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Svetllana [295]
3 years ago
14

Ms. Bell's mathematics class consists of 12 sophomores, 8 juniors, and 9 seniors. How many different ways can Ms. Bell create a

5-member committee of sophomores if each sophomore has an equal chance of being selected?
Mathematics
1 answer:
shtirl [24]3 years ago
7 0

Answer:

792

Step-by-step explanation:

It's a combination question. The order is of no consequence. Also the fact that there are juniors and seniors is not important either.

So the answer is

12C5

12!

====

(12 - 5)! * 5!

12 * 11 * 10 * 9 * 8

==============

5 * 4 * 3 * 2 * 1

792

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During a lab experiment, the temperature of a liquid changes from 625°F to 1034°F.
11111nata11111 [884]

Answer:

39.56%

Step-by-step explanation:

1. 1034-625=409

2. 409/1034= 0.39555126

3. 0.39555126x100= 39.555126

4. Round: 39.56%

7 0
2 years ago
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Find the constant of proportionality that creates a direct proportion between x and y,
Fofino [41]

Answer:

y=x

Step-by-step explanation:

Something that would create a direct proportionality is y=x because both of them are in an equation which means they are directly proportional

4 0
3 years ago
Allison invested $70,000 in an account paying an interest rate of 6.2%
jeka94

Answer and Step-by-step explanation:

First, you need to make the function to represent the information given.

We start with 70,000 in the account, and have an interest rate of 6.2%.

We want to know how long it will take to get $223,200.

The equation for simple interest is:

A = P(1 + rt)

Where A is the total amount, P is the principle amount of money, r is the rate, and t is the time.

Now, we plug in the values and solve for t.

223,200 = 70,000(1+6.2t)

\frac{\frac{223,200}{70,000} -1}{6.2}  = t

t = 0.353

Multiply by 100 to get the years.

t = 35.3

So, it will take Allison 35.3 years to get 70,000 dollars to 223,200 dollar with an interest rate of 6.2%

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

<em><u></u></em>

<em><u>I hope this helps!</u></em>

5 0
3 years ago
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Mr. Corpulence decides to go on a diet where he will lose 4 pounds a month he now weighs 288 pounds
quester [9]

Answer:

y=-4x+288

Step-by-step explanation:

every month he loses 4 lbs starting from his weight is at now

7 0
4 years ago
-27 Irrational or rational
shutvik [7]

Answer:

rational

Step-by-step explanation:

irrational is something like pi or square root of 3, -27 is a simple number.

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3 years ago
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