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Feliz [49]
3 years ago
12

Jess surveys her class to find out how many hours of sleep her classmates get per night. She lists the number of hours for each

student,
8, 11, 10, 9, 9, 10, 11, 8, 10, 9, 8, 9, 7, 9, 10, 9, 11
Which question can be answered with Jess's data?
A. Who gets the most hours of sleep per night?
8. Who gets 7 hours of sleep per night?
C. How many hours of sleep does Jess get per night?
D. How many students get 8 hours of sleep per night?
Mathematics
2 answers:
Inessa [10]3 years ago
5 0
D. Umm explanation you’re not asking for who but the number of students.
TiliK225 [7]3 years ago
4 0

Answer:

D

Step-by-step explanation:

Just by looking at the data, you cannot answer A, B, or C because they are asking for who. There is no information on the data on WHO each piece of data is referring to. You can only answer D, which asks for HOW MANY. You can count how many 8s there are and answer the question.

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A TV has a listed price of $530.99 before tax. If the sales tax rate is 7.25%, find the total cost of the TV with sales tax incl
astraxan [27]

Answer:

569.49$

Step-by-step explanation:

7.25% = .0725

530.99 x 0.725 = 38.50

530.99$ + 38.50$

569.49$

8 0
2 years ago
Carla needs to rent storage space for some of her belongings. She paid a one-time original storage fee of $25.00, and now pays $
OleMash [197]

Answer:

TC = 36t + 25

Step-by-step explanation:

The amount paid by Carla as a storage fee or fixed cost = $25

Monthly rent or variable cost = $36

Let the number of months = t

Now we have to find the expression that represents the total cost. Below is the formula to find the expression.

Total cost = Variable cost + Fixed cost

Total cost = 36t + 25

TC = 36t + 25

3 0
4 years ago
Select two ratio that are equvivalent to 4:18
Marizza181 [45]

Answer:

2:9

Step-by-step explanation:

3 0
3 years ago
25 POINTS!!! The equation y=470x represents the relationship between x, the time that a plane flies in hours, and y, the distanc
sineoko [7]

Answer:

Step-by-step explanation:

For plane A,

Equation that represents the relationship between time 'x' and distance 'y' is,

y = 470x

By comparing this equation with the slope-intercept form of the equation,

y = mx + b

m = slope = 470

b = 0

Here, slope represents the speed of plane A.

Therefore, speed of plane A = 470 mi per hour

For plane B,

From the given table,

Slope of the graph = \frac{y_2-y_1}{x_2-x_1}

                                = \frac{960-480}{2-1}

                                = 480

Speed of plane B = 480 miles per hour

Since, speed of plane B is more than plane A,

Plane B is flying faster.

8 0
3 years ago
Help with number 7. we just started this unit so i'm clueless.. please help!
crimeas [40]
You first need to isolate the y
4x+9y=-108
9y=-4x-108 (subtract 4x from both sides)
y=-4/9x-12 (divide both sides by 9)
Then, by using the y=mx+b form, we can tell that the y-intercept is -12 so A

Hope this helps
7 0
3 years ago
Read 2 more answers
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