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SOVA2 [1]
3 years ago
12

Find y when x=14 if y varies directly with x2, and y =72 when x=6

Mathematics
1 answer:
Art [367]3 years ago
3 0
6 times 12 is 72 so 14 times 12 would be 168 if that is what you are looking for. So for that y=168 :-)
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if it is cloudy on a given day it is 40% likely to rain. in general the chance of clouds on any given day is 50%. The probabilit
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The answer is 30%. I hope it will work.
5 0
3 years ago
Dr. Hoover, a pediatrician, has 3 annual checkups and 2 sick visits scheduled next Tuesday,
Jet001 [13]

Dr. Hoover allot his time on Tuesday for an annual checkup is 147 minutes and for a sick  visit is 42 minutes ​(Total 189 minutes)

On Wednesday appointment,  he allot his time for an annual checkup is 147 minutes and for a sick  visit is 21  minutes ​ (Total 168 minutes)

solution

Let us assume, minutes for annual checkup denoted as x and

minutes for sick visit denoted as y

The equation of Tuesday visit is       3x + 2y = 189 minutes ------ 1

The equation of Wednesday visit is    3x + 1y = 168 minutes ------ 2

by changing the signs of the equation 2  and  subtract it from the equation 1 we will get   1y = 21 minutes

to substitute y =1 in the equation 2 we get

3x + 2(21) = 189

3x + 42 = 189

3x = 189 - 42

3x = 147

x = 147 ÷ 3 = 49 minutes

then now we have substitute both x = 49 and y= 21 in equation ----- 2

we will prove that 3x + 2y = 189  = 3 (49) + 2(21) = 189 147+ 42 = 189 minutes

so the Tuesday appointment , the time allotted for an annual checkup is 147 minutes and for a sick  visit is 42 minutes ​(Total 189 minutes)

On Wednesday appointment,  the time allotted for an annual checkup is 147 minutes and for a sick  visit is 21  minutes ​ (Total 168 minutes)

         

6 0
3 years ago
Mr. Varello is paid semimontnly. His annual salary is $64,333. What is his semimonthly
scoray [572]

Answer: His semimonthly salary is $2,680.54.

Step-by-step explanation:

64,333/12 = 5,361.08

5,361.08/2 = 2,680.54

8 0
3 years ago
Which is a rational number?<br> 3.<br> 4.<br> 5/5<br> 6.12
k0ka [10]

Answer:

i pretty sure one of em is 6.12

4 0
3 years ago
Plsss helppp, tysmm!!
Vinvika [58]

Answer:

It should be PT and NO

Hope this helps!

4 0
3 years ago
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