According to given statement;

m+n=54      Eqn 1

the price of the math textbook, m, is $8 more than 3 times the price of the novel

m = 3n+8     Eqn 2

m+n=54 and m=3n+8 is the system of equations that could be used to determine the price of each book.

Step-by-step explanation:

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95% of people in my street have a car. There are 160 people in my street. how many do not have a car?
Over [174]

Answer:

8 people on your street do not have a car.

Step-by-step explanation:

So we know that 95% of people have a car. There are 160 people on your street and your are trying to find out how many people do not have a car.

If 95% of people have a car, then 100% - 95% of people, or 5% of people, do not have a car. Using this we can find how many of the 160 people on your street do not have a car. To do this, we would multiply the percent of people who do not have a car (5%, or 0.05) by the number of people on your street (160).

5% × 160 = 0.05 × 160 = 8

8 people on your street do not have a car.

I hope this helps. :)

7 0
3 years ago
Johnston Road 1.05 miles on Friday 1.5 miles on Saturday 1.25 miles on Monday and 1.1 miles on Tuesday on what day did he ride t
IRISSAK [1]
He rode the shortest distance on Friday.
5 0
3 years ago
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Subtract a + 3 ​​from​ 3a−5 .<br><br> Enter your answer in the box.
S_A_V [24]
(3a-5) - (a+3)
Subtract a from 3a while subtracting 3 from 5
Final Answer: 2a - 8
6 0
4 years ago
Please help don’t get it
Romashka-Z-Leto [24]

Answer:

A

Step-by-step explanation:

One complete turn is 1 perimeter (aka circumference).

We have to find the length it turned, hence, its circumference.

The formula for circumference (C) of a circle is:

C=2\pi r

Where r is the radius

The radius is HALF of diameter. Given diameter is 250, the radius is:

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Now, substituting in formula we have:

C=2\pi r\\C=2\pi (125)\\C=250\pi\\C=785.4

So, it turned 785.4 feet with 1 rotation.

The correct answer is A

4 0
4 years ago
90,000 and 10,000,000 added to a number is 10,239,548. what is the number?
amm1812

Answer:

149,548

Step-by-step explanation:

10,239,548

-10,000,000

-90,000

---------------

149,548

7 0
3 years ago
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