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ohaa [14]
3 years ago
5

Which theorem would you use to prove ABE ~ DCE?

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
3 0
Answer: Choice C) AA similarity

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We are given that angle ABE = angle ECD since they are both right angles (square marker)

Angle AEB = angle CED as they are vertical angles

we have two pairs of congruent angles, leading us to be able to use the AA (angle angle) similarity theorem
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Could someone please help answer this, thank you, will give brainliest, plz no spam (home work help) thanks!
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A < -12

1/3a < -4
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Mark brainliest please
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3 years ago
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To Rationalize the denominator of 5-√7/9-√14, you should multiply the expression by which fractions?
beks73 [17]

<u>Answer</u>

9+√14


<u>Explanation</u>

To Rationalize the denominator of 5-√7/9-√14.

To rationalize this we multiply both the denominator and denominator by the conjugate of the denominator.

The denominator is 9-√14 and its conjugate is (9+√14).

(5-√7)/(9-√14) = (5-√7)(9+√14)/(9-√14)(9+√14)

                        =  (5-√7)(9+√14)/(9²-14)

                       = (45 + 5√14 - 9√7 - √98)/(81-14)

                        =  (45 + 5√14 - 9√7 - √98)/67

                        = (45 + 5√14 - 9√7 - 7√2)67

This is the rationalized expression.  

The denominator is (9-√14) and its conjugate is (9+√14).

8 0
3 years ago
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INSTRUCTIONS<br> Solve the division problems<br> Name
skad [1K]

Answer:

13

Step-by-step explanation:

Do the divison! :D It's hard to write out on here, but you can find a lot of other online resources on how to do it, I reccomend Khan Academy.

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3 years ago
What is an rational number and irrational number between 7.7 and 7.9
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Answer:

elevation of 3,234 feet above sea level   Positive

losing $32.50   Negative  

depositing $230 in an account    Positive

withdrawing $2,432 from an account   Negative

2°C below 0°C  Negative

10 floors above ground level   Positive

Step-by-step explanation:

elevation of 3,234 feet above sea level   Positive   This is above ground

losing $32.50   Negative     it is less than you had

depositing $230 in an account    Positive   putting money in

withdrawing $2,432 from an account   Negative   taking money out

2°C below 0°C    less than 0

10 floors above ground level      above 0

6 0
3 years ago
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