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Sphinxa [80]
3 years ago
12

Need help ASAP. I don't understand anything in this unit.

Mathematics
1 answer:
vazorg [7]3 years ago
3 0

Answer:

Step-by-step explanation:

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Lines AB and CD (if present in the picture) are straight lines. Find x. Give reasons to justify your solutions.
Olin [163]

Answer:

WORDS: The value of x is 15.

EQUATION: x = 15

Step-by-step explanation:

1. AB is a straight line therefore angles AOF, FOG, and GOB total 180º

2. If ∠FOG = 90º, AOF + GOB = 90º by subtraction & substitution property

3. 5x - 15 + 2x = 90 (now solve) --> by substitution

4. 7x - 15 = 90 --> by C.L.T. or <u>C</u>ombine <u>L</u>ike <u>T</u>erms

5. 7x = 105 --> by C.L.T. or <u>C</u>ombine <u>L</u>ike <u>T</u>erms

6. x = 15 --> by inverse operations (division)

Hope this helps!

8 0
3 years ago
If f(x)=3x-1 and g(x)=x+2, find (f-g)(x)
siniylev [52]

Answer:

(f - g)(x) = 2x - 3

Step-by-step explanation:

(f - g)(x)

= f(x) - g(x)

= 3x - 1 - (x + 2)

= 3x - 1 - x - 2

= 2x - 3

7 0
1 year ago
What is |-8| + |6| ?
Irina18 [472]

|-8| + |6| should be 14

5 0
3 years ago
Read 2 more answers
Need hep now will make brainliest
AfilCa [17]
Hi!
1. -25
2. 22
3. 0
4. -34.5

hope this helps!
8 0
3 years ago
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Make x the subject of the formula<br> y = (ax)2
katovenus [111]

Answer:

y = (ax)2

y = 2ax

divide both sides by 2a to make x the subject of the formula.

y/2a = 2ax/2a

x = y/ 2a

hope this was helpful,thanks

7 0
2 years ago
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