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Alex73 [517]
4 years ago
14

Jason needs to explain to his class how to use mental math to find the product of 400,000×50,000 how would u explain that

Mathematics
1 answer:
elena55 [62]4 years ago
4 0
You  would do 5 times 4 which is 20. then count how many zero's there are and put them after the 20.
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Which pair of ratios forms a proportion?
Murrr4er [49]

Answer:

6/7 and 48/56

Step-by-step explanation:

6x8=48

7x8=56

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3 years ago
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F(x)=x²-3 tell whether the function is quadratic or not?​
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state whether this function is quadratic? why or why not?

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3 years ago
Elsa, Ryan, and Bill have a total of $135 in their wallets. Ryan has 4 times what Bill has. Elsa has $9 more than Bill. How much
NNADVOKAT [17]

Answer:

Bill has $21.

Step-by-step explanation:

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6 0
3 years ago
Shane rode his bike for 2 hours and traveled 12 miles. At this rate how long would it take him to travel 22 miles?
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3 0
4 years ago
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What is the distance between points M and N?
Free_Kalibri [48]

By using <em>triangle</em> properties and the law of the cosine twice, we find that the distance between points M and N is approximately 9.8 meters.

<h3>How to determine the distance between two points</h3>

In this problem we must determine the distance between two points that are part of a triangle and we can take advantage of properties of triangles to find it. First, we determine the measure of angle L by the law of the cosine:

\cos L = \frac{(19.6\,m)^{2}-(14.8\,m)^{2}-(21.4\,m)^{2}}{-2\cdot (14.8\,m)\cdot (21.4\,m)}

L ≈ 62.464°

Then, we get the distance between points M and N by the law of the cosine once again:

MN = \sqrt{(7.4\,m)^{2}+(10.7\,m)^{2}-2\cdot (7.4\,m)\cdot (10.7\,m)\cdot \cos 62.464^{\circ}}

MN ≈ 9.8 m

By using <em>triangle</em> properties and the law of the cosine twice, we find that the distance between points M and N is approximately 9.8 meters.

To learn more on triangles: brainly.com/question/2773823

#SPJ1

6 0
2 years ago
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