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7nadin3 [17]
3 years ago
14

Help pls!!!!!!!!!!!!

Mathematics
2 answers:
timurjin [86]3 years ago
8 0

Answer:

z = (1/9) w or w = 9z

Step-by-step explanation:

w = 18 , z = 2

if relationship is proportional than z = k (constant) *w

2 = k * 18 divide each side by 18

k = 2/18 = 1/9

Ksivusya [100]3 years ago
5 0

Answer:

w=9z

Step-by-step explanation:

For each z value, w is 9 times that. For instance, 18 is 9 times 2, and 45 is 9 times 5. Therefore, the equation that would describe this is w=9z. Hope this helps!

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$84.87

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2 years ago
Prove that the value of the expression<br> (16^3–8^3)(4^3 +2^3) is divisible by 63.
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Answer:

Step-by-step explanation:

16^3 - 8^3

Take out 8^3 as a common factor.

16^3 = 2^3 * 8^3

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72

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2 years ago
In a survey at a local university, 45% of students say that they get less than the recommended eight hours of sleep per night. I
vlabodo [156]

Answer: In a survey at a local university, 37% of students say that they get less than the recommended eight hours of sleep per night. In a group of 2200 students, how many would you expect get eight or more hours of sleep per night?

Please help ASAP!

(Scroll Down for Answer!)

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Answer by macston (5194) About Me  (Show Source):

You can put this solution on YOUR website!

If 37% get less than 8 hours of sleep, 100%-37%=63%

63% get 8 hours or more per night:

(0.63)(2200)=1386

ANSWER: You would expect 1386 to get 8 or more hours of sleep per night.

   This is an equation! Solutions: x=1.

   Graphical form: Equation 3%2Ax-x%2B2=4 was fully solved.

   Text form: 3*x-x+2=4 simplifies to 0=0

   Cartoon (animation) form: simplify_cartoon%28+3%2Ax-x%2B2=4+%29

   For tutors: simplify_cartoon( 3*x-x+2=4 )

   If you have a website, here's a link to this solution.

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