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Neporo4naja [7]
3 years ago
14

PLEASE HELP ASAP!!! my class is about to ennnd!

Mathematics
1 answer:
Marizza181 [45]3 years ago
7 0

Answer:

the first answer choice

A)

Step-by-step explanation:

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Four friends equally share 1/2 of a pizza how much of the pizza does each friend get?
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The correct answer is 12.5% each
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3 years ago
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Pedro le dice a María si cambias los billetes de 10 € que tienes por billetes de 5 € y los billetes de 5 € por billetes de 10 €
Bad White [126]

Answer: Maria has 10 bills of 5€ and 10 bills of 10€.

She has a total of 150€.

Step-by-step explanation:

Let be "f" the number of 5€ bills that Maria has and "t" the number of 10€ bills that Maria has.

Set up a system of equations:

\left \{ {{f+t=20} \atop {5f+10t=10f+5t}} \right.

Use the Substitution method to solve the system of equations:

1. Solve for "f" from the first equation:

f=20-t

2. Substitute the equation obtained into the second equation and solve for "t".

Then:

5(20-t)+10t=10(20-t)+5t\\\\100-5t+10t=200-10t+5t\\\\20t-10t=100\\\\t=\frac{100}{10}\\\\t=10

3. Substitute the value of "t" into the equation f=20-t and evaluate:

f=20-10\\\\f=10

Therefore, Maria has 10 bills of 5€ and 10 bills of 10 €.

So the total amount of money she has, is:

Total=10(5)+10(10)=150

She has a total of 150€.

5 0
3 years ago
Answer this question to get marked as brainliest!!!!
Mazyrski [523]

Answer: C

Step-by-step explanation:

A= 1/2(a+b)xh

A=1/2(7+10)x5

A=8.5x5

A=42.5

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First anserw gets brainest 8th grade, root squared question
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Answer:

±11

11*11=121

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3 years ago
I NEED HELP ASAP! PLEASEEEE​<br><br>I will give you 5 stars rate
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The first one is 5
Second 3
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Fourth is 9
And fifth is 10
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