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liraira [26]
2 years ago
7

A falcon flies 800,000 meters in 4 hours. Use the formula d = rt, where d represents distance, r represents rate, and t represen

ts time, to answer the following questions. Show your work.
Part A: Rearrange the distance formula, d = rt, to solve for rate. (2 points)

Part B: Find the falcon's rate in meters per hour. (3 points)

Part C: Find the falcon's rate in kilometers per hour. (3 points)

Part D: Which unit, meters, or kilometers, makes more sense to use in this scenario, and why? (2 points)
Mathematics
1 answer:
pshichka [43]2 years ago
4 0

Answer:

Step-by-step explanation:

A)

d = r* t         Divide both sides by t

d/t = r

r = d/ t

B)

d = 800000

t = 4 hours

r = 800000 / 4

r = 200000 meters/hour

C

r = 200000 meters / hour * [ 1 km / 1000 meters]

r = 200 km / hr

D

I imagine you are more familiar (especially if you live anywhere but the states) with 200 km/ hour. I am very doubtful that any bird can keep that up for 4 hours. 200 km / hour is equal to about 125 miles / hour. There are few places that will allow a car to travel at that speed. You should be using km/hour because you (should) be more familiar with the units.

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150 decreased by 60%
kodGreya [7K]
Hello there the answer to your question would be 60. Since 150-(60%*150) = 150 - 60 *150 = (1-60%)*150 = (100%-60%) * 150= 40% * 150 = 40/100 * 150 = 40 * 150 ÷ 100 = 6000/100 = 60. Hope this helps you out, have a great day!
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Factor completely x^4-17x^2+16​
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Answer:

(x - 1) (x + 1) (x - 4) (x + 4)

Step-by-step explanation:

actor the following:

x^4 - 17 x^2 + 16

x^4 - 17 x^2 + 16 = (x^2)^2 - 17 x^2 + 16:

(x^2)^2 - 17 x^2 + 16

The factors of 16 that sum to -17 are -1 and -16. So, (x^2)^2 - 17 x^2 + 16 = (x^2 - 1) (x^2 - 16):

(x^2 - 1) (x^2 - 16)

x^2 - 16 = x^2 - 4^2:

(x^2 - 1) (x^2 - 4^2)

Factor the difference of two squares. x^2 - 4^2 = (x - 4) (x + 4):

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x^2 - 1 = x^2 - 1^2:

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Factor the difference of two squares. x^2 - 1^2 = (x - 1) (x + 1):

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3 years ago
Nothing at all nothing
Dmitriy789 [7]
Answer would be #9 .hourses
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