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kifflom [539]
3 years ago
7

Completing the square x^2 + 10x

Mathematics
1 answer:
IRISSAK [1]3 years ago
3 0

Answer:

x^2 + 10x + 25

Step-by-step explanation:

(B/2) ^2

10/2 = 5

5^2 = 25

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What does y = 2.5x - 10 equal?
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Step-by-step explanation:

x= y+10

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    2.5

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2x=14<br>Find the value of x.​
Rashid [163]

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<h3>ᎪꪀsωꫀᏒ</h3>

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6 0
3 years ago
Read 2 more answers
HELP PLEASE!! THANK YOU!
dmitriy555 [2]

Answer: choice B, 40.5 degrees

The triangle is isosceles based on the fact that AC = BC (the tick marks are the same). The angles opposite the congruent sides are also congruent

angle A = angle B = x for some unknown number x

The three angles A,B,C add to 180, so,

A+B+C = 180

x+x+99 = 180

2x+99 = 180

2x = 180-99

2x = 81

x = 81/2

x = 40.5

So angle A and angle B are both 40.5 degrees

Check:

A+B+C = 180

40.5+40.5+99 = 180

180 = 180 answer is confirmed

==============================

Edit

The sides with the two tick marks are the same length, so 7x-4 is the same as length as 31

7x-4 = 31

7x = 31+4

7x = 35

x = 35/7

x = 5

Answer is choice B) 5

3 0
3 years ago
NO LINKS!
lord [1]

Answer:

Part A: 60

5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60.

12, 24, 36, 48, 60.

---------------------------------

Part B: 9

81 / 72 = 9

----------------------------------

Part C: 9 (8 + 9)

GCF of 72 and 81 is 9...

Divide 72 by 9 and get 8.

Divide 81 by 9 and get 9.

To check multiply 9 with 8, and multiply 9 by 9.

----------------------------------

Easy! :D (if you don't mind, may I get brainliest please?)

5 0
2 years ago
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