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dezoksy [38]
3 years ago
7

Can someone help me out with this question

Mathematics
2 answers:
Vanyuwa [196]3 years ago
6 0
Make sure to notice where the triangle is said to be congruent.

(triangle) GHI is congruent to (triangle) LMN

<G= <L, <H= <M, <I= <N

GH= LM, HI= MN, GI= LN.

"C" is correct.

"D" is correct.

"E" is correct. 

I hope this helps!
~kaikers
xenn [34]3 years ago
3 0
Answer:
angle L = angle G
angle M = angle H
IH = NM

Explanation:
In writing congruent triangles, the order of writing the letters is very important. This is because each side/angle in the first triangle will be congruent to its corresponding side/angle in the second triangle.
Now, we are given that:
ΔGHI ≡ ΔLMN
This means that:
For angles:
angle G = angle L
angle H = angle M
angle I = angle N
For sides:
GH =LM
HI = MN
GI = LN

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likoan [24]

Answer:

x = 3 and x = \frac{9}{2}

Step-by-step explanation:

(a)

2(5x - 3) = 24 ( divide both sides by 2 )

5x - 3 = 12 ( add 3 to both sides )

5x = 15 ( divide both sides by 5 )

x = 3

(b)

5(2x + 1) = 50 ( divide both sides by 5 )

2x + 1 = 10 ( subtract 1 from both sides )

2x = 9 ( divide both sides by 2 )

x = \frac{9}{2}

3 0
3 years ago
Sum of 2 numbers is 42, and their difference is 8. What are the numbers?​
Tems11 [23]

Answer:

25 , 17

Step-by-step explanation:

Let the unknown two numbers be x & y.

According to the question,

Sum of 2 numbers is 42.

x + y = 42  ⇒ ( 1 )

Their difference is 8.

x - y = 8 ⇒ ( 2 )

First let us find the value of x.

( 1 ) + ( 2 )

x + y + x - y = 42 + 8

2x = 50

Divide both sides by 2.

x = 25

And now let us find the value of y.

x + y = 42

25 + y = 42

y = 42 - 25

y = 17

Therefore, the two numbers are 25 , 17

Hope this helps you :-)

Let me know if you have any other questions :-)

8 0
3 years ago
Read 2 more answers
Given $dc = 7$, $cb = 8$, $ab = \frac{1}{4}ad$, and $ed = \frac{4}{5}ad$, find $fc$. Express your answer as a decimal.
Pachacha [2.7K]

A ↔ B ↔ C ↔ D ↔ E ↔ F

 \frac{1}{4} AD      8      7      \frac{4}{5} AD   ???

AB + BC + CD = AD   <em>segment addition postulate</em>

\frac{1}{4} AD   +   8   +   7   = AD

\frac{1}{4} AD   +       15        = AD

AD         + 60    = 4AD

                  60    = 3AD

                  20    = AD

AB =  \frac{1}{4} AD    =  \frac{1}{4}(20)    = 5

DE =  \frac{4}{5}AD   =  \frac{4}{5}(5)    = 4

CD + DE + EF = CF   <em>segment addition postulate</em>

7   +   4   + EF  = CF

     11        + EF  = CF

Answer: 11 + EF

Note: You did not provide any info about EF.  If you have additional information that you did not type in, calculate EF and add it to 11 to find the length of CF.

7 0
3 years ago
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Phân tích thành nhân tử <br> 3+√5 +3√5 +5
Lyrx [107]

Step-by-step explanation:

3+√5+3√5+5

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3 0
3 years ago
7) Newton sees 50 frogs in the morning, and 7 fewer frogs in the
mario62 [17]

Answer:

93

Step-by-step explanation:

8 0
3 years ago
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