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dmitriy555 [2]
3 years ago
9

Combine the like terms to create an equivalent expression: -3n-7+(-6n)+1

Mathematics
1 answer:
stira [4]3 years ago
4 0
The answer to the question is -9n - 6
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PIUWawilities
blondinia [14]

Answer:

23.44%

Step-by-step explanation:

The probability of getting a 4 on the first 2 throws and different numbers on the last 5 throws = 1/6 * 1/6 * (5/6)^5

= 0.01116

There are 7C2 ways of the  2 4's  being in different positions

= 7*6 / 2 = 21 ways.

So the required probability =  0.01116 * 21

= 0.2344 or 23.44%.

3 0
3 years ago
Ten of 16 students in Nyack's class are girls. His teacher selected two
viktelen [127]

I can't understand this after "happening is" but let's do it unaided.

The number of ways to draw a boy first is 6.

Given that, the number of ways to draw a girl next is 10.

That's out of a total of 16 x 15 length two permutations of 16 things

p = \dfrac{6 \times 10}{16(15)} = 1/4

Answer: 1/4

7 0
3 years ago
17 mm<br> 8 mm<br> 9 mm<br> 15 mm
OleMash [197]

Answer:

do you have to add the numbers together or multiply

4 0
3 years ago
Read 2 more answers
Sanjay borrowed 7,000 at a simple interest rate of 3% per year. After a certain number of years he had paid $840 in interest alt
alexgriva [62]

Answer:

It was 4 years.

Step-by-step explanation:

To solve this problem we need to use the appropriate formula for simple interest, which is shown below:

M = C*r*t

Where M is the amount of interest, C is the initial amount of money, r is the rate of interest and t is the time elapsed in years. Applying the data from the problem we have:

840 =7000*0.03*t

840 = 210*t

210*t = 840

t = 840/210

t = 4

It was 4 years.

7 0
2 years ago
A small town has two local high schools. High School A currently has 800 students and is projected to grow by 55 students each y
Neko [114]

Answer:

40

Step-by-step explanation:

6 0
2 years ago
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