if y varies directly with x find the constant of variation with x=4 and y=-24

Mathematics
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if y varies directly with x find the constant of variation with x=4 and y=-24

a,-6

b,4

c,-96

d,6

Apr 8th, 2015

k = -24/4

k = -6

.........................................................

Apr 8th, 2015

thank you

Apr 8th, 2015

welcome

Apr 8th, 2015

I have more can you help

Apr 8th, 2015

sure

Apr 8th, 2015

if y varies inversely with x find the constant of variation with x =5 and y=10

A,2

b,50

c,5

d,10

Apr 8th, 2015

50

Apr 8th, 2015

if y varies directly with x and y=35 when x=5, find x when y=-7

a,1

b,7

c,-1

d,5


Apr 8th, 2015

-1

Apr 8th, 2015

thank you so much your reALY GOOD IN MATH  im sorry to ask you buti have 5 more  is that ok

Apr 8th, 2015

if y varies directly with x and y=-12 when x=6 find x when y=-4

A,-2

B,3

C,-3

D,2

Apr 8th, 2015

2

Apr 8th, 2015

if y varies inversely with x and y=8 when x-10 find x when y=4

A,80

B,32

C,20

D,6

Apr 8th, 2015

20

Apr 8th, 2015

if y varies inversely with x and y=-5 when x=20 find x when y=-4

16

25

-100

-25

Apr 8th, 2015

25

Apr 8th, 2015

on a snowy day the amount of money Billy earns M varies  directly with the number of driveways that he shovels D when he shovels 7 driveways he earns $80.50 how much dose he  earn if he shovels 13 driveways

$149.50

$11.50

$161.00

$113.00

Apr 8th, 2015

149.50

Apr 8th, 2015

‚Äčthe amount a spring will stretch S varies directly with the weight F attached to the spring if a spring stretches 2.22 inches with 37 pounds attached how far will stretch when 25 pounds are attached.

A, 0,6 inches

B, 16.67 inches

C,0.95 inches

D,1.5 inches


Apr 8th, 2015

1.5

Apr 8th, 2015

ok how dose this site work ? 


Apr 8th, 2015

you can post either paid question or free question

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for free question amount is paid by site

Apr 8th, 2015

my friend told me this was a free site so do I have to pay you know cause I have no money


Apr 8th, 2015

you can post free questions.............

Apr 8th, 2015

and there you can best my answers, the amount will be paid by site

Apr 8th, 2015

oh ok  cause  I have 2 math classes  and im  so bad in math so   if you not mine can  you still help me if not it fine

Apr 8th, 2015

yes sure, post free questions

Apr 8th, 2015

ok thank you


Apr 8th, 2015

welcome

Apr 8th, 2015

An increase in pay because of how well  you do a job is called

A, merit pay

B, promotional pay

C, longevity increase

D, performance pay

Apr 8th, 2015

please post this as free question

Apr 8th, 2015

ok

Apr 8th, 2015

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