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WINSTONCH [101]
3 years ago
11

Can someone help? It’s about 2 column proofs

Mathematics
1 answer:
Gwar [14]3 years ago
4 0

Step-by-step explanation:

1. AB = BC (B is the midpoint of AC)

2. DE = EF (E is the midpoint of DF)

3. EB is common

4. ∠ABE = ∠CBE; ∠BED = ∠BEF (EB⊥AC, EB⊥DF)

5. ΔDEB ≅ ΔFEB (RHS)

6. DB = FB (corresponding ∠s of ≅ Δs)

7. ∠EFB = ∠CBF; ∠EDB = ∠ABD (alternate interior angles, AC║DF)

8. ΔABD ≅ ΔCBF (SAS)

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The function y= sin 2 (x - 1/2) has a period of?
Evgen [1.6K]

Answer:

I believe the period is 1. Because if it was y= sin2 (2(x-1/2) then the period would be 2.

5 0
2 years ago
I ACTUALLY REALLY NEED A ANSWER FOR THIS SO IF YOU DONT ACTUALLY NO PLEASE DO NOT ANSWER!!!!
MrMuchimi

Answer:

The surface area is 10.26 feet.

Step-by-step explanation:

A=lw+l(w

2)2+h2+w(l

2)2+h2=0.8·0.8+0.8·(0.8

2)2+62+0.8·(0.8

2)2+62≈10.26131

3 0
3 years ago
How are real numbers used to describe real world situations
kenny6666 [7]
Real number are used to explain real situations by allowing you to understand that they will always have an outcome that is disable by another real number
4 0
3 years ago
Solve x(x-1) (X-5) <=O​
lara [203]

Answer:

x <= 0 or  1 = < x <= 5.

Step-by-step explanation:

First we find the critical points:

x(x - 1)(x - 5) = 0

gives x = 0, x = 1 and x = 5.

Construct a Table of values:

               <u>  x < 0 </u>  <u>x = 0 </u> 0<u>< x < 1</u>  <u>1 =< x <= 5</u>     <u>x = 5</u>

x                  <0        0          >0             <0           0

x - 1             <0       -1           >0              <0           0

x - 5            < 0       0          > 0             <0           0

x(x-1)(x-5)    < 0      0          >0              <0          0 

So the answers are x =< 0 or  1 =< x <= 5.

8 0
3 years ago
In the morning, Jasmine biked to her grandma's house in 45 minutes. When she was biking back home in the evening it was foggy an
Mars2501 [29]
Let x = speed and y = distance

y = x * 45

y = (x - 4) * 70

45x = 70x - 280

-25x = -280

x = 11.2

Put it back into the first equation:

y = 11.2 x 45

y = 504miles

Hope this helps! Any questions let me know :)
7 0
3 years ago
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