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Papessa [141]
3 years ago
4

A survey was conducted at Springdale High to find the number of hours students sleep at night. The histogram shows the data coll

ected in this survey. Which statement about the number of hours students sleep is true? A. Seventeen students sleep between 6 and 8 hours at night. B. Seventeen students sleep for 6 hours at night. C. Ten students sleep for 4 hours at night. D. Six students sleep between 2 and 4 hours at night. E. Four students sleep for 10 hours at night.
Mathematics
2 answers:
Verdich [7]3 years ago
6 0
You have a histogram that we can not see so we can't answer your question.

Please edit your question to provide a picture of the histogram
Olin [163]3 years ago
6 0
I'm not for sure but I think it's D
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7(x+1)=21 solve for x
ElenaW [278]
7(x + 1) = 21
7x + 7 = 21
7x = 14
x = 2
5 0
3 years ago
Please answer the question to the best of your ability :)
Korolek [52]

Answer:

7x^2y(2x-3y)

Step-by-step explanation:

Factor 7x^2y out of 14x^3y-21x^2y^2

3 0
4 years ago
I don’t know if it’s d or t please help asap❗️
Simora [160]

Answer:

The independent variable is T (time)

Step-by-step explanation:

5 0
3 years ago
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Hi! I've tried this problem a couple times but am still stumped :( Can you help?!
aniked [119]

ANSWER:

X\text{ = }\begin{bmatrix}{12} & {-4} & {-2} \\ {-8} & {-13} & {8} \\ {8} & {15} & {18}\end{bmatrix}

EXPLANATION:

Given:

U\text{ = }\begin{bmatrix}{1} & {3} & {-5} \\ {2} & {14} & {11} \\ {-8} & {0} & {5}\end{bmatrix}\text{           V =}\begin{bmatrix}{13} & {1} & {-7} \\ {-6} & {1} & {9} \\ {0} & {15} & {23}\end{bmatrix}

Since U and V are Matrices with equal dimensions(3 x 3 matrix), and

X + U = V.

To solve for X, we have:

X = V - U

\begin{gathered} X\text{ = V - U} \\ X\text{ = }\begin{bmatrix}{13-1} & {-1-3} & {-7-(-5)} \\ {-6-2} & {1-14} & {19-11} \\ {0-(-8)} & {15-0} & {23-5}\end{bmatrix}=\text{ }\begin{bmatrix}{12} & {-4} & {-2} \\ {-8} & {-13} & {8} \\ {8} & {15} & {18}\end{bmatrix} \end{gathered}X\text{ = }\begin{bmatrix}{12} & {-4} & {-2} \\ {-8} & {-13} & {8} \\ {8} & {15} & {18}\end{bmatrix}

6 0
1 year ago
If you were to roll a standard six sided die, what is the probability of rolling a number less than what three other people roll
Elena-2011 [213]

Answer:

likely to be possible .

Step-by-step explanation:

7 0
3 years ago
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