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Readme [11.4K]
3 years ago
7

Answer and i mark brainliest ok !!

Mathematics
2 answers:
inessss [21]3 years ago
8 0

Answer: Both

Step-by-step explanation:

den301095 [7]3 years ago
4 0
Answer choice c both because they are both similar
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Find the value of each variable.
sineoko [7]

Answer:

19. x = 65

20. x = 12

21. x = 35, y = 85

Step-by-step explanation:

19. 2x -10 = 120

2x (-10 + 10) = (120 +10)

2x/2 = 130/2

x = 65

20. 2x + 4x + 108 = 180

6x + (108 - 108) = (180 - 108)

6x/6 = 72/6

x = 12

21. 2x + 25 = 3x - 10

2x + (25 - 25) = 3x (- 10 - 25)

(2x - 3x) = (3x - 3x) - 35

-x/-1 = -35/-1

x = 35

3x - 10 + y = 180

3(35) - 10 + y = 180

105 - 10 + y = 180

(95 - 95) + y = (180 - 95)

y = 85

7 0
3 years ago
Assume that the distance from Earth to the moon is exactly 238,855 miles and that it took astronauts 75 hours to reach the moon
Neko [114]
You would do 238855 divided by 75 ===3184.73333 mph
5 0
3 years ago
Read 2 more answers
Which expression is equal to (x+2)(−3x2+3x+1)?
padilas [110]
Multiply everything in the second parenthesis by x.

-3x^3 + 3x^2 + x

Multiply everything in the second parenthesis by 2.

-6x^2 + 6x + 2

Combine these two equations together.

-3x^3 + 3x^2 + x - 6x^2 + 6x + 2

Combine like terms.

-3x^3 - 3x^2 + 7x + 2

Hope this helps!
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7 0
3 years ago
Need help with this question!!
Mekhanik [1.2K]

the answer is Y=3X+3

8 0
3 years ago
Read 2 more answers
Please help! I will mark as brainliest. &lt;3
mafiozo [28]
In interval notation it should be [6, ∞)
5 0
3 years ago
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