A coin is weighted so that the probability of getting heads is 0.70. If the coin is flipped twice, what is the probability of getting a tail followed by a head?

Answers

Answer 1

Answer: Hello,

p=3/10*7/10=21/100=0.21
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the assembly machine in your plant can produce 36,200 parts in 9 hours. How many parts can it produce in 18 hours

Answers

You have to multiply 36,200 times 2 because 9times 2=18.

A 1/2 gallon of paint covers 1/6 of a wall. How much paint is needed to cover the entire wall? Could u show me how to do this question?

Answers

"A 1/2 gallon of paint covers 1/6 of a wall."
So a gallon of paint covers 2/6 of a wall.

2/6 = 1/3

a gallon ⇒ 1/3 of a wall
3 gallons ⇒ 3/3 of a wall (entire wall)

(12x - 1.7) - (17x + 6.7) =

Answers

Answer: -5x-8.4

Step-by-step explanation:

$\left(12x-1.7\right)-\left(17x+6.7\right)$

remove the parentheses

$12x-1.7-17x-6.7$

Simplify

Group like terms

$12x-17x-1.7-6.7$

Add

$12x-17x=-5x=$

$-5x-1.7-6.7$

Subtract

$-1.7-6.7=-8.4$

= $-5x-8.4$

Answer:

-5x-8.14 is the correct answer

Step-by-step explanation:

First distribute the terms

12x - 1.7 - 17x -6.7 =

Then add/subtract similar terms

12x - 17x = -5x

-1.7 -6.7 = -8.14

so it's -5x -8.14

WHAT IS X AND Y, HELP ITS URGENT

Answers

Answer:I'm here to help! However, your question is a bit vague. Could you please provide more context or clarify what you mean by "X and Y"? Are you referring to variables, coordinates, equations, or something else? The more details you can provide, the better I'll be able to assist you.

Step-by-step explanation:

Factor completely 4x2 − 81.(4x − 9)(x + 9)

(2x + 9)(2x + 9)

(2x + 9)(2x − 9)

(2x − 9)(2x − 9

Answers

The factored expression of $4x^2 - 81$ is $(2x - 9)(2x + 9)$

The expression is given as:

$4x^2 - 81$

Express 4 as the square of 2.

So, we have:

$2^2x^2 - 81$

Rewrite the expression as:

$(2x)^2 - 81$

Express 81 as the square of 81

$(2x)^2 - 9^2$

Rewrite the expression as the difference of two squares

$(2x - 9)(2x + 9)$

Hence, the factored expression of $4x^2 - 81$ is $(2x - 9)(2x + 9)$

Answers

Using the helpful saying
Please (parentheses)
Excuse (exponents)
My (multiply)
Dear (divide)
Aunt (add)
Sally (subtract)

We can see that multiplying comes first in this equation, then dividing then adding so
2x3=6
then
28/7=4
then
6+4=10

So your answer is C

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Given the tables for f & g below, find the following: x f ( x ) g ( x ) 0 9 7 1 4 8 2 3 6 3 5 1 4 7 5 5 1 2 6 6 0 7 0 4 8 2 9 9 8 3 Average rate of change of g for x on the interval [3 , 7 ] = 9 Incorrect Average rate of change of f for x on the interval [3 , 7 ] = Incorrect f ( g ( 4 ) ) = Incorrect g ( f ( 3 ) ) = Incorrect