3 years ago

Direct Variation: If y = 20, when x = 8, find y when x = 40.

Mathematics

2 answers:

yarga [219]3 years ago

6 0

The answer would be D

Ilya [14]3 years ago

4 0

Answer:

Step-by-step explanation:

X is increased by a factor of 5, so y should be multiplied by 5 as well. So y = 20*5=100

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The number of cans the soup kitchen has is represented by the equation, y = -63x + 825, where x represents the number of days an

KiRa [710]

To find the answer to this question, we need to plug in x=10 into the equation y = -63x + 825.
y = -63(10) + 825
y = -630 + 825
y = 195
Thus, there will be 195 cans left after 10 days.

8 0

3 years ago

Read 2 more answers

I need help please I don’t understand

Evgen [1.6K]

You don’t need to do the math, think logically.

35% is almost 33%.

1/3 (33%) of 64,000 is 21,000.

The closest choice is H. 22,400.

3 0

3 years ago

Please help I’ll give brainliest

s344n2d4d5 [400]

Answer:

R = 13%

Step-by-step explanation:

P = $4000

I = $780

T = 18 months = 18/12 years

$I = \frac{PRT}{100} \\\\780 = \frac{ 4000 \times R \times \frac{18}{12}}{100}\\\\780 = \frac{6000 \times R }{100}\\\\780 = 60R\\\\R = \frac{780}{60} = 13 \%$