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melamori03 [73]
3 years ago
14

Draw a model to represent the ratio 1 to 3. Describe how to use the model to find an equivalent ratio. Please help I'm really st

uck.
Mathematics
1 answer:
Gnesinka [82]3 years ago
3 0

Answer: See below

Step-by-step explanation:

Make a table with first set of numbers as 1,3. Multiply both the numbers of this set sequentially by natural numbers to get the following table

1   2  3  4    5    6     7    8     9      10......

3  6  9  12  15    18   21   24   27    30......

We see that in each set of numbers the 2nd number is 3 times the first number.

If we plot these sets of numbers on a graph paper, we get a model depicting all the points which satisfy this ration requirement.

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Explain how using basic facts can help you find 10x20x30x40 mentally.
sladkih [1.3K]
You know that anything times a one is that number, so multiply 2,3, and 4, and then multiply that by one. once you get the answer, put the zeros behind each multiplied number behind your answer, and there you go.

2×3×4= 24×1=24
there are 4 zeros
240,000
4 0
2 years ago
A rental car agency charges $249 per week plus $0.25 per mile to rent a car. the charge for a minivan is $180 per week plus $0.4
Alecsey [184]

Answer:

460 miles, 1 week

Step-by-step explanation:

249 per week + 0.25 per mile

180 per week + 0.4 per mile

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6 0
2 years ago
If the diameter of a circle is 15 centimeters, what is the circumference of the circle in terms of Pi?
Nat2105 [25]
Circumference of a circle: 2 * Pi * R
1. Calculate radius from diameter.
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Radius = 15/2
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Formula to calculate the circumference:
2 * Pi * R
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= 15 * Pi
= About 47.10 cm in terms of Pi.

So, in conclusion, the circumference if this circle is about: 47.10cm.
6 0
3 years ago
In which year did the population grow the fastest ? Justify your answer using the average rate of change
ch4aika [34]
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3 0
2 years ago
Can someone answer this question for me?
hjlf

Answer:

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