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Strike441 [17]
4 years ago
9

Two riders are in a bike race. The second rider starts half an hour late but rides 4 miles per hour faster than the first rider.

If they both finish 3 hours after the race starts, how fast are they each riding?
Mathematics
1 answer:
Nesterboy [21]4 years ago
5 0
The answer to this question is 20 mph and 24 mph
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Given the sequence 38, 32, 26, 20, 14, ..., find the explicit formula.
-BARSIC- [3]

Answer:

The explicit formula for the sequence is

<h2>44 - 6n</h2>

Step-by-step explanation:

The above sequence is an arithmetic sequence

For an nth term in an arithmetic sequence

A(n) = a + ( n - 1)d

where a is the first term

n is the number of terms

d is the common difference

From the question

a = 38

d = 32 - 38 = - 6 or 20 - 26 = - 6 or

14 - 20 = - 6

So the formula for the sequence is

A(n) = 38 + ( n - 1)-6

= 38 - 6n + 6

We have the final answer as

<h3>A(n) = 44 - 6n</h3>

Hope this helps you

8 0
4 years ago
Read 2 more answers
If f(x) = 6x - 4, what is f(x) when x = 8? A 2
lesantik [10]
The actual answer is 44.

Hope this helps
4 0
3 years ago
(10 points) Ben, Max, and Yolanda are at the front of three separate lines in the cafeteria waiting to be served. The serving ti
Alex777 [14]

Answer:

1/2 ; 1/3 ; 1/6

Step-by-step explanation:

Given :

Ben ~ exp(1)

Max ~ exp (2)

Yolanda ~ exp(3)

Ben :

X ~ exp(1)

Max:

Y ~ exp(2)

Yolanda :

Z ~ exp(3)

Probability that Yolanda is served first :

P(Z < (X, Y)) = Z /(x + y + z) = 3 /(1 + 2 + 3) = 3/6 = 1/2

Probability that Ben is served before Yolanda :

P(X < Z) = 1/ (1 + 2) = 1/3

Expected waiting time for first person served :

First person served = 1

Total = (1 + 2 + 3) = 6

Expected waiting time; E(x) :

E(x) : 1 / 6

4 0
3 years ago
Please help marking brainliest if correct, serious answers only, thank you.
musickatia [10]
It’s alternate interior!!!
cuz they’re on the inside of the lines
and they’re not on the same side of the line that crosses
6 0
3 years ago
a front end loader removed 810 cubic ft(ft3) from a ditch. how many cubic yards (yd3) of dirt was removed
Natalija [7]

I believe it is 30 cubic yards. There are 27 cubic feet per cubic yard. Correct me if I'm wrong!

5 0
4 years ago
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