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rusak2 [61]
3 years ago
13

The assembly of a machine takes 3/4 hour there are 12 steps in the assembly process what is the average time for each step

Mathematics
1 answer:
S_A_V [24]3 years ago
5 0
We can solve this two different ways. I'll do both, and you choose which one makes the most sense:
We can divide the fraction 3/4 by 12. remember, when we divide fractions, we flip the second fraction and change the sign to multiplication:
3/4 ÷12     [starting equation]
3/4 x 1/12  [flip and change sign]
3/48    [now reduce]
1/16 Each step takes 1/16 of an hour. 
1/16 x 60 = 3 3/4, or 3.75 minutes

Second way:
3/4 of an hour is 3/4 of 60...45 minutes.
Still, we divide out:
45 ÷ 12   [starting equation]
3 9/12    [divide with remainder]
3 3/4 minutes...3.75 minutes

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7 0
3 years ago
Jamal uses the steps below to solve the equation 6x – 4 = 8. Step 1: 6x – 4 + 4 = 8 + 4 Step 2: 6x + 0 = 12 Step 3: 6x = 12 Step
andriy [413]

Answer:

Identity element property

Step-by-step explanation:

The property that justifies the step 3 is the identity element property.

Mathematically, the identity element is that number such that performing an arithmetic operation such as addition or multiplication with the number gives back the number we started with

For addition, the identity element is 0

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8 0
3 years ago
Anyone please help!!!​
tatuchka [14]

Answer:

The answer is D.

Step-by-step explanation:

When you subtract 9 from h, the word “then” is a key term that means it’s usually in parentheses. Then you divide three.

6 0
2 years ago
(Photo) Please help me
N76 [4]
I believe it could be either B or D. 

8 0
3 years ago
Read 2 more answers
What fraction of the pages did you read?
AleksAgata [21]
10 1/2 = 21/2

(21/2)  / 3
= 21/2 x 1/3
= 21/6
= 3 1/2

answer
3 1/2 pages
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3 years ago
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