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Ratling [72]
3 years ago
5

Proportion Application

Mathematics
1 answer:
balu736 [363]3 years ago
3 0
Set up the proportions
\frac{3}{4.5}  =  \frac{825}{x}
Cross multiply
3x = 3712.5

Divide by 3
x = 1237.5

4.5 gallons would cover 1237.5 square feet
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Which one of the following numbers is an irrational number? A. 5.364 B. 123⁄455 C. 3.131131113… D. 8.234234…
Sonja [21]

Answer:

C and D

Step-by-step explanation:

They go on forever like pi.

3 0
4 years ago
Read 2 more answers
Faiz's total online shipping bill comes to £45.71.
larisa [96]

Given:

Faiz's total online shipping bill comes to £45.71.

He then receives discount of £15.90.

To find:

How much does he have to finally pay after the discount?

Solution:

We have,

Amount of bill = £45.71

Discount amount = £15.90

Now,

Final payment = Amount of bill - Discount amount

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7 0
3 years ago
One third of the students at the STEM Academy play sports. Two fifth of the students who play sports are girls. What fraction of
andreyandreev [35.5K]

Answer:

2/15

Step-by-step explanation:

If we have that one third of the students play sports, and two fifth of the students who play sports are girls, to find the fraction of all students that are girls and play sports, we just need to multiply both fractions, because the subset of girls who play sports in relation to the total number of students that play sports is inside the set of total number of students that play sports in relation to the total number of students:

So the fraction of students that are girls who play sports is:

(1/3) * (2/5) = 2/15

4 0
4 years ago
You have a coupon for 5$ off you total bill at mama’s meal on main how much will you pay after using the coupon if your bill was
LuckyWell [14K]

Answer:

b-5

Step-by-step explanation:

because you are using the coupon which means to subtract since you are saving $ 5  from b dollars

6 0
3 years ago
Find the length of a rectangle given that the perimeter is 180 feet and the length is 5 times the width.
Tatiana [17]

Answer:

Hi there!

Your answer is:

The length is 75

Step-by-step explanation:

P=180

L=5w

Perimeter formula

L+L+W+W=P

Plug in known values

5W+5W+W+W=180

12W=180

/12

W=15

Plug in width in length formula!

L=5W

L=5(15)

L=75

4 0
4 years ago
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