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zvonat [6]
3 years ago
5

What is the value of 12 more than the quiotent of a number of and two decreased by 4 when n is 4

Mathematics
1 answer:
liberstina [14]3 years ago
4 0

Answer:

<h2>10</h2>

Step-by-step explanation:

"12 more than the quiotent of a number n of and two decreased by 4"

\left(\dfrac{n}{2}-4\right)+12

Simplify:

\left(\dfrac{n}{2}-4\right)+12=\dfrac{n}{2}-4+12=\dfrac{n}{2}+8

Put n = 4 to the expresssion:

\dfrac{4}{2}+8=2+8=10

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The variable y is directly proportional to the variable x. If y = 32 when x = 20, what is the value of x when y = 40?
elena55 [62]

Answer:

The Correct option is C ) 25

Therefore the value of x is 25 when y =40.

Step-by-step explanation:

Given:

Variable 'y' is directly proportional to the variable 'x'.

\therefore y=kx     ......Direct Variation

Where,

k = Constant of proportionality

To Find:

value of x = ? when y = 40

Solution:

First we need to find Constant of proportionality

When x = 20 and y = 32

Substituting the values we get

32=k\times 20\\k=\dfrac{32}{20}=1.6\\\\k=1.6

Now when k =1.6 , y = 40 then x will be

40=1.6\times x\\\\x=\dfrac{40}{1.6}=25\\\\x=25

Therefore the value of x is 25 when y =40.

6 0
3 years ago
Which of the following points lies in the l and ll quadrants.
meriva

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Quadrant I points have positive x and y values. Quandrant II points have negative x values and positive y values.

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The doubling time of a population of grasshoppers is 10 days. By what factor does the population of grasshoppers grow in 35 days
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it increased by a factor of 8
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