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zalisa [80]
3 years ago
5

Can someone write me a proportional relationship WORD problem, 7th grade. pls it’s for a project

Mathematics
1 answer:
bija089 [108]3 years ago
3 0

Janet ran 100 meters in 15 seconds. How long did she take to run 2 meters?

Solution:

100/15 = y/2

Solve for y.

y = (15/100)(2)

y = 0.3

Answer: She took 0.3 seconds.

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What do I have to do?
bekas [8.4K]
This is to do with ratios, the idea behind it is that you see that the side of length 24 is an enlarged version of the side labelled 16. Using this you can see that the ratio of enlargement is 1.5, therefore x = 26/1.5 = 53/2
8 0
4 years ago
You roll a fair 6-sided die 3 times. What is the likelihood of getting exactly one 4, exactly one 5, or exactly one 6
Whitepunk [10]

Answer:

Depends. Check out the explanation below.

Step-by-step explanation:

Depending on which number you choose, you will have the same chance for each of them. To find out the chance of each of them, you first need to find the denominator, which is 6 because there are 6 sides of a dice. Now, we need to find the numerator. How many sides are we looking at? 1? 2? 3? Depending on how many sides there are, is your probability. So, if there is one side you are trying to find, it would be 1/6. If there are two sides, it would be 2/6 or 1/3. And so on.

6 0
2 years ago
The xyz car rental Agency charges a flat rate of 39 per day plus 0.47 per mile driven
olasank [31]
If d is days and m is is miles
rate= 39d + 0.47m
4 0
3 years ago
What is the equation of the quadratic function that has vertex (-3, 1) and passes through the point (-2, 4)?
Marat540 [252]
  • Vertex form: y=a(x-h)^2+k , with (h,k) as the vertex.

For this, we will be using vertex form. Firstly, plug the vertex into the vertex form equation:

y=a(x-(-3))^2+1\\y=a(x+3)^2+1

Next, we need to solve for a. Plug in (-2,4) into the x and y coordinates to solve for a as such:

4=a(-2+3)^2+1\\4=a(1)^2+1\\4=a+1\\3=a

Putting our equation together,<u> it's y=3(x+3)^2+1</u>

<u>*Additional section*</u>

  • Standard form: y=ax^2+bx+c

Converting to standard form as such:

y=3(x+3)^2+1\\y=3(x^2+6x+9)+1\\y=3x^2+18x+27+1\\y=3x^2+18x+28

8 0
3 years ago
What is 130000000000000000 x 2345
ArbitrLikvidat [17]
3.0485e+18. That is the answer
6 0
3 years ago
Read 2 more answers
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