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Alecsey [184]
3 years ago
13

Another oneeeeeeeeeeeeeeeeee

Mathematics
2 answers:
Inessa05 [86]3 years ago
6 0

Answer:

c

Step-by-step explanation:

pick me as the brainlist

aalyn [17]3 years ago
6 0

Answer:

B. The student multiplied 380 by \frac{19}{20}.

Step-by-step explanation:

In the equation -\frac{3}{4}y - \frac{1}{5}y = 380, we can further evaluate the equation into:

-\frac{19}{20}y = 380

To find y, we need to multiply 380 by the inverse of the fraction on the other side, which is -\frac{20}{19}. However, the students multiplied 380 by \frac{19}{20} to get 361. Thus, this was the mistake.

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A tap can fill a bucket in 6 hours. After half the bucket is filled, three more similar taps are opened. What is the total time
777dan777 [17]

The total time taken to fill the bucket completely is 3 hours 45 minutes

The time taken to fill the bucket by one tap= 6 hours

Then the time take by one tap to fill half of the bucket= 3 hours

Part filled by one tap in one hour =\frac{1}{6}

Part filled by four taps in one hour =4(\frac{1}{6})=\frac{4}{6}=\frac{2}{3}

Given, that after half the bucket is filled, three more similar taps are opened

Then the remaining part = 1-\frac{1}{2}=\frac{1}{2}

Time taken to fill the half of the bucket= (\frac{1}{2} )(\frac{2}{3})=\frac{3}{4} hours

Convert the hours to minutes

(\frac{3}{4})60=45 minutes

Therefore,

Total time taken to fill the bucket= The time taken by one tap to fill half of the bucket+  Time taken by 4 taps to fill the half of the bucket

=3 hours+ 45 minutes

=3 hours 45 minutes

Hence, The total time taken to fill the bucket completely is 3 hours 45 minutes

Learn more about time here

brainly.com/question/28050940

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8 0
2 years ago
Please help, thank you!!
gizmo_the_mogwai [7]

Answer:

the answer would be 2

Step-by-step explanation:

you'll get the answer by  dividing

6 0
2 years ago
What is the solution to this system of linear equations?
SOVA2 [1]

(7,3)

Step-by-step explanation:

X= -2+3y

....

-2+3y-3y=-2

-2+3y+3y=16

.......

6y=18

...

y=3

x=7

6 0
3 years ago
Read 2 more answers
What is the formula for finding the measure of a missing angle on a triangle?
Marat540 [252]

Answer:

Step-by-step explanation:

you add two angles and then subtract it from 180 degrees

Hopefully it is right

for example: A angle+B angle-180 degrees

3 0
2 years ago
I am thinking of two numbers. The sum of the numbers is 5. The first number is one less than the second number. Write a system o
Dominik [7]

Answer:

x + y = 5

y = x - 1

Hope this helped!

7 0
2 years ago
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