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olga_2 [115]
1 year ago
9

Which angle is a vertical angle with AngleEFD?

Mathematics
1 answer:
Naddik [55]1 year ago
5 0

Vertically opposite angles are congruent. Thus Angle AFD is vertical to angle AFB

<h3>What are vertical angles?</h3>

Vertical angles are the angles opposite each other when two lines cross.

In other words, vertical angles are a pair of opposite angles formed by intersecting lines.

Vertically opposite angles are congruent.

Therefore, the angle vertically opposite to angle EFD is as follows;

AFB ≅ EFD (vertically opposite angles)

learn more on vertical angles here:brainly.com/question/13284533

#SPJ1

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The area of a square is 100 square centimeters. what is the perimeter
Serhud [2]

Answer:

Step-by-step explanation:

area of a square = S x S

side = ⱱarea

side = ⱱ100

side = 10cm

perimeter = 4s

= 4 x 10

=40cm

8 0
3 years ago
A bank is offering 2.5% simple interest on a savings account. If you deposit $5000, how much interest will you earn in 4 years?
weeeeeb [17]

Answer:

A = 2500 + 2500 · 0.06 · 4 = 3100

Step-by-step explanation:

5 0
2 years ago
Answer ASAP, Find the quadratic equations whose roots are ½ and -5/2​
ArbitrLikvidat [17]

Answer:

4x^2+8x-5

Step-by-step explanation:

You work backwards to get (2x-1) which gets you the root 1/2 and (2x+5) which gets you the root -5/2 after this you foil what you have so (2x-1) times (2x+5). You do 2x times 2x which gives you 4x^2 2x times 5 which gives you 10x -1 times 2x which gives -2x and lastly -1 times 5 which gives you -5 now you combine like terms and get your final answer of 4x^2+8x-5

3 0
3 years ago
PLEASE CAN ANYONE HELP!!!
DiKsa [7]

Answer:

x = 3

y = 4  

hey, I am not 100% sure of the certainty of my answers, I am using what I remember about that topic but I do not know if it is right or wrong, I hope I have helped you, I did what I could.

Step-by-step explanation:

-3x + 2y = 23

5x + 2y = -17

X solution:

(you cancel the y)

-3x = 23

5x = -17

(you combine all the values above with those below)

2x = 6

(solve the ecuation normaly)

x = 6/2 = 3

Y solution:

(you replace the x)

-3(3) + 2y = 23

5(3) + 2y = -17

-9 + 2y = 23

15 + 2y = -17

(you combine all the values above with those below)

6 + 4y = 6

(solve the ecuation normaly)

4y = 0

y = 4  

(I do not really know if the answer here is 0 or 4 since when passing the 4 to divide it would be 0/4 and I do not understand very well how that is solved)

6 0
2 years ago
Read 2 more answers
What is the sum of the last 5 terms of the series 1 9 17... 49?
drek231 [11]
The series is increasing by 8 each time.

So that means the complete series is:
1, 9, 17, 25, 33, 41, 49

Add the last 5 digits:
49 + 41 + 33 + 25 + 17 = 165

Answer:
165
4 0
3 years ago
Read 2 more answers
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