3 years ago

If the value of "y" Varies directly with "x" and y = -8 when x = 20, find "y" if x = -4.

Mathematics

1 answer:

Neko [114]3 years ago

6 0

Answer:

Step-by-step explanation:

When y varies directly with x

y=kx x=20 y=-8

k=y/x

k=-8/20

k=-0.4

now when x=-4 find y

y=kx

y=-0.4*-4

y=1.6

You might be interested in

Mr. Sanchez’s class sold fruit pies for $1.73 each and Mr. Kelly’s class sold bottles of fruit juice for $1.44 each. Together, t

-Dominant- [34]

Answer:

p = 39 f = 44

Step-by-step explanation:

p = $ 1.73

f = $ 1.44

equation

p + f = 83

1.73 p + 1.44 (83 - p) = $ 130.83

p = 39 (amount of times fruit pies were sold).

Therefore,

p = 39

f = 44

4 0

2 years ago

Simplify. -11 - (-42)

ozzi

Marcus made a mistake in Step 2. 5/2.5 is 2 not 3.

-11 -(-42) A double negative makes a positive

-11 + 42

31

6 0

3 years ago

2. The city of Johnsonville was 1.5 inches of rain short of the normal amount for the year at the end of July. During the

Dafna11 [192]

Answer:

0.6 is the diference

Step-by-step explanation:

5 0

3 years ago

Can a triangle be drawn with the following angle measures? 45, 55, 65

shtirl [24]

No because a triangle is 180 degrees and the following angles only equal to 165

4 0

3 years ago

on one roll of a 1 to 6 number cube, what is the probability that the upturned face will show an even number of dots?

Vinvika [58]

Answer:

50%

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers