What is the (fg)(x) if
f(x)=(4x - 1) and g(x)=(3x + 5)?
A. 7x + 4
B. 12x2-5
C. 12x2 + 17x-5
D. 12x2 + 23x - 5


Show work

Answers

Answer 1
(4x - 1)(3x + 5)

12x^2 + 20x - 3x -5

12x^2 + 17x -5

The answer is C.


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There are 351 identical plastic chips numbered 1 through 351 in a box. What is the probability of reaching into the box and randomly drawing a chip number that is smaller than 212

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212/351

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given f(x)=5x-11, which of the following is the value of f(4)?

Answers

Answer:

f(4) = 9

Step-by-step explanation:

You just need to substitute 4 in for x.

f(4) = 5(4) - 11

f(4) = 20 - 11

f(4) = 9

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1/2 X 7 X 3 X 3 = 31.5

Step-by-step explanation:

What is the simplified form of the following expression?

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The right answer is the third one.

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Two pounds of grapes cost $6. How many pounds of grapes cost $1? *

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Step-by-step explanation:

Answer:

1/4

Step-by-step explanation:

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Simplify the expression 8+4b+3b+6

Answers

Answer:

14+7b

Step-by-step explanation:

8+6=14

4b+3b=7b

Answer:

14 +7b

Step-by-step explanation:

Combine like terms. Like terms have same variables

8 + 4b + 3b + 6 = 8 + 6 + 4b + 3b

                           = 14 + 7b

What happened to the U.S. dollar when President Nixon closed the gold
window?

Answers

He announced that the US would no longer convert dollars to gold at fixed value

Simplify the following expression:

3b+5-9b-9+6b

Answers

Answer:

3(3+2b)

or

2b +9

Step-by-step explanation:

Answer:

Step-by-step explanation:

3b+5-9b-9+6b

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A patient needs a total dose of 50 grams of albumin. The pharmacy has 50 m
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technician prepare to provide the required dose?

Answers

Answer:

4,000 bottles.

Step-by-step explanation:

Given that the patient needs a total dose of 50 grams of albumin, and the pharmacy has bottles of 50 milligrams with 25% albumin, to determine how many bottles the patient should purchase the following calculation must be performed:

1 g = 1000 mg

50 g = 50,000 mg

50 x 0.25 = 12.5

50,000 / 12.5 = X

4,000 = X

Therefore, the patient must purchase 4,000 bottles to obtain the required dosage.

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Where is the picture I don't see it

the ratio of boys to girls in a group of 2:1. if there are 22 more boys than girls, work out how many people there are in a solo

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Answer:

There is 11 girls but 33 people in solo

Can somebody help me on this ?

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Answer:

drag the protactor so that the the bottom, middle line is centered in point B, and the bottom edge is flat against line BC

the angle will be whatever number AB lines up with on the outer ring (the big numbers)

Step-by-step explanation:

Two similar polygons are shown below:

Which transformation was performed on PQRS to form P′Q′R′S′?

a. A dilation factor of 2

b. A dilation factor of 4

c. A dilation factor of 1 over 2

d. A dilation factor of 1 over 4

Answers

Answer:

a. A dilation factor of 2

Step-by-step explanation:

S'R'/SR = 2/1 = 2

The basketball team went out for pizza after their championship game.
The total bill was $125. The tax rate was 7%. The coach left a 25% tip for the waitress because she worked very hard serving all of the kids.
Determine the total bill.

Answers

Answer:

$165

Step-by-step explanation:

Find what 7% of $125 is. (Multiply 125 times .07)

Find what 25% of 125 is (Multiply 125 times .25)

Add everything together

You get an answer of $165

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Martin's car had 86,456 miles on it. Of that distance, Martin's wife drove 24,901 miles,
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Show work.

Answers

Answer:

Martin drove 53,558 miles.

Step-by-step explanation:

If you add up the amount of miles his son and wife drove, you get 32,898. To get the answer, you would subtract that from the total number of miles to get 53,558.

If you know how, please explain. My brain is splitting in half trying to process this trigonometry stuff

Answers

Answer:

[tex]\huge\boxed{\text{E. } \frac{1}{2} }[/tex]

Step-by-step explanation:

When finding the cosine of an angle, we need to note what each terms mean.

Using the acronym SOH CAH TOA, we know that the

Cosine of an angle will be it's

Adjacent side divided by the

Hypotenuse.

The side adjacent to the 60° angle is 1, and the hypotenuse of the triangle is 2. Therefore, the adjacent over the hypotenuse is [tex]\frac{1}{2}[/tex], making the cos of 60°

[tex]\frac{1}{2}[/tex].

Hope this helped!

9. A cell phone can be purchased from the manufacturer for $160. The online retailer has a
standard markup of 30%, and the store has a standard markup of 40%.
(a)What is the price of the cell phone when purchased online?
(b)What is the price of the cell phone when purchased at the store?
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Answers

Answer Below

30% of 160 is 48 dollars. Meaning you would take the 48 from 160. Leaving 112.So the 30% mark up would mean you would pay $112.Saving $48.

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Answer:

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Step-by-step explanation:

(A) find 30% of $160 and add it to 160. put that answer in dollars.

(B) find 40% of $160 and add it to 160. put that answer in dollars.

(C) it is the one that costs less

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The simplified expression is???

Answers

Answer:

2y-4x+6x

=2y+2x

Step-by-step explanation:

Answer:

2x+2y

Step-by-step explanation:

Let's simplify step-by-step.

3y−4x+6x−y

=3y+−4x+6x+−y

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Answer:

Step-by-step explanation:

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Answers

Answer:

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Find the Error A student solved the equation and determined that the solution was –2. Choose the response that shows her error and corrects it.




Multiple choice question.

A)
There is no error, her answer is correct.


B)
The initial equation simplifies to 3x = 0, which means that x = 0.


C)
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Answers

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What is equation?

In mathematics, an equation is a statement that shows the equality between two expressions. It contains an equals sign (=) that separates the two expressions. The expressions on both sides of the equals sign can be numbers, variables, or functions. The equation represents a relationship between the expressions that must hold true for all values of the variables involved. Solving an equation means finding the values of the variables that satisfy the equation. Equations are used in various fields, such as physics, engineering, economics, and many others, to model and solve real-world problems.

Here,

The error made by the student is assuming that -2 is the solution to the equation without actually solving it. The equation -2 = -2 is always true, which means that the equation is an identity and has no solution. So, the correct solution of the equation is that there is no solution.

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The value of a certain account after t years is given by
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t =

Answers

Answer:

1.2 years

Step-by-step explanation:

The value of a certain account after t years is given by :

B = 600 × 1.2t dollars ....(1)

We need to find how long will it take for the value of the account to increase to $900 i.e. we need to find the value of t.

Put B = $900 in equation (1).

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find the angle of yzv? ​

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Step-by-step explanation:

12a+24a=180

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A submarine's descent was a change in depth of -6 feet per minute. At this
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A person draws a card from a hat. Each card is one color, with the following probabilities of being drawn: 1/15 for blue, 1/25 for green, 1/5 for pink, and 1/20 for black. What is the probability of pulling a black or pink card, written as a reduced fraction?

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At Smith’s Bike Rentals, it cost $27 to rent a bike for 6 hours. How many dollars does it cost per hour of bike use

Answers

Answer:

$4.50 per hour

Step-by-step explanation:

Step 1: 27 divided by 6 is 4.50

Step 2: Double check your work by multiplying 4.50 times 6 to make sure you get 27

To find how much it would cost for one hour you would need to divide 27 by 6.

27/6 = 4.5

Therefore it costs $4.5 to rent the bike per hour

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Answer:

i got 178

Step-by-step explanation:

Answer:

its x=16 :)))

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It is the third answer on your quiz

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a and b

Step-by-step explanation:

parallel lines are lines that do not intersect each other

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Answer:

Step-by-step explanation:

i think its embryonic

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