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Liono4ka [1.6K]
3 years ago
14

I WILL GIVE BRIANLISTSActivity Thinking About Circles Around You Do this activity together to investigate circles in the real wo

rld. Have you ever wondered why runners start at different spots on a track instead of lining up together? This is called a staggered start. Sincetrac Since tracks have semicircles (or half circles) on the ends, if all the runners lined up together, runners in outer lanes would need to run farther than runners in inner lanes. Why? Because the circumference of the outer lane is greater than the circumference of the inner lane. Staggering starting positions ensures that all runners run the same distance! ? Where do you see circles and semicircles in the world around you? Why could finding the area or circumference be helpful?​

Mathematics
2 answers:
solong [7]3 years ago
8 0

Answer:

Step-by-step explanation:

1) The sun, the moon, windows, drawings, this: . And much more…

2) For example, how far you have to walk around a track, how big the moon is, how much ribbon you need to wrap around a circle present…

nadya68 [22]3 years ago
7 0

Answer: I dont know

Step-by-step explanation:

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Multiply the complex numbers (5 − 3i) and (9 + 2i).
amid [387]
The answer is

51-17i

Explanation :

5x95x2i-3ix9-3ix2i
45+10i-27i-6^2
45+10i-27i-6(-1)
45+10i-27i + 6
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3 years ago
Emma researched mutual funds and found one that earned 9% interest. She put all of her money, $4000, in the account and plans to
timurjin [86]
A) After college graduation, Emma will have $7,312.16.
b) Emma's account earned $3312.16.
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4 years ago
Can anyone please help me??? It’s for a test
Nimfa-mama [501]

Answer:

They provide you with a graph that already has all the numbers and there is a data table. The data table lists all the numbers you have to plot onto the graph.

How to graph: The first number is 27, which is the vehicle weight in hundreds of lbs. On the graph, you can see that on the x-axis, it says weight (in hundreds of lbs). So first, look at the x-axis numbers and find somewhere between 25 and 30 and try to estimate where 27 would be.

Now look at the city MPG value that corresponds to 27, the weight value. It is 25. That's perfect because it is exactly the intervals the graph is in. So find 25 on the y-axis since the y-axis represents the city MPG. Now draw a straight line from the 25 on the y axis to the right. Then, draw a line from the 27 on the x axis straight up and where the two meet is the first point. Obviously, you don't need to make it that complicated if you don't need all the extra steps to understand but it is just in case you don't know how to graph the points.

Repeat for the rest of the points (make sure you use the correct corresponding points). Good luck on your test!

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP ME WITH THIS QUESTION!!!!What value for a will result in an equation with infintely many solutions? a(x + 5) = 3x +
Burka [1]

Answer:

3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find all solutions for 2y - 4x =2 y = 2x + 1 site:socratic.org
sladkih [1.3K]

Answer:

All real numbers would be the solution

Step-by-step explanation:

2y - 4x =2 and y = 2x + 1

We solve but placing the value of y into the first equation:

2(2x + 1) - 4x = 2

Next we distribute the 2 through the parenthesis:

4x + 2 - 4x = 2

Now we gather like terms:

2 = 2 ( note the 4x and - 4x cancel out)

Since 2 =2 this tells us that all real numbers would work.

5 0
3 years ago
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