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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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the difference between two numbers is 4. three times the smaller number is equal to two times the larger less two. find the numb
Nataliya [291]

The two numbers are 6 and 10

<em><u>Solution:</u></em>

Let "x" be the smaller number

Let "y" be the larger number

Given that difference between two numbers is 4

larger number - smaller number = 4

y - x = 4 ----- eqn 1

Also given that three times the smaller number is equal to two times the larger less two

three times smaller number = 2 times larger number less two

3x = 2y - 2 ---- eqn 2

From eqn 1,

y = 4 + x --- eqn 3

Substitute eqn 3 in eqn 2

3x = 2(4 + x) - 2

3x = 8 + 2x - 2

x = 6

From eqn 3,

y = 4 + 6 = 10

Thus the two numbers are 6 and 10

3 0
3 years ago
Solve the literal equation for x. Y= 5x-4x
natta225 [31]

Answer:

y=triangle

Step-by-step explanation:

hoover

8 0
3 years ago
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ASAP PLEASE!
ruslelena [56]

Answer:

173,740

Step-by-step explanation:

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8 0
3 years ago
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What is the slope of the line that goes through the points (2,-1) and (6,1)
drek231 [11]

Answer: The slope is \frac{1}{2}.

Step-by-step explanation:

1. You set up your Slope Formula M=\frac{y2-y1}{x2-x1}.

2. Substitue your points into the formula.M=\frac{1--1}{6-2}.

3. Once you substitute, you will solve the equationM=\frac{2}{4}.

4. Simplify the equation if you have to M=\frac{1}{2\\}.

7 0
3 years ago
Write the point-slope form of the equation of the line that passes through the points (6, -9) and (7, 1). Include your work in y
Taya2010 [7]
<h3><u>y + 9 = 10(x - 6) is the point-slope form of the equation of the line that passes through the points (6, -9) and (7, 1)</u></h3>

<em><u>Solution:</u></em>

<em><u>Given points are:</u></em>

(6, -9) and (7, 1)

<em><u>Let us find the slope of line</u></em>

m = \frac{y_2-y_1}{x_2-x_1}

From given,

(x_1, y_1) = (6,-9)\\\\(x_2, y_2) = (7, 1)

Therefore,

m = \frac{1+9}{7-6}\\\\m = \frac{10}{1}\\\\m = 10

Thus slope of line is 10

<em><u>The point slope form of line is given as:</u></em>

y - y_1 = m(x-x_1)

Substitute m = 10 and (x_1, y_1) = (6, -9) in above

y + 9 = 10(x - 6)

Thus the equation of line in point slope form is found

6 0
3 years ago
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