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Natali [406]
3 years ago
8

Does anyone know this

Mathematics
2 answers:
Sophie [7]3 years ago
5 0

Answer:

D

Step-by-step explanation:

your welcome.

finlep [7]3 years ago
3 0

Answer:

Your answer will be option d

Step-by-step explanation:

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In order to keep a boat from drifting away, the boat is tied to a pier with a 60-foot rope. When the boat drifts as far from the
Rus_ich [418]
The answer is C) hope this helped!
6 0
3 years ago
Please answer this correctly
gayaneshka [121]

Answer:

13

Step-by-step explanation:

8 - (-5) = 13

Since x is the same in both points we only have to count the y

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4 years ago
Suppose ten students in a class are to be grouped into teams. (a) If each team has two students, how many ways are there to form
ValentinkaMS [17]

Answer:

(a) There are 113,400 ways

(b) There are 138,600 ways

Step-by-step explanation:

The number of ways to from k groups of n1, n2, ... and nk elements from a group of n elements is calculated using the following equation:

\frac{n!}{n1!*n2!*...*nk!}

Where n is equal to:

n=n1+n2+...+nk

If each team has two students, we can form 5 groups with 2 students each one. Then, k is equal to 5, n is equal to 10 and n1, n2, n3, n4 and n5 are equal to 2. So the number of ways to form teams are:

\frac{10!}{2!*2!*2!*2!*2!}=113,400

For part b, we can form 5 groups with 2 students or 2 groups with 2 students and 2 groups with 3 students. We already know that for the first case there are 113,400 ways to form group, so we need to calculate the number of ways for the second case as:

Replacing k by 4, n by 10, n1 and n2 by 2 and n3 and n4 by 3, we get:

\frac{10!}{2!*2!*3!*3!}=25,200

So, If each team has either two or three students, The number of ways  form teams are:

113,400 + 25,200 = 138,600

6 0
3 years ago
What is the length of the diagonal of a rectangle whose width is 90 cm and whose length is 200 cm?
vichka [17]
219.32 cm is the answer
7 0
3 years ago
Read 2 more answers
Farah spent $13 on 4 items from the
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Answer:

Farah bought 1 sandwich which cost $7 and three snack mix bags which also cost (2 + 2 + 2)$

2+2+2+7=$13

6 0
3 years ago
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