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IgorC [24]
3 years ago
13

Can someone help me with this proof

Mathematics
2 answers:
larisa86 [58]3 years ago
8 0

The fourth option is the correct answer.

Hope this helps! ;)

mezya [45]3 years ago
3 0
The fourth option hoped it helped
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-21+x=49 what is X HELP PLS
iragen [17]

Answer:

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol

6 0
3 years ago
Given DEFGH ≅ QRSTU .
blsea [12.9K]
Using our congruency statement <span>DEFGH ≅ QRSTU, we can see which angles map onto each other. 

</span>D ≅ Q
E ≅ R
F ≅ S
G ≅ T
H ≅ U

We see that E ≅ R, and since E is 143 degrees, R = 143 degrees.

Why is this true, you may ask? When dealing with congruency, the given points/letters (they are really both) are congruent to the corresponding shapes letter/point. For example, if triangle ABC ≅ DEF, A would correspond to D, B would correspond to E, etc. When you see these types of problems, congruency will be applied to angles (it could apply to lines in other cases).

If you have any questions, feel free to ask!

:)
8 0
3 years ago
Read 2 more answers
Help plz I don’t understand how to do this math below
ASHA 777 [7]

1. \frac{1}{3}  \times  \frac{2}{5}  \\  \frac{1 \times 2}{3 \times 5}  =  \frac{2}{15}

2. \frac{2}{5}  \div  \frac{3}{5}  \\  \frac{2}{5}  \times  \frac{5}{3}  \\   = \frac{2}{3}

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>

4 0
3 years ago
Read 2 more answers
Is h(x)=3x^3+2x^2+5 even, odd, or neither?
pochemuha

Answer:

Neither even or odd

Step-by-step explanation:

4 0
3 years ago
A long distance phone call between two cities costs $8.50 for 17 minutes. What is the rate in cents per minute?
Ira Lisetskai [31]

Answer:

.50 cents per minute

Step-by-step explanation:

8.50 divided by 17= 0.50

to check- 0.50 times 17 equals 8.50

3 0
3 years ago
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