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VladimirAG [237]
3 years ago
12

Suppose y varies directly as x, and y = 21 when x = 3. Find x when y = 42.

Mathematics
1 answer:
nata0808 [166]3 years ago
7 0

Answer:

x = 24

Step-by-step explanation:

y₂ - y₁

42 - 21 = 21

x + 21

3 + 21 = 24

So when y increases by 21, so does x.

x = 24

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(5x² – 8x + 1) + (2x² - 4x – 11)
djverab [1.8K]

Answer:

7x²-12x-10

Step-by-step explanation:

(5x²-8x+1) + (2x²-4x-11)

combine like terms

7x²-12x-10

7 0
3 years ago
(07.06 MC) What is the solution to the equation 1.2m − 0.8 = −2.0m? m = 0.25 m = 0.4 m = 1 m = 4
Vikki [24]

Answer:

m = 0.25

Step-by-step explanation:

-0.8 = -3.2m

m = 0.25

8 0
2 years ago
A shelter has enough food to feed an average of 80 hungry people a day for 14 days. If an average of 32 people are at the shelte
egoroff_w [7]

Multiply 80 by 14 to get how many total people they can feed.

80 times 14 is 1120.

Now, divide 1120 by 32 to get how many days the food will last if 32 people come every day.

1120/32 = 35.

The answer is B, 35 days

4 0
3 years ago
Read 2 more answers
Help help help help help help
jeka57 [31]

Answer:

the simplified answer is y= 63/8

5 0
3 years ago
Read 2 more answers
What is the slope of the blue line? what is the slope of the green line?
Ymorist [56]

Answer:

Blue Line’s Slope: -4/2

Green Line’s Slope: -4/2

Step-by-step explanation:

The slope of the line is the rise over run, or in this case the fall over run.

<h2><u>Hope This Helped!</u></h2>
4 0
2 years ago
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