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Nezavi [6.7K]
3 years ago
7

Expand, simplify..... :- /

Mathematics
1 answer:
balu736 [363]3 years ago
5 0

Simplifying makes a algebric expression easily understandable and solvable.

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-21 = 7(3 - x)<br><br> Please help. You have to use distributive property to solve.
OlgaM077 [116]
The answer is 6


hope this helps !!
4 0
3 years ago
Read 2 more answers
Please any help is necessary
Ugo [173]

Answer:

Option D. 50 ft

Step-by-step explanation:

we know that

The area of the figure is equal to the area of three rectangles

so

A=18x+(48-36)(32-11)+(18)(32)

A=18x+(12)(21)+(18)(32)\\A=18x+828

Remember that the area is given

A= 1,728\ ft^2

so

18x+828=1,728

solve for x

18x=1,728-828\\18x=900\\x=50\ ft

3 0
3 years ago
He normal pulse rate of a 13-year-old is between 70 and 100 beats per minute. As part of a health program, the medical staff at
SVEN [57.7K]
From the box plot, it can be seen that for grade 7 students,
The least value is 72 and the highest value is 91. The lower and the upper quartiles are 78 and 88 respectively while the median is 84.

Thus, interquatile range of <span>the resting pulse rate of grade 7 students is upper quatile - lower quartle = 88 - 78 = 10

</span>Similarly, from the box plot, it can be seen that for grade 8 students,
The least value is 76 and the highest value is 97. The lower and the upper quartiles are 85 and 94 respectively while the median is 89.

Thus, interquatile range of the resting pulse rate of grade 8 students is upper quatile - lower quartle = 94 - 85 = 9

The difference of the medians <span>of the resting pulse rate of grade 7 students and grade 8 students is 89 - 84 = 5

Therefore, t</span><span>he difference of the medians is about half of the interquartile range of either data set.</span>
6 0
3 years ago
Read 2 more answers
How many days is 63 hours
konstantin123 [22]

Answer:2.6 days

Step-by-step explanation:

i looked it up on google

3 0
3 years ago
Read 2 more answers
A baker uses 5.5lbs of flour daily. How many ounces of flour will he use in two weeks.
atroni [7]
8 oz in 1 poount
therefor, multiply number of poounds by 8 to get ounces
5.5 times 8=44
this is in 1 day

how much in 2 weeks
1 week=7 days
2 weeks=7 times 2=14

1 day=44oz
14 day=44oz times 14=616oz

the answer is 616oz
4 0
3 years ago
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