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Alex17521 [72]
3 years ago
12

Number 7 help ASAP ASAP

Mathematics
1 answer:
MariettaO [177]3 years ago
7 0

Answer:

7

Step-by-step explanation:

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You want to draft a four ­player tennis team. There are eight players to choose from. How many different teams can you form?
Butoxors [25]

We want to make a 4 players team, and there are total 8 players. As we know the order of selection does not matter in a team of players, only the combination of players matters.

So we would use concept of Combinations and It will be choose 4 out of 8 players.

The formula for Combination is given as follows :-

nCr = \frac{n!}{r!*(n-r)!} \\\\
Choose \;4 \;out \;of \;8 \;players \\\\
8C4 = \frac{8!}{4!*(8-4)!} = \frac{8!}{4!*4!} \\\\
8C4 = \frac{8*7*6*5*4*3*2*1}{(4*3*2*1)*(4*3*2*1)} = \frac{8*7*6*5}{4*3*2*1} =\frac{1,680}{24} = 70 \;combinations

Hence, Total number of different teams = 70 combinations.

4 0
3 years ago
A=2, b=3, and c=6. Solve: a +b=
dsp73
Answer: 5

Step by step: a=2 and b=3 so it’s 2+3 which equals 5
7 0
3 years ago
The angle of elevation of a ladder leaning against a wall is 60 degree and the foot of the ladder is 4.6 m away form the wall.Th
Irina-Kira [14]

Answer:

The length of the ladder is 9.2m

Step-by-step explanation:

4 0
4 years ago
jennifer invests $2,302 in a money market account. the account pays 2.1% simple interest annually. if she doesn’t add or subtrac
alexandr402 [8]

Jennifer would earn more than $200. She would earn $230.02 over the period.

<h3>What is the simple interest that Jennifer would earn?</h3>

Simple interest is a type of interest paid only on the money invested.

Simple interest = amount invested x interest rate x time

2302 x 5 x 0.021 = $230.20

To learn more about simple interest, please check: brainly.com/question/27328409

#SPJ1

6 0
2 years ago
Judy has a sugar cone and wants to know how many cubic inches of ice cream it will hold if it is filled completely to the top of
stepladder [879]
The answer is 10.6 cubic inches.

The formula for a volume of the cone is V = 1/3 π r² h,
where:
V - the volume of the cone,
<span>r - radius of the cone base,
</span>h - height of the cone.

It is given:
h = 4.5 in
r = 1.5 in.
π = 3.14

If:
<span>V = 1/3 π r² h,
</span>Then:
V = 1/3 × 3.14 × (1.5 in)² × 4.5 in
V = 1/3 × 3.14 × 2.25 × 4.5 in³
V = 10.6 in³

Therefore, Judy's sugar cone can hold 10.6 <span> in³.</span>
8 0
3 years ago
Read 2 more answers
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