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2 years ago

How wide is the house?

Mathematics

1 answer:

klemol [59]2 years ago

7 0

Answer:

35.35ft

Step-by-step explanation:

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A cyclist cycles a distance of 20 miles in a time of 2 hours.<br> What is her average speed?

Mamont248 [21]

20 miles/2 hours = 10 miles/1 hour, therefore her average speed is 10mph

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2 years ago

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What is 1/3 of 18500.00

choli [55]

$\frac{1}{3}\ of\ 18500.00\\\\ = \frac{1}{3}*18500.00\\\\ =\frac{1}{3}*18500.00\\\\ =6166.67$

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2 years ago

Jessie finish the first race in two minutes and seven seconds 10 finish 12 seconds faster than Jesse one finished eight seconds

Mandarinka [93]

20 seconds faster than Jesse so one minute and 57 seconds is my best guess.

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2 years ago

How many ways can eight letters be arranged into groups of five where order matters and the first two letters are already chosen

fenix001 [56]

Answer:

120

Step-by-step explanation:

Since we're dealing with a problem where the order matters and the first two letters are already chosen we need to subtract the number of letters and the number of available slots per group.

We use the permutation formula to find the answer, but before that let's check values.

n = 8

k = 5

Now since there are two letters already chosen we have to deduct two from both the value of n and k.

n = 6

k = 3

Now we can use the permutation formula:

$_{n}P_{k}=\dfrac{n!}{(n-k)!}$

$_{6}P_{3}=\dfrac{6!}{6-3)!}$

$_{6}P_{3}=\dfrac{6!}{3!}$

$_{6}P_{3}=\dfrac{6*5*4*3*2*1}{3*2*1}$

The 3*2*1 cancels out and leaves us with:

$_{6}P_{3}=6*5*4$

$_{6}P_{3}=120$

So there are 120 possible ways to arrange eight letters into groups of five where order matters and the first two letters are already chosen.

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2 years ago

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At the hospital , nurse work 8 hour shifts . To have nurses work 8 hour shifts . To have nurses on duty 24 hours per day . How m

andrezito [222]

Answer: 21 shifts

Explanation:

If you want to have nurses on duty 24 hours a day 8 hours at a time, first divide 24 by 8. You get 3, which is the amount of shifts per day. Then multiply 3 by the amount of days in a week, 7, and get 21 shifts per week. Hope this helps!

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2 years ago