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lions [1.4K]
2 years ago
9

Which is the best estimate of 90/7 divided by. 1/3/4 2 6 12 24

Mathematics
1 answer:
timama [110]2 years ago
5 0

Answer:

\frac{135}{14}

Step-by-step explanation:

90/7 ÷ 1/3/4

90/7 ÷ 4/3

90/7 × 3/4

45/7 × 3/2

= <u>1</u><u>3</u><u>5</u><u>/</u><u>1</u><u>4</u><u> </u><u>=</u><u> </u><u>9</u><u> </u><u>9</u><u>/</u><u>1</u><u>4</u>

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What numbers multiply to equal -9 but add up to 12?
Elan Coil [88]
I don't think this is possible.

The factors of -9 are:
-1 x 9
-9 x 1
-3 x 3

And when you add them together you get:
-1 + 9 = 8
-9 + 1 = -8
-3 + 3 = 0

Sorry but there is not an answer. :(

7 0
3 years ago
Mrs. Lane took a survey of the types of pants her students were wearing. She collected the data at the right. What percent of he
Nadya [2.5K]

Answer:

It is always important to go through the given problem first to get a concept of the requiremement. Then all the information's available from the question has to be noted down in such a manner that there would be no need to look at the question while solving.

Total number of students wearing jeans = 10

Total number of students wearing shorts = 9

Total number of students wearing capris = 2

Then the total number of students surveyed by Mrs Lane = (10 + 9 + 2)

                                                                                           = 21

Now percentage of students wearing shorts = (9/21) * 100

                                                                      = (3/7) * 100

                                                                      = 300/7

                                                                      = 42.85 percent

So a total percentage of 42.85% of the students were wearing shorts.

Step-by-step explanation:

6 0
3 years ago
What is the upper quartile, Q3, of the following data set? 54, 53, 46, 60, 62, 70, 43, 67, 48, 65, 55, 38, 52, 56, 41
scZoUnD [109]
The original data set is 
{<span>54, 53, 46, 60, 62, 70, 43, 67, 48, 65, 55, 38, 52, 56, 41}

Sort the data values from smallest to largest to get
</span><span>{38, 41, 43, 46, 48, 52, 53, 54, 55, 56, 60, 62, 65, 67, 70} 
</span>
Now find the middle most value. This is the value in the 8th slot. The first 7 values are below the median. The 8th value is the median itself. The next 7 values are above the median. 

The value in the 8th slot is 54, so this is the median

Divide the sorted data set into two lists. I'll call them L and U 
L = {<span>38, 41, 43, 46, 48, 52, 53}
U = {</span><span>55, 56, 60, 62, 65, 67, 70}
they each have 7 items. The list L is the lower half of the sorted data and U is the upper half. The split happens at the original median (54).

Q3 will be equal to the median of the list U
The median of U = </span>{<span>55, 56, 60, 62, 65, 67, 70} is 62 since it's the middle most value. 

Therefore, Q3 = 62

Answer: 62</span>
4 0
3 years ago
Perform the indicated operation.<br><br> (2x + 7)(x – 5)<br> Answers <br> Below in the picture
Over [174]

i thought it was a or d

6 0
3 years ago
Read 2 more answers
Suppose your friend's parents invest $20000 in an account paying 7% compounded annually. What will the balance be in 7 years
Greeley [361]
The balance will be: <span>$500,637.91



</span>
3 0
2 years ago
Read 2 more answers
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