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drek231 [11]
2 years ago
15

you are building a rectangular wading pool you want the area of the bottom to be 90 ft squared you want the length of the pool t

o be 3 ft longer than twice its width what will the dimensions of the pool be
Mathematics
1 answer:
katrin2010 [14]2 years ago
8 0
We can form a system of equations:
x*y=90
and
x=2y+3.
Solving gives dimensions of 15 feet by 6 feet.
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A high school football team won 80% of the games they played. If they played 35 games, how many games did they win?
crimeas [40]

Step-by-step explanation:

formuale \\ \%wom = total \: win \:  \times 100\% \div total \: matches \: played

let x be total much won

80\% = x \times 100\% \div 35 \\  x= 35 \times 80 \div 100 \\ x = 7 \times 4 \\ x = 28

so they team had won 28 matches.

I hope the team has best players : )

8 0
2 years ago
Ten large marbles weigh as much as 14 small marbles. How many large marbles weigh as much as 35 small marbles?
Paladinen [302]
To get the answer we can use proportion
10 large ------------- 14 small
x large -------------- 35 small
crossmultiply
10*35=x*14
350=14x            /:14
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25=x-its the answer
3 0
2 years ago
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Which value for "a" completes the conditional relative frequency table by row?
irinina [24]

Answer:

a=0.1

Step-by-step explanation:

From the given frequency table, Fiction= Poetry+Prose=total

⇒0.2+0.8=1.0=total

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Thus, following the same path,we have

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How many tiles of 10cm by a 6cm will be needed to pave a rectangular path of 5m by 3m
kherson [118]

Answer:

2500 tiles

Step-by-step explanation:

convert the path to the same units, one m = 100 cm

path= 500 cm x 300 cm

path area = 150,000 cm^2

each tile = 10x6 = 60 cm^2

150,000/60 = 2500 tiles

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2 years ago
A certain cuty has 2700 pets. of these pets 1/4 are cats 1\5 are dogs 1/10 are horses 1/9 are frogs 1/4 are fish and the rest ar
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1/5 are dogs.

1/5 x 2700 = 540 

--------------------------------------------
Answer: There are 540 dogs.
--------------------------------------------
4 0
2 years ago
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