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Agata [3.3K]
3 years ago
9

As an estimation we are told £3 is €4. Convert €20 to pounds.

Mathematics
1 answer:
timurjin [86]3 years ago
5 0

Answer:

£15

Step-by-step explanation:

Set up a proportion, where x is €20 in pounds

\frac{3}{4} = \frac{x}{20}

Cross multiply and solve for x:

4x = 60

x = 15

So, €20 is equal to £15

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This is probably easy but help me lol
Nadya [2.5K]

Answer:

Isosceles

Step-by-step explanation:

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3 years ago
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What is 7/8 x 1/3 x 2/3? Pls help me.
Step2247 [10]
7/36
Multiply the top together and then the bottom together and the final numbers on top and bottom is your answer.
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3 years ago
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This is a System Of Equations and I'd like it to get solved by the Elimination or Substitution Method.x+2y=83x+5y=8
Sonbull [250]

Answer:

x=133 y=-25

Step-by-step explanation:

I'll do both ways for you. So let's start with Substitution:

With the sub method, you have to set both equations equal to each other by setting them equal to the same variable. Since there is no coefficient in front of both x's in both equations, that variable will be easiest to solve for.

x + 2y = 83    &    x + 5y = 8

Solve for x.

x = 83 - 2y     &    x = 8 - 5y

Once you have solved for x, set each equation equal to one another and solve for y now.

83 - 2y = 8 - 5y

Isolate all variables to one side:

83 = 8 - 3y

Now subtract the 8 to fully isolate the y variable:

75 = -3y

Divide by -3:

-25 = y   Now that you have your first variable, plug it into one of the original equations and solve for x.

x + 2(-25) = 83

x - 50 = 83

x = 133

Now for the Elimination method. For this method you need to get rid of a variable by either subtracting/adding each equation together. Again, since you can subtract and x from both equations, you will be left with only the y variable to solve:

Put each equation on top of one another and subtract:

  x + 2y = 83

- (x + 5y = 8)

The x's will cancel out:

(x - x) + (2y - 5y) = (83 - 8)

Simplify:

-3y = 75

Solve for y

y = -25

Then, plug y = -25 into one of the original equations:

x + 5(-25) = 8

Solve for x:

x - 125 = 8

x = 133

Hope this helps!

8 0
2 years ago
Please help me with this.<br>Thank you​
Solnce55 [7]

Answer:

(17+4)/21. as denominators are same

21/21

1

3 0
2 years ago
Explain the steps for dividing decimals. Write three or four sentences.
ryzh [129]

Answer:

1.First Move the decimal point in the divisor and dividend.

2.Place a decimal point in the quotient (the answer) directly above where the decimal point now appears in the dividend.

3.Divide as usual, being careful to line up the quotient properly so that the decimal point falls into place.

Step-by-step explanation:

I got it from google tbh

8 0
2 years ago
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