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IceJOKER [234]
2 years ago
9

Greg has a piece of string that is 3 1/3 yards long. If he cuts off 3/4 yard, how many yards of the string

Mathematics
1 answer:
lozanna [386]2 years ago
8 0
2(7/12) yards will be left

3(1/3) =10/3
10/3 - 3/4. = 40/12- 9/12
= 31/12
=. 2(7/12)
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Write the equation in standard form. y=4/7x+3
sdas [7]

Answer:

4x-7y = -21

Step-by-step explanation:

1. Move 4/7x to the other side

-4/7x+y=-3

2. Multiply both sides by -7

4x-7y=-21

3 0
3 years ago
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Working together, it takes two different sized hoses 20 minutes to fill a small swimming pool. If it takes 30 minutes for the la
Anuta_ua [19.1K]

Answer:

60 minutes for the larger hose to fill the swimming pool by itself

Step-by-step explanation:

It is given that,

Working together, it takes two different sized hoses 20 minutes to fill a small swimming pool.

takes 30 minutes for the larger hose to fill the swimming pool by itself

Let x be the efficiency to fill the swimming pool by larger hose

and y be the efficiency to fill the swimming pool by larger hose

<u>To find LCM of 20 and 30</u>

LCM (20, 30) = 60

<u>To find the efficiency </u>

Let x be the efficiency to fill the swimming pool by larger hose

and y be the efficiency to fill the swimming pool by larger hose

x = 60/30 =2

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Therefore efficiency of y = (x + y) - x =3 - 2 = 1

so, time taken to fill the swimming pool by small hose = 60/1 = 60 minutes

8 0
3 years ago
8 partment store is holding a drawing to give away free shopping sprees there are 10 customers who have entered as a drawling 6
matrenka [14]

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Step-by-step explanation:

8 0
3 years ago
If p= 3 and q= -3, find the value of:
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2 years ago
I need help please reply quickly higher gcse question
nexus9112 [7]

Answer:

105 cm²

Step-by-step explanation:

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Here b = 15 - 9 = 6 and h = 11 - 6 = 5 , thus

area of triangle = \frac{1}{2} × 6 × 5 = 3 × 5 = 15 cm²

Total area = 90 + 15 = 105 cm²

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3 years ago
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