which expression is equivalent to the given expression. 3(x-7)+4(x^2-3x+9)

Which Expression Is Equivalent To The Given Expression. 3(x-7)+4(x^2-3x+9)

Answers

Answer 1

4x^2-5x+15 is the answer.

Answer 2

Step-by-step explanation:

= 3(x-7) + 4(x² - 2x + 9)

= 3x - 21 + 4x² - 8x + 36

= 4x² + 3x - 8x + 36 - 21

= 4x² - 5x + 15


Related Questions

curtain investments compound interest at different intervals. What effect does the size of the compounding interval have on the yield of the investment?

Answers

As the compounding frequency increases, the yield increases as well. But there's a limit to that increase.

Consider depositing $100 into an account at 5% interest. Let's consider a timespan of 1 year. These values were picked arbitrarily.

Using the formula A = P(1+r/n)^(nt), we can find the various yield amounts when n varies

The table below shows how A changes based on the values of n. I've let P = 100, r = 0.05 and t = 1.

As n gets larger, the value of A slowly approaches 105.13 when you round to the nearest penny.

So eventually the investment yield hits a ceiling of some sort.  We cannot make the investment grow forever in some fixed amount of time (in this case 1 year).

What are the reasons?

Given: 3x + 1 = -14; Prove: x = -5
Statements

Answers

Answer:

x=-5

Step-by-step explanation:

Statement          Reason

3x+1 =-14              Given

3x=-15                   Subtraction Property of Equality

x=-5                       Division Property of Equality

Evaluate the expression for x=4
3x^2

Answers

Answer:

Step-by-step explanation:

x = 4

3x^2

3(4)^2

3(16)= 48

What is the solution of 2x(x+7)=0 if you are factoring​

Answers

Answer:

x= {0, 7}

Step-by-step explanation:

Sione just landed a great job as an engineer where he will make $55,000 a year. The company he
will work for guarantees a 3% pay increase each year so it's employees' salaries keep up with
inflation. At the end of the first year Sione will have made $55,000.
RECURSIVE FUNCTION?

Answers

Answer:

m (t) = m (t-1) * 1.03; m(t) = 55,000

Step-by-step explanation:

What is the answer to this question?

Answers

Answer:

The answer is 65,-4

Step-by-step explanation:

x coordinates is 65 while the Y coordinates is -4

The answer is x=70 and y= -4 so (70, - 4)

convert 4.5m to kilometers

Answers

Answer:

0.0045 km or 4.5×10^-3 km

Step-by-step explanation:

h(x)= x^2 - x g(x)= 2x-2 Find (h•g)(x)

Answers

Answer:

Step-by-step explanation:

(x^2 - x)(2x - 2)

2x^3 - 2x^2 - 2x^2 + 2x

2x^3 - 4x^2 + 2x

Convert to standard form: y = 5x + 20

Answers

Answer:

5x - y = -20

Hope this helps.


Repeating Decimals
to Fractions
1)0.6
2)0.45
3)0.2
4)0.90

Answers

Answer:

1. 3/5

2. 9/20

3. 1/5

4. 9/10

Step-by-step explanation:

a classroom has 24 desks. if the students arrange the desks to 4 rows how many desks will be in each row explain.

Answers

24/4= 6 so there would be six desks in each row
Answer:

6 desk in a row
Explanation:

There is 24 desks total divided by 4 rows which equals 6. And if