find (f.g)(-3)when f(x)=-5x-7 and g(x)= 7x^2-2x+9​

Answers

Answer 1

Answer:

[tex]f(7 {x}^{2} - 2x + 9) \\ = - 5(7 {x}^{2} - 2x + 9) - 7 \\ = - 35 {x}^{2} + 10x - 45 - 7 \\ = - 35 {x}^{2} + 10x - 38 \\ f.g( - 3) = - 35 {( - 3)}^{2} + 10( - 3) - 38 \\ f.g( - 3) = -383[/tex]


Related Questions

PLEASE HELP ITS MATH THANK YOUUUU

Answers

345.42 :> i hope this helped!

Use Place Value to Name Whole Numbers in the following exercises (4th,5th 6th questions below), name
each number in words,

4. One year is 525,600 minutes.

5. 25. The U.S. Census estimate of the population of Miami-Dade county was 2,617,176,

6. Marissa's kitchen remodeling cost $18,549. She wrote a check to the contractor. Write the
amount paid in words.

Answers

Naming each number in word with the use of place value to name whole numbers: we have;

4. Five hundred and twenty-five thousand, Six hundred minutes.

4. Five hundred and twenty-five thousand, Six hundred minutes.5. Two-million, six-hundresd and seventeen thousand, one-hundred and seventy six.

4. Five hundred and twenty-five thousand, Six hundred minutes.5. Two-million, six-hundresd and seventeen thousand, one-hundred and seventy six.6. Eighteen thousand, five-hundred and fourty-nine thousand dollars.

Using place value to name whole numbers involves orderly naming the numbers from right to left from unit, tens, hundreds, thousands, ten thousands and so on.

Ultimately, the naming of the numbers is as done above.

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theoretically what do you do if a cow hits you with a car?

Answers

Answer:

Theoretically I would call the cops, and then possibly animal control.

What is 6 times 1/3.........................................

Answers

Answer:

2

Step-by-step explanation:

Answer:

the answer is 2

Step-by-step explanation:

A company charges $300 for every 2 pounds of oranges sold plus a $3.00 shipping fee,
Based on this information, which graph best shows this relationship between the cost of oranges, y, and the number of pounds,

Answers

Step-by-step explanation:

Which expressions are equivalent to (13x+2x−53x)−(−13x+5) ?

Select all correct expressions.

4x−5−3x
x−5
5−x
−4x+5+3x

Answers

Answer:A. The first one and second B.

Step-by-step explanation:i took the test i promise!

mark me as brainiest please!

Answer: A,B.  

4x−5−3x    

x−5

are of a trapuiezuim​

Answers

Answer:

yay girl I like it like that

Find the Secant <H

see photo for answer instructions​

Answers

Answer:

for angle H ,

hypotenuse = gh( √77)

adjacent side= ih( √35)

perpendicular=gi( √42)

then

we know

secant=hypotenuse /adjacent

=√77/√35

Hello, I need help on this, someone help, really need help on this.

Answers

9514 1404 393

Answer:

1,304,0006

Step-by-step explanation:

You may recall that when you learned multiplication of decimals, there were two facts involved:

the total number of decimal digits when two decimal numbers are multiplied is the sum of the numbers of decimal digits in each onemultiplying by 10 adds a zero on the right. (Multiplying by 10^n adds n zeros on the right.)

__

Here, we combine these facts.

Multiplying the decimal number 1.304 by 1000000 will add 6 zeros to the right of 1304 to make it 1304000000. Placing the decimal point in this product so there are 3 decimal digits (as there are in 1.304) makes this number be ...

  1,304,000.000 . . . . . . product of 1.304 and 1,000,000

You will notice the decimal point in 1.304 has effectively moved 6 places to the right.

Cos law please describe it? ​

Answers

Answer:

Below.

Step-by-step explanation:

In ANY triangle ABC:-

c^2 = a^2 + b^2 - 2ab cos C.

a, b and c are the sides opposite the angles A, B, and C.

