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Nuetrik [128]
3 years ago
5

Which is an equation of a direct proportion?

Mathematics
1 answer:
meriva3 years ago
8 0

y=kx

<h2>Explanation:</h2>

When we say that an amount of something increases as another amount increases, at the same rate, then we are talking about Direct Proportion. It is also true for an amount of something that decreases as another amount decreases, at the same rate. So "y varies directly as x" can be written as:

y\propto x

In other words:

y=kx

Where k is the constant of proportionality, and represents the slope of a line that passes through the origin.

<h2>Learn more:</h2>

About this subject: brainly.com/question/12809482

#LearnWithBrainly

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CORRECT ANSWER GETS A BRAINLIEST + 15 POINTS! ( Please help and try ur best!)
Deffense [45]

Answer:

-32 i think i might be wrong

Step-by-step explanation:

4 0
3 years ago
A high school class wants to make at least $1500 by hosting a dance. The class knows that they will make $500 in refreshments.
DiKsa [7]

Answer: part A= (1500 - 500) = 5m

part B= (1500 - 500) = 5m

= 1000 = 5m

1000/5= m

200=m

Step-by-step explanation:

Hope i helped and got it right

4 0
3 years ago
A theater is selling movie tickets. The first night, 19 Senior tickets and 57 Adult tickets were sold. The second night, 20 Seni
Butoxors [25]

Answer:

The theater sold a higher ratio of Senior tickets to Adult tickets on the first night.

Step-by-step explanation:

Rate of senior tickets to adult tickets:

Can also be interpreted as the percentage of senior tickets, out of the number of total tickets, which is the number of senior tickets multiplied by 100% and divided by the number of total tickets.

The first night, 19 Senior tickets and 57 Adult tickets were sold.

19 out of 19 + 57 = 76. So

19*100%/76 = 25%

The second night, 20 Senior tickets and 62 Adult tickets were sold.

20 out of 20 + 62 = 82. So

20*100%/82 = 24.39%

25% > 24.39%, so the theater sold a higher ratio of Senior tickets to Adult tickets on the first night.

4 0
3 years ago
Jerry, the electrician, works 9 months out of the year. What percent of the year does he work?
zmey [24]

Answer:

He works 75% of the year

Step-by-step explanation: 9/12 as a fraction is 75/100, so the answer is 75%

3 0
3 years ago
Read 2 more answers
What is 2x-4. I really don’t understand
ddd [48]

Answer:

2 * -4 = -8

Step-by-step explanation:

2 * -4 = -8

It is just like multiplying two numbers like... 2 * 4 = 8

You must need to know that:

+a * -b = -c

-a * -b = +c

+a * +b = +c

In your question;

+a * -b = -c

a = 2

b = -4

c = -8

therefore:

2 * -4 = -8

3 0
3 years ago
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