MATHEMATICS COLLEGE

What is the solution to the equation? 8q + 4 = 20 q = 2 q = 4 q = 16 q = 24

Answers

Answer 1
Answer: Isolate the q. Note the equal sign. What you do to one side, you do to the other.

Subtract 4 from both sides

8q + 4 (-4) = 20 (-4)

8q = 20 - 4

8q = 16

Next, divide 8 from both sides to isolate the q

8q/8 = 16/8

q = 16/8

q = 2

q = 2 is your answer

hope this helps

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What is the domain?(-∞,∞)[0,∞)(-∞,0]-2, 2

It takes andre 4 minutes to swim 5 laps. At this rate heswims how many laps per minute.

Answers

Answer: It takes him 1 minute and 25 seconds

Step-by-step explanation:

5 divided 4

4 times 1 = 4

5-4=1

put the decimal and make 1=10                           Ans.: 1.25

4 times 2 = 8

10-8=2

put the 0 = 20

4 times 5 =20

20-20=100

If I wanted the margin of error for the 95% confidence interval to be 1 inch, I should select a simple random sample of size: (assume the population standard deviation = 2.415) A. 5.
B. 7.
C. 23.
D. 39

Answers

We are given with
Confidence interval of 95%. This corresponds to a Z value of 1.96
Margin of error, d = 1 inch
Population standard deviation, σ = 2.415 inch

We can calculate for the sample size using the formula
n = Z² σ² / d²
Substituting,
n = 1.96² (2.415)² / 1²
n = 22.4 ~ 23

Giving a test to a group of students, the grades and gender are summarized below. Round your answers to 4 decimal places. A B C Total
Male 16 13 6 35
Female 2 3 8 13
Total 18 16 14 48
If one student is chosen at random:
1. Find the probability that the student was female AND got a "B".
2. Find the probability that the student was male AND got a "A".
3. Find the probability that the student got a B.

Answers

Answer:

1). 0.1667

2). 0.3333

3). 0.3333

Step-by-step explanation:

1). Probability that the student was female and got a 'B'

= \frac{\text{Number of female students who got B}}{\text{Total number of students}}

= (3)/(48)=(1)/(16)

= 0.1667

2). Probability that the student was male and got an 'A'

= \frac{\text{Number of male students who got A }}{\text{Total number of students}}

= (16)/(48)

= (1)/(3)

= 0.3333

3). Probability that the student got a B = \frac{\text{Number of students who got B}}{\text{Total number of students}}

= (16)/(48)

= (1)/(3)

= 0.3333

You have 1 quarts of brown stock.You need 1 cups to make one serving of braised short ribs.
How many servings can you make?
(don't include partial portions)
I
Answer:

Answers

Answer:

you can make 4 servings because 1 quart is 4 cups

Please help ALGEBRA II

Answers

The answer is a I know this because I took the test

A state's license plates consist of four letters followed by three numerals, and 246 letter arrangements are not allowed. how many plates can the state issue?

Answers

The state will issue 4,56,97,354 plates

What is exponents and powers?

When anumber is multiplied by itself a finite number of times, the number being multiplied is called the base number, and the number of times it is being multiplied is called the exponent. Suppose a number is being multiplied by itself n number of times, then this expression is called the nth power of the given number.

  • An exponent is the number of times a given number is being multiplied by itself.
  • The expression when a number is being multiplied by itself n number of times is called the nth power of the given number.

Given:

Number of letters = 4

Number of numerals = 3

As 246 letter arrangements are not allowed.

So, we have total 26 letters.

and numbers from 0 to 9.

So, the number of plates  will be

= 26*26*26*26*10*10

=(26)^4 * (10)^2

= 45697600

Now, deducted those 246 letter arrangements which are not allowed

= 45697600 - 246

= 4,56,97,354

Hence, the state will issue 4,56,97,354 plates.

Learn more about this concept here:

brainly.com/question/14881584

#SPJ2
There are 26 letters in the alphabet, there are also 10 numbers 1-10. You multiply that and it would be 260.
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