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Vedmedyk [2.9K]
3 years ago
6

Jana is training for a triathlon that includes a 112 mile bike ride. Today she rode her bike 12 miles in 45 minutes. What is Jan

a rate in miles per hour
Mathematics
1 answer:
prisoha [69]3 years ago
3 0
12mi / (3/4) hours = 1mi / ? Hours. Set up this proportion and cros multiply to find ?
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a class has 14 students, 8 students are females, and 6 students are males. how many teams of 7 students contain at most 4 female
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Answer:

2416

Step-by-step explanation:

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2 years ago
The first term of a sequence is 35 and the difference between the terms is always 8. a) Determine the nth term of the sequence.
s2008m [1.1K]

Answer:

<h3>              aₙ = 8n + 27</h3>

Step-by-step explanation:

a_1=35\\d=8\\\\a_n=a_1+d(n-1)\\\\a_n=35+8(n-1)\\a_n=35+8n-8\\a_n=8n+27

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3 years ago
The chorus has 30 members. What expression represents the number of ways a group of 6 members can be chosen to do a special perf
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The problem uses the concept of Combination where there are number of members chosen from a group and there order is not important. Thus, the expression that would best describe the given above is 30C6 which means the combination of 30 taken 6. The numerical value for this is 593775. 
8 0
3 years ago
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Brittany will be working full time this summer to save for her goal of having 10,000 by the time she is 21. Brittany has an acco
photoshop1234 [79]

Answer:

$ 8,695.35

Step-by-step explanation:

This is a compound interest question

Amount after t years = A = P(1 + r/n)^nt

Where P = Initial Amount saved

r = interest rate

t = time in years

n = compounding frequency

A = 10,000

r = 3.5 %

t = 21 - 17 = 4 years

n = Compounded monthly = 12

Step 1

Converting R percent to r a decimal

r = R/100 = 3.5%/100 = 0.035 per year.

P = A / (1 + r/n)^nt

Solving our equation:

P = 10000 / ( 1 + (0.035/12)^12 ×4 =

P = $8,695.35

The principal investment required to get a total amount, principal plus interest, of $10,000.00 from interest compounded monthly at a rate of 3.5% per year for 4 years is $8,695.35.

8 0
3 years ago
I am wondering how the different triangles could be different, can anyone explain?
jekas [21]
I don’t really understand what your question is
4 0
3 years ago
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