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iris [78.8K]
2 years ago
8

Find the solution of this system of equations 4x - 2y = 0 -X - 2y = -25

Mathematics
2 answers:
Lapatulllka [165]2 years ago
7 0

Answer:

y = 25

X = 25/2 is the value of X an dy

Len [333]2 years ago
7 0

Answer:

x=5

y=10

Step-by-step explanation:

4x-2y=0

-x-2y=-25

subtract

5x=0-(-25)

5x=25

x=25/5=5

-5-2y=-25

2y=-5+25

2y=20

y=20/2=10

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Are these two equations equivalent
zzz [600]

No because if you look at it flipped and do 100/4=25 then 100/5= 20 so 20 and 25 aren’t the same

4 0
3 years ago
X less than 42 is 15<br><br> Which equation represents this scenario?
Lelu [443]

Answer:

42 is 15

Step-by-step explanation:

42 is 15 because of x

4 0
3 years ago
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

#SPJ4

8 0
2 years ago
35 is less than the difference of 21 and a number
My name is Ann [436]
It's 35<21-n because 35 is less that 21 and an unknown number
3 0
3 years ago
Find the value of c so that (x+1) is a factor of the polynomial p(x)
Crank

Answer:

The answer is in the step by step below (image)

Step-by-step explanation:

4 0
3 years ago
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