Simplify {n - 1 - [n - 1 - (n - 1)]}.

Answers

Answer 1

Answer: {n-1-[n-1-(n-1)]} | Given
{n-1-[n-1-n+1]} | Distribute most inner negative
{n-1-n+1+n-1]} | Distribute next inner negative
n-1 | Simplify like terms

Answer 2

Answer:

Answer: the correct answer is n-1

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The coefficient of 6x is ___. A.) 1 B.) 6 C.) x
Literal Equations: C=2πr solve for r
Depth d (in feet) of a river can be modeled by the equation d=−0.25t2+1.7t+3.5, where 0≤t≤7 and t is the time (in hours) after a heavy rain begins. When is the river 6 feet deep?
Given:x+2<-5. choose the solution set.

What is the answer to 5x5

Answers

The answer to 5x5=25

Answer:

Step-by-step explanation:

What is 6:12 in simplest form?
A.2
B.21
C. 12
D. 12.6

Answers

Answer: 1:2 or 1/2

Step-by-step explanation:

6:12

Step 1: find a common divisible value, in this case, it is 6

Step2: divide through 6

1:2 or 1/2

Answer:

It’s B

Step-by-step explanation:

12.6÷−4.2=
Please help meeeeeeeeeeee

Answers

Answer:

Step-by-step explanation:

12.6/4.2 = 3

Answer:-3

Step-by-step explanation:

See image for question.

Answers

Answer:

See below

Step-by-step explanation:

P(A) = 3/8
P(B) = 2/7

(i)

P(A and B) = P(A) * P(B) = 3/8*2/7 = 3/28

(ii)

P(A or B) = P(A) + P(B) - P(A and B) = 3/8 + 2/7 - 3/28 = 1/56(21 + 16 - 6) = 31/56

(iii)

P(not A and not B) = P(not A) * P(not B) = (1 - 3/8)*(1 - 2/7) = 5/8*5/7 = 25/56

Another way:

P(not A and not B) = 1 - P(A or B) = 1 - 31/56 = 25/56

Outcomes with two fair coins: TT, TH, HT, HH

Outcomes with normal dice: 1 to 6

P(odd number) = 3/6 = 1/2

P(two heads and an even number) = 1/4*3/6 = 1/8

P(head and tail) = 1/2
P(prime) = 3/6 = 1/2 (primes are 2, 3 and 5)
P(head, tail and prime) = 1/2*1/2 = 1/4

P(two tails and odd number) = 1/4*3/6 = 1/8

Steve built a square dog pen that has a perimeter of 240 inches. What is the length of one side of Steve's dog pen?

Answers

Perimeter of a square=4 x side
Data:
Perimeter=240 in

Then:
240 in=4* side
side=240 in/4
side=60 in.

answer: The lenght of one side of Steve´s dog pen is 60 in.

Mike works h hours in a week. To find his weekly pay he multiplies his hours by his pay of $30 per hour and adds $5 for his sales bonus. He's decided that he wanted to take one-fifth of his weekly pay and place it in his savings. Which simplified expression represents the amount that will go into his savings each week?

Answers

Answer:

6h + 1

Step-by-step explanation:

number of hours: h

pay per hour: 30

pay for the hours: 30h

add sales bonus: 30h + 5

1/5 of total above: (1/5)(30h + 5) = 6h + 1

Answer: 6h + 1

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