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BartSMP [9]
3 years ago
14

PLEASE HELPPPPPPPPPPPPPP THANK YOUUH

Mathematics
1 answer:
almond37 [142]3 years ago
8 0
For A B and C, you just plug in the given number

A
2(15) + 5 = 35
B
4(20) + 2 = 82
C
6(10) + 5 = 65
And for D, you set the equation to 26 and solve for n
3x + 5 = 26 \\ 3x = 21 \\ x = 7
I had to use x instead of n, but for D n=7. :)

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A winery has a vat with two pipes leading to it. The inlet pipe can fill the vat in 3 ​hours, while the outlet pipe can empty it
leva [86]

The time it will take to fill the vat if both pipes are left open is = 4.3 hours

<h3>Calculation of time taken to fill vat</h3>

The number of pipes a vat has = 2

The time it takes the inlet pipe to fill the vat = 3hrs

The time it takes the outlet pipe to empty the vat= 10hrs

Therefore, the time it will take to fill the vat if both pipes are left open is;

1/t = 1/3-1/10

1/t = 7/30

Make t the subject of formula,

t = 30/7

t= 4.3 hours

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brainly.com/question/291457

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5 0
2 years ago
How do you do this u don't understand
Elden [556K]
You have to make the denominator the same: 40
35/40 + 32/40 = 67/40
7 0
3 years ago
HELP ME WITH THIS! 1/3 a = 7/9
andreyandreev [35.5K]

Answer:

a = 2 \frac{1}{3}

Step-by-step explanation:

Given

\frac{1}{3} a = \frac{7}{9}

Multiply both sides by 9 ( the LCM of 3 and 9 ) to clear the fractions

3a = 7 ( divide both sides by 3 )

a = \frac{7}{3} = 2 \frac{1}{3}

6 0
3 years ago
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Solve |x/6 - 7/12|=11/6
Bumek [7]
X=29/2, 15/2
this is the answer hope it helped 
6 0
3 years ago
Charlie and Susan are planning a part for 10 people. Charlie finds a location that charges a initial fee of $20 plus $25 per per
Contact [7]

Answer:

B. Susan's location is cheaper for 10 people.

D. The charge for each additional person is greater for Charlie's location.

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