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rusak2 [61]
2 years ago
9

Ned rides his bike 6 miles to the store and 6 miles back. The graph shows the relationship between the distance Ned is from home

at any time throughout his trip and the distance he spends riding the bike. Which statement is true about Ned's ride?
A. Ned's speed is constant for the entire ride from 0 to 90 minutes
B. Ned's speed is constant on the interval from 0 to 60 minutes.
C. Ned's speed between the interval from 20 to 40 minutes is the same as his speed over the interval 50 to 90 minutes.
D. Ned's speed over the interval from 20 to 40 minutes is faster than his speed over the interval from 0 to 20 minutes.

Mathematics
1 answer:
Degger [83]2 years ago
3 0

Answer:

The answer is D

Step-by-step explanation:

A cant be right because the graph isn't a straight line.

B cant be right because from 0 to 60 the graph the line goes at a(n) upward slope not a straight line.

Although the first part of question c is right, the second part is wrong. From 50-90 the ling goes at a downward slope via decreasing, which isn't equal like it said so question C is wrong.

So the correct answer is D

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Answer:

3) 0.72

Step-by-step explanation:

The probability that tomorrow the Fed will cut interest rates (P(F)) OR the DJIA will go up (P(D)), is the sum of each event's individual probability minus their joint probability (Fed cutting interest rates AND the DJIA will going up, P(FD))

P(F+D) = P(F) +P(D) - P(FD)\\P(F+D) = 0.5 + 0.67 - (0.5*0.9)\\P(F+D) = 0.72

The probability that tomorrow the Fed will cut interest rates or the DJIA will go up is 0.72.

5 0
3 years ago
What is the missing number? 75/80 = /16
Naddika [18.5K]

Answer:

15

Step-by-step explanation:

75/80=__/16

everything has been simplified by dividing it by 5

80/5=16

75/5=?          ?=15

5 0
3 years ago
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What is the answer to this question? Please answer asap
MrMuchimi
Fg(-2).  Replace the x in f(x) with the equation of g(x):

fg(x) = 5(6x + 6) = 30x + 30

Therefore,

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6 0
4 years ago
Assume a significance level of α=0.05 and use the given information to complete parts​ (a) and​ (b) below.
Roman55 [17]

Answer:

A.Reject Upper H0 because the​ P-value is less than or equal to to α.

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Step-by-step explanation:

Given the claim :

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H0 < 0.51 ;

Alternative hypothesis which is the opposite of the Null

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4 0
3 years ago
Please Help!!!!!!!!!!!
vitfil [10]

Answer:

D

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3 0
3 years ago
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