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kodGreya [7K]
3 years ago
15

in a survey at a local university, 65% of students say that they get less than the recommended right hours of sleep per night. i

n a group 2100 students, how many would you expect get right or more hours of sleep per night?
Mathematics
1 answer:
Arlecino [84]3 years ago
7 0
.35(2100)= 735 students
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A 5-pound bag of apples cost $3.50. Use that rate, to complete the table to identify equivalent ratios, and then answer the ques
STALIN [3.7K]
Set up a proportion. 3.50 over 5 = x over 1 (x is what we are trying to find= the cost of 1 lb of apples)
Use cross products and multiply 3.50 by 1 to get 3.50 and then divide that by 5 to get 0.7.

So the apple cost 0.7 or seventy cents per pound.

Check: 0.7*5=3.5

That is correct!

Hope this helps!
Can u plz mark me as brainliest? I really need it!
3 0
4 years ago
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G(x) = x2 + 3x - 2, find g(-2) Please Explain
Vlad1618 [11]
G(-2) means "evaluate the equation at -2"; it's asking you to swap out the "x" in the equation and sub in -2.

g(x) = x² + 3x - 2  ... plug in -2
g(-2) = (-2)² + 3(-2) - 2  ... simplify
g(-2) = 4 + (-6) - 2 ... add/subtract
g(-2) = -4
5 0
3 years ago
Write the equation y=4x+9 in standard form using integers.
rosijanka [135]

Answer:

4x-y=-9

Step-by-step explanation:

The standard form of an equation is when both variables, x & y, are on the same side of the equation with a number on the other side.

To transform this equation from slope-intercept form to standard form, just switch sides for the y and the 9 like follows.

4x-y=-9

I hope this helped you :D

4 0
3 years ago
Are the two figures congruent (I don’t know if they are because one is rotated)
Vladimir79 [104]

Answer:

Yes they are

Step-by-step explanation:

Conguent shapes are still conguent even if rotated and flipped. As long as their angles and length of sides are the same, they are congruent

4 0
3 years ago
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How can △WXY be mapped to △MNQ?
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The answer is : 2)line segment wy
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