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Verdich [7]
3 years ago
5

Helpppppppppppppppppppppppppp

Mathematics
1 answer:
nika2105 [10]3 years ago
6 0

Answer:

12x+9

Step-by-step explanation:

To find the perimeter, add all the sides

3x+8  + 4x-1  + 5x +2

Combine like terms

3x+4x+5x   +8-1 +2

12x+9

You might be interested in
The histogram shows the distribution of heights, in inches, of 100 adult men.
pishuonlain [190]

Based on the histogram, the interquartile rangle of the distribution is 5 inches.

<h3>What is the interquartile range?</h3>

The interquartile range is the difference between the third quartile of a data set and the first quartile of the data set.

First quartile = 1/4 x ( n + 1)

= 101 / 4 = 25.25

25.25 on the histogram is 66

Third quartile = 3/4 x (n + 1)

303 / 4 = 75.75

75.75 on the histogram is 71

Interquartile range = 71 - 66 = 5

Please find attached the image of the histogram. To learn more about histograms, please check: brainly.com/question/14473126

3 0
2 years ago
Which expression has a value of 8, using only four 4s and any of the following: + , – , • , ÷, exponents, and/or parentheses?
nekit [7.7K]
PEMDAS
A. 4*4-4-4=16-4-4=12-4=8 true
B. 4*4*4-4=16*4-4=64-4=60, not 8 false
C. 4*4+4-4=16+0=16, not 8, incorect
D. 4(4+4)-4=4(8)-4=32-4=28, not 8 incorrect


A
4 0
3 years ago
Read 2 more answers
Translate the phrase into an algebraic expression.
adell [148]

Answer:

8 + \frac{5}{w}

Step-by-step explanation:

From the phrase, the <em>answer</em> is smaller(less) by 8  when compared(equal (=)) to quotient of 5 and w ...

So:

Answer - 8 = quotient of 5 and w

Here, quotient is the whole number from a <em>division</em>. The division here is \frac{5}{w}

Therefore,

Answer - 8 = \frac{5}{w}

Answer = 8 + \frac{5}{w}

Hence the phrase into algebraic expression is 8 + \frac{5}{w}

4 0
4 years ago
I need help on this. someone help please!​
Vedmedyk [2.9K]

Answer:

a. The phone will be at 92% and the tablet will be at 88%

b. One hour and 15 minutes for both devices to finish charging.

Step-by-step explanation:

For Part A), we can find that Sam's phone battery is increasing by 12% every 10 minutes. By multiplying 12 by 3 (30 minutes) and adding it to the 56% from the first 30 minutes, we get the answer 92%. The tablet charges 12% per every 15 minutes, and one hour has four sets of 15 minutes. So 12 times 4 and then added to 40% gives us 88%.

For Part B), we must calculate how much time it takes before both devices are fully charged. Because it charges at a slower rate and will finish last, we must rely on the rate of the tablet for this question. At a rate of 12% per 15 minutes, Sam's devices would both be fully charged after an hour and 15 minutes. This is because an additional 15 minutes would give the tablet 12% more battery, and 88 + 12 = 100. If you also needed to know when the phone would finish charging by itself, you would find that the phone only needed 8% left to become 100%. The phone charges at 12% per 10 minutes, and 8 is 2/3 of 12. This would mean the phone would need roughly an additional 7 minutes to charge, making for a total of one hour and 7 minutes for the phone.

Hope this helps!

4 0
3 years ago
Can someone please help?
zhuklara [117]
The answer is H. You have to distribute 6 3/4 into -11.5. The answer is negative because a positive (+) times a negative (-) is a negative (-).
7 0
3 years ago
Read 2 more answers
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