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Scilla [17]
3 years ago
15

1. What is 1/4 of 20?

Mathematics
2 answers:
lozanna [386]3 years ago
7 0

Answer:

1/4 of 20 is 5

Step-by-step explanation:

Hope this helps!

777dan777 [17]3 years ago
3 0

Answer:

5

Step-by-step explanation:

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Julia lined up the interior angles of the triangle along the line below. <br> What is the answer?
pshichka [43]

30 degrees is your answer.

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WHY DOES SOLVING RADICAL EQUATIONS NEED A DIFFERENT PROCESS? HOW DO EXTRANEOUS SOLUTIONS ARISE FROM RADICAL EQUATIONS?
professor190 [17]
Solving radical equations are different because you would want to get everything in the equation to rational numbers.
Extraneous solutions arise when you manipulate the equation. After manipulating if a solution is found that can not satisfy the original equation(s).
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3 years ago
A triangle with side lengths 13, 30, and 42 is a right triangle. True or False?​
kaheart [24]

Answer:

False

Step-by-step explanation:

42^2-30^2-13^2=695

695 ≠ 0

4 0
3 years ago
A 20 kg bag of bananas for $10<br><br><br> ______ per kg
NeTakaya

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each bannana i think

Step-by-step explanation:

6 0
3 years ago
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You buy 3 shirts and 1 pair of pants for $32. Your friend buys 2 shirts and 3 pairs of pants for $40.
koban [17]

You buy 3 shirts and 1 pair of pants for $32. Your friend buys 2 shirts and 3 pairs of pants for $40. How much did each item cost?

 

First let’s define a shirt as X and pants as Y!

 

In the first scenario, the equation will be 3X + Y =$32

In the second scenario, the equation will be 2X + 3Y = $40  

 

Now because we have two different variables (X & Y) let’s solve for one of them (Ex: Y) to simplify the equations!

 

3X + Y= $32—> subtract 3X on both sides of the equation  

-3X.        - 3X

 

Net result: Y= 32- 3X

 

Now we can insert this into the second equation 2X + 3Y = $40 in order to solve for X variable  

 

2X + 3(32-3X) = $40

2X + 96 - 9X = $40 —> simplify the equation  

-7X + 96 = $40 —> substrate 96 from both sides  

-7X = -56 —> divide both sides by -7  

X= 8  

 

Now reinsert 8= X into 3X + Y = $32

3(8) + Y = $32

24+ Y = $32 —> substract 24 from both sides

y = 8

   

ANSWER: X= 8, Y= 8

If I am wrong I am sorry >_<

5 0
3 years ago
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