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laila [671]
3 years ago
13

I need help!!! 15 points!!

Mathematics
1 answer:
Slav-nsk [51]3 years ago
7 0

Answer:

the answer is B

\frac{5}{14}

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Sweater that originally cost $40 is on sale for 10 percent off. What is the amount of the discount? 
saw5 [17]

multiply 40 by 10%

40*0.10 = 4, so the discount would be $4

8 0
3 years ago
Whats 42.12500 rounded to the nearest whole number?
wel
42.13 or just 42 I think
5 0
3 years ago
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Two pipes running together can fill a tank in 20 minutes.
Hunter-Best [27]

Answer:

45, 36

Step-by-step explanation:

let x y minutes be the time for pipes to fill the tank, let n be the water needed to fill the tank.

x-y=9

(n/x)*20+(n/y)*20=n

n is removed by dividing the 2nd equation by n

here u get:

(1/x+1/y)*20=1

you sub x=9+y into the above equation

1/y+1/(9+y)=1/20

((9+y)+(y))*20=(9+y)(y)

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3 0
3 years ago
Help I just not that smart ​
Lubov Fominskaja [6]

Answer:

1\frac{1}{9}  gallons of paint

Step-by-step explanation:

paint =

2/3 ---- 3/5

x ----  1

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x=1\frac{1}{9}

Hope this helps

4 0
2 years ago
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yes I am the only one that has a lil before I go to

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