Find the quotient 8 over 0

Answers

Answer 1

Answer: un-defined.........................

Answer 2

Answer: 8 ÷ 0 = can not be divided. No number can be divided by 0.

Hope I helped ya!!xD

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Solve the equation by completing the square. If necessary, round to the nearest hundredth. x² – 18x = 19
1; 19
–1; 19
3; 6
–3; 1

Answers

Answer:

Option B. x = -1, 19

Step-by-step explanation:

The given equation is x² - 18x = 19

We can get the value of x by factorizing the expression or by quadratic formula.

We will try to factorize the equation first. If we find no factors then we will apply quadratic formula to get the value of x.

x² - 18x - 19 = 0

x² - 19x + x - 19 = 0

x(x - 19) + 1(x - 19) = 0

(x - 19)(x + 1) = 0

x = 19, -1 will be the solutions.

So there is no need to apply quadratic formula.

Option B. x = -1, 19 is the answer.

ax^2+bx=c
REMEMBER THIS

ok
first, make sure that a is 1
done

now take 1/2 of b and square it

-18/2=-9, (-9)^2=81
add that to both sides

x²-18x+81=19+81
x²-18x+81=99
factor perfect square
(x-9)²=100
square root both sides
don't forget positive and negative root
x-9=10
x-9=-10
ad 9 to both sides

x=19
x=-1

answer is -1; 19

2nd choice is answer

A container holds 50 electronic components, of which 10 are defective.1. If 6 components are drawn at random from the container, the probability that at least 4 are not defective is ?
A) 0.26
B) 0.42
C) 0.75
D) 0.91
E) 1.00
2. If 8 components are drawn at random from the container, the probability that exactly 3 of them are defective is ?
A) 0.147
B) 0.203
C) 0.300
D) 0.375
E) 0.750

Answers

1.) q = P(defective) = 10/50 = 0.2
p = P(not defective) = 1 - P(defective) = 1 - 0.2 = 0.8
P(x) = nCr p^x q^(n-x)
P(x ≥ 4) = P(4) + P(5) + P(6) = 6C4 * (0.8)^4 * (0.2)^2 + 6C5 * (0.8)^5 * 0.2 + (0.8)^6 = 15 * 0.4096 * 0.04 + 6 * 0.32768 * 0.2 + 0.262144 = 0.24576 + 0.393216 + 0.262144 = 0.90112
Option D is the correct answer.

2.) p = P(defective) = 10/50 = 0.2
q = P(not defective) = 1 - P(defective) = 1 - 0.2 = 0.8
P(x) = nCr p^x q^(n-x)
P(x = 3) = 8C3 * (0.2)^3 * (0.8)^5 = 8C3 * 0.008 * 0.32768 = 56 * 0.008 * 0.32768 = 0.1468
Option A is the correct answer.

When making a statistical inference about the mean of normally distributed population based on the samples drawn from the population which of the following statements is correct all else being equalEight. The 68% confidence interval is wider than the 90% confidence interval.
B.The 90% confidence interval is narrower than the 95% confidence interval.
C. The 90% confidence interval is wider than the 99% confidence interval.
D.The 99% confidence interval is narrower than the 68% confidence interval.

Answers

When making a statistical inference about the mean of normallydistributed population based on the samples drawn from the population the statement that is true and correct all else being equal is (option C)

What is stated in option C?

Option C indicates that the 90% confidence interval is wider than the 99% confidence interval.

Other qualities of a Normally Distributed Population are:

they are symmetric
They are unimodal
They are asymptotic
The mean, median and mode are all equal.

Learn more bout Normally Distribution Population at;
brainly.com/question/15123330
#SPJ5

Randy is thinking of a number. When he adds 7 to the number, multiplies the sum by 3, then subtracts 2, the result is 13. What is the original number?A. 6
B. -2
C. 2
D. -6

Answers

Answer:

B. -2

Step-by-step explanation:

let the number be x

=7+x

=3(7+x)

=3(7+x)-2

13=3(7+x)-2

solving for x we have

13=21+3x-2

21+3x-2-13=0

collect like terms we have

21-2-13+3x=0

6+3x=0

6=-3x

x=6/-3

x=-2

The answer is B

B. -2

Graph the second equation to find the solution of the system of equations.y = –x,

y = 2x + 6

What is the point of intersection

Answers

Answer: (-2,2)

Explanation: I plugged it into a graphing calc!

Answer:

So the point of intersection would be -x=2x+6

and then we'll subtract 2x on both sides and get -3x=6

this will result in x=-2

Then we'll substitute that into y=-x, so y=2

Therefore the point of intersection is (-2,2)

Hope I helped, have a nice day :)

If the triangles in the diagram are congruent, what is the value of x?

Answers

If shapes are congruent, then they are mathematically equal (same dimensions, angles etc.). So just locate where the angle x is on both triangles, it should have a value on or a calculable value on the other. If you provide us with the actual sheet I could walk you through it.

Answer:

Its True

Step-by-step explanation:

Hope this helped have a nice day

Other Questions

Help me solve ;;;;; FCC Solving equations

Directions: For problems 1-9 evaluate and simplify the following expressions. Remember that when writing algebraic expressions, it’s best to order them from the greatest amount of variables and coefficients to the least, and also place the variables in alphabetic order. For example, it’s best to write: 3 + 4x + y as 4x + y + 3. They both have the same value though regardless of the order.1. 2(x + 6) – 4 + x 2. (x +4) • 9 3. y + 7 + 8 – 7(x -8) 4. (4 – 5) + x(6 – 8) 5. y(4 – 8) – 3y 6. x + 8y – 16x(1- 3) 7. 82 – x(4 – 8) + √25 8. 53 – 4(y – 7y) - √81 9. x2 – 4 – 5y - √36 • √144 + 23(x – 5x) Directions: For problems 10-14 solve the following expressions by substituting these values: x = 2, y = 3. 10. y(4 – 8) – 3y 11. x + 8y – 16x(1- 3) 12. 82 – x(4 – 8) + √25 13. 53 – 4(y – 7y) - √81 14. x2 – 4 – 5y - √36 • √144 + 23(x –5x)

what is 8 divided by 2 with 2+2 inn the parenthesis. I want to befriend the first person to get it. It's hard but have fun!!!

Solve for n: 6n+12=12