For which of the following sets of data should a stacked bar chart be
used?
The average golfers vs the average age of tennis players

The number of white cars vs, the number of white trucks

The total number of planes landing at O’Hare Airport categorized by type

The average age of male high school grads vs. the age of female graduates

Answers

Answer:

the number of white cars vs the number of white trucks

C: The total number of planes landing at O’Hare Airport categorized by type is the answer

What is a set of data?

the dataset is a collection of numbers connected by theme. There are three ways to work with datasets: mean, median, and mode. The mean is the average of the dataset, the median is the median of the dataset, and the mode is the number or value that occurs most often in the dataset.

Standard deviation of a data set is the square root of the calculated variance of a set of data. The formula for variance (s2) is the sum of the squared differences between each data point and the mean, divided by the number of data points.

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When 5 is divided by 0.35, the result is closest to…
A: 13.7
B: 13.8
C: 14.2
D: 14.3
WORK MUST BE SHOWN

Answers

Answer: The answer is C. 14.285714

The answer is C (14.2)

5 / 0.35 = 14.2857143

Two cars leave San Francisco at the same time traveling in opposite directions. One travels at an
average speed of 74 mph and the other at 78 mph. In how many hours will they be 304 miles apart?
Let x = time of travel for the first car and y = time of travel for the second car.

Then the system that
models the problem is {74x + 78y=304}
Solve the system by using the method of addition.

Answers

Look it up on quizzes 6+8

michelle is trying to buy a car that costs 35,550 and she saved up 20,700 she borrowed the remaining amount that she needed from finance company how much is the simple interest that accrued on this loan based on the original amount borrow

Answers

Answer:

so whats the question

Step-by-step explanation:

Are they asking for the area of the the semi-circle or the rectangle?

Answers

Answer:

It should be the area and perimeter of the entire combined figure, so the semicircle, and the rectangle.

Step-by-step explanation:

Just do the math for each shape individually then add them up.

Jim is cutting up apples to serve. 1/3 of an apple to each of the 8 people at the meeting. How many apples Jim need to serve?

Answers

Answer:

Jim needs three apples.

Step-by-step explanation:

1/3 x 8 =

8/3 =

2 and 2/3

Round up to three apples.

[tex]2\frac{2}{3}[/tex] apples Jim need to serve.

What is Expression?

An expression is combination of variables, numbers and operators.

Given that Jim is cutting up apples to serve.

1/3 of an apple to each of the 8 people at the meeting.

We need to find the number of apples Jim need to serve.

1/3 of an apple to each of the 8 people.

We have to use multiplication to find this as there is a off in the sentence.

1/3×8

8/3

[tex]2\frac{2}{3}[/tex]

Hence, [tex]2\frac{2}{3}[/tex] apples Jim need to serve.

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Joey has $330 in his bank account and takes out $410, then takes out another $20. How will his knowledge of positive/negative numbers allow him to work out in his head, how much money he owes the bank?

Answers

He will owe $100. 330-410-20=-100

Determine whether the first system of equations is equivalent to the second system of equations. Explain.

3x + 5y = 1

18x + 30y = 6

2x-6y=38 10x - 30y = 190

Answers

Answer:

1 Answer:  Since these two lines are the same line, they have infinite solutions Answer: So first thing you gotta do is multiply the first equation by 5. Your first equation will be. Since these two lines are the same line, they have infinite solutions.

Another Answer: You would have to multiply either equation in order to get one of the variables to cancel.

I would multiply the first equation by -5.

-5(3x + 6y = -2)

-15x -30y = 10

15x + 30y = -10

0 + 0 = 0

Since everything cancels and the equation is true, the solution is Infinitely many solutions, or all real numbers.

Step-by-step explanation:

Can someone plz help me

Answers

Answer:

C

Step-by-step explanation:

It makes sense

4*6=23
6*2=31
8*2=14
8*4=?​

Answers

8*4=32


Hope it helps

Find the solution of the system of equations. 10x + 8y = 42. -8x - 8y = -40​

Answers

23 I believe but I’m it sure
The answer would be x=1

In the school store, pencils cost 15 cents each and erasers cost 10 cents each. There is no tax. Gabby wants to spend exactly $2.00 on pencils and erasers.

