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mr_godi [17]
2 years ago
10

Which is an irrational number

Mathematics
1 answer:
astraxan [27]2 years ago
8 0

Answer:

C

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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Superman needs to save Lois from the clutches of Lex Luther. After flying for 15 seconds, he is 2100 meters from her. Then at 18
posledela

Part A

x = time in seconds that have gone by

y = distance in meters Superman is away from Lois

"After flying for 15 seconds, he is 2100 meters from her" means we have the point (x,y) = (15, 2100)

"at 18 seconds he is 1980 meters from her" tells us we have a second point (x,y) = (18,1980)

--------

Find the slope of the line through these two points

m = (y2-y1)/(x2-x1)

m = (1980-2100)/(18-15)

m = (-120)/(3)

m = -40

The slope is -40 which means Superman is getting 40 meters closer each second. I.e, the distance is dropping 40 meters per second

--------

Use one of the points and the slope to find the y intercept b

y = mx+b

2100 = (-40)*15 + b

2100 = -600 + b

2100+600 = b

b = 2700

This is the starting distance Superman is away from Lois

--------

Since m = -40 and b = 2700, we know the y = mx+b equation becomes y = -40x+2700.

Replace x with s, replace y with m. We now have m = -40s+2700

---------

<h3>Final Answer:  m = -40s+2700</h3>

============================================

Part B

Plug s = 6 into the equation we found for part A. Then simplify.

m = -40s+2700

m = -40*6+2700

m = -240+2700

m = 2460

---------

<h3>Final Answer: 2460 meters</h3>
7 0
2 years ago
13. NBT.4
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B 0.05 since the thousandth digit is higher than 5, it needs to be rounded up.
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A student bought artichokes for 8.40, cucumbers for 2.88, lettuce for 4.65, tomatoes for 1.15, and broccoli for 2.50. Find a rea
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Answer:

20

Step-by-step explanation:

8+3+5+1+3=20

rounded up at .50 or higher

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3 years ago
What is 6.5 multiplied by 0.2?
Angelina_Jolie [31]
The answer to this is 1.3
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3 years ago
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