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nikklg [1K]
2 years ago
9

♦♦Will mark brainliest♦♦

Mathematics
2 answers:
Blababa [14]2 years ago
8 0
I think the answer is 8.5 h
Grace [21]2 years ago
4 0

Answer:

8.5 h

Step-by-step explanation:

55.75

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Identify the percent of change as increase or decrease of 138 to 75
RUDIKE [14]
138 x ? = 75
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8 0
2 years ago
A shelf is built on a wall, as shown below. What is the value of x?<br> (2x+1) + (3x-1)
Hoochie [10]

Answer:

x = 18

Step-by-step explanation:

We need to find the value of x.

We know that the sum of angles of a triangle is equal to 180°. So, using this property,

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2x+3x = 180-90

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So, the value of x is equal to 18.

6 0
2 years ago
Will mark as brainliest if correct
Dvinal [7]
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3 years ago
Can somebody help me with this problem
soldier1979 [14.2K]
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4 0
3 years ago
Arianna runs up 4 flights of stairs then runs down 4 flights of stairs. Does this situation represent additive inverses
dexar [7]

Answer:

Yes because she ends up back at zero

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