How many of each can she buy? Provide detail explanation of your solution process and all possible strategies.

Answers

she bought 10 pencils and 5 erasers

Let x represent the number of pencils and y represent the number of erasers.

Gabby wants to spend exactly $2.00 on pencils and erasers, hence:

0.15x - 0.1y = 2        (1)

Therefore x = 10 and y = 5

Therefore she bought 10 pencils and 5 erasers.

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8. Write an equation to solve for X.
30°
2
2x
Write an equation to solve for x

Answers

30+90+2x=180
2x=60
x=30

Answer:

2x= 30+90

Step-by-step explanation:

To check

2x= 120

2x/2=120/2

x=60

Let f(x)=3(12)2x. Which is equal to f(2)?

Answers

Answer:

f(2) = 144

Step-by-step explanation:

Unless there is something I don't see (quite possible), the question is 3*12*2

multiplied by x

3*12 * 2  = 72 so the question simplifies to f(x) = 72x

f(2) = 72(2)

f(2) = 144

jacob said the product of 8/9 and 2 and 3/4 is 3 and 1/4. how can you tell that his answer is wrong?

Answers

Answer:

he is wrong becuase 89 times a number greater than 0 cannot result in a product greater than the number

Step-by-step explanation:

Based on real algebra properties, we know that the product of  8/9 and 2 and 3/4 is not 3 and 1/4.

How to infer the correctness of a product?

The multiplication of two positive integers equals another positive integer. Each term of a multiplication can be rewritten as sums of multiples of 10, which can be simplified by algebra:

  Given;   Definition of multiplication

 8/9 and 2  = 26/9

3/4

The product is;

26/9 x 3/4

= 13 x 1/6

= 13/6

Based on real algebra properties, we know that the product of  8/9 and 2 and 3/4 is not 3 and 1/4.

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m is a right angle in triangle lmn. the measure of angle n is 67 and the length of mn is 8. What is the length of the hypotenuse?​

Answers

Maybe you should divide 67 and 8 to get to the length of the hypotenuse

what is the standard form of this equation y=6x+13

Answers

Answer:

- 6x + y = 13

Step-by-step explanation:

The standard form is:

ax + by = c

Convert the given into standard form:

y = 6x + 13- 6x + y = 13

50 pts if u anser this 4 me. thanks!

Answers

Answer:

the 1 mile and 3,218 meters in step 1 should be switched

Answer:

the 1 mile and 3216 should be switched

Step-by-step explanation:

it should be 3216 over 1

Pre-calc: Write a degree 3 polynomial with zeros 2, 4, -3

Answers

Answer:

x³-3x²-10x+24

Step-by-step explanation:

Ha, you're in luck; I just learned this last week

Zeros: 2, 4, -3

(x-2)(x-4)(x+3) (I will be multiplying the zeros 2 and 4 first)  ——Distributive Property

(x²-4x-2x+8)(x+3) ––Combine like terms

(x²-6x+8)(x+3) ––Distibutive Property

x³+3x²-6x²-18x+8x+24 ––Combine like terms

x³-3x²-10x+24 ––Final answer, to the third degree

Chia knows that she uses two packages of walnuts to make three batches of cookies. She decides to write out the recipe for one batch of cookies. If each package says that it contains 2 1/4 cups of walnuts, how many cups of walnuts are in each recipe?

Answers

Answer:

1 1\8 cup

Step-by-step explanation:

take 2 1\4 divid by 2 = 1 1/4 cup

Answer:

1.5 cups

Step-by-step explanation:

Given

2 packages = 3 batches ⇒ 1 batch = 2/3 packages1 package = 2 1/4 cups

Each recipe is

2/3 packages = 2/3 * 2 1/4 = 2/3 * 9/4 = 3/2 cups = 1.5 cups

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