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Lady_Fox [76]
3 years ago
9

Solve for r. This is for combinations and permutations.

Mathematics
1 answer:
Sladkaya [172]3 years ago
5 0

Answer:

I'm guessing it could be B or D...I'm not 100% sure.

Step-by-step explanation:

It could be B because 5 can divide 45

It could be D because they are both even numbers.

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Peter waters his lawn every 4 days. Amy waters her lawn every 3 days and Mark waters his lawn every 6 days. If they are all wate
ch4aika [34]

Answer:

A) 12th day

Step-by-step explanation:

Firn the lcm of 3, 4 and 6

This is 12

So it is a)12 day

6 0
2 years ago
Read 2 more answers
Infiniti sells 8 different models of cars, with 5 different trim levels and 5 color choices. What is the total amount of options
solniwko [45]

Answer:

200

Step-by-step explanation:

Infiniti sells 8 different models of cars, with 5 different trim levels and 5 color choices.

Now, 8 different models of cars with 5 different trim levels have (8 × 5) = 40 choices.

Similarly, with  8 different models of cars, with 5 different trim levels and 5 color choices, there will be total (40 × 5) = 200 options one could choose. ( Answer )

4 0
3 years ago
A court reporter is transcribing an accident report from Germany. The report states that the driver was traveling 80 kilometers
marusya05 [52]
Divide the speed value by 1.609,
1kilometer per hr=0.621mph
80kph=49.7097Mph
8 0
3 years ago
Read 2 more answers
Vanessa uses the expressions (3x² + 5x + 10) and (x² – 3x - 1) to represent the length and width of her patio.
Kay [80]

Answer:

a) 3x⁴-4x³-8x²-35x-10

Step-by-step explanation:

3x2(x²-3x-1)+5x(x²-3x-1)+10(x²-3x-1)

3x⁴-9x³-3x²+5x³-15x²-5x+10x²-30x-10

3x⁴-9x³+5x³-3x²-15x²+10x²-5x-30x-10

3x⁴-4x³-8x²-35x-10

5 0
2 years ago
You have $50 and are buying some movies on DVDs that cost $15 each. Write an expression that shows how
alexdok [17]

Answer:

50 - 15m

Step-by-step explanation:

You start out with 50 dollars so that is the constant.

Each DVD is 15 dollars, so for every dvd(m) it is 15 dollars.

3 0
2 years ago
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