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MaRussiya [10]
3 years ago
10

HELP ASAP ITS SO HARD! Kelsey did the following division problem. Her teacher says that the quotient she found is wrong. −2 5/6

÷ 1 1/3 −17/6 ÷ 4/3 −6/17• 3/4 −6×3 divided by 17×4 −18/68 −9/34 A. Identify what Kelsey did wrong in her calculations. B. Find the correct quotient, showing all of your calculations.
Mathematics
2 answers:
SpyIntel [72]3 years ago
4 0

Part A

Her steps were

-2 \frac{5}{6} \div 1 \frac{1}{3}\\\\-\frac{17}{6} \div \frac{4}{3}\\\\-\frac{6}{17} \times \frac{3}{4}\\\\-\frac{6\times 3}{17\times4}\\\\-\frac{18}{68}\\\\-\frac{9}{34}\\\\

Kelsey made a mistake on line 3. Note how the 17/6 flips to 6/17. This is not correct. You keep the first fraction the same, but you do flip the second fraction. This only applies when you divide two fractions.

The third step should look like -\frac{17}{6}\times \frac{3}{4}

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

Part B

Here's what she should have written

-2 \frac{5}{6} \div 1 \frac{1}{3}\\\\-\frac{17}{6} \div \frac{4}{3}\\\\-\frac{17}{6} \times \frac{3}{4}\\\\-\frac{17\times 3}{6\times 4}\\\\-\frac{51}{24}\\\\-\frac{17}{8}\\\\

If you want to convert that improper fraction to a mixed number, then you could do something like this

-\frac{17}{8} = -\frac{16+1}{8}\\\\-\frac{17}{8} = -\frac{16}{8}-\frac{1}{8}\\\\-\frac{17}{8} = -2 \frac{1}{8}\\\\

Or you could divide 17 over 8 using long division to get 2 remainder 1. The 2 is the quotient that goes to the left of the 1/8. The remainder of 1 is the numerator of 1/8.

natima [27]3 years ago
3 0

Answer:

i just did this so the other person gets brainliest she deserves it !!!

Step-by-step explanation:

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8 0
3 years ago
Trey is putting up a fence around a 750 foot by 540 foot lot. How many feet of fence dose he need?
anygoal [31]

Given:

The length of the lot l= 750ft

The width of the plot w= 540 ft

Required:

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Explanation:

The perimeter of the rectangle is given by the formula.

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Thus the required fence for the lot

\begin{gathered} =2(750+540) \\ =2(1290) \\ =2580\text{ ft} \end{gathered}

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6 0
9 months ago
What is 0.31 as a fraction?
Snezhnost [94]

Answer:

31/100

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
B. DIRECTION: Read and analyze each problem. Give the best answer you can give in order to solve the problem
lawyer [7]

Answer:

1: How much longer did he run than walk.

2: Subtraction

3: 1/8 hour

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1: The last sentence says what is being asked.

2: We want to see how much longer something is so it is subtraction.

3: 3/4 = 6/8    7/8 - 6/8 = 1/8

4 0
3 years ago
Apply THe ORder of operations to simplify the expression
Galina-37 [17]
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always remember (PEMDAS)
5 0
3 years ago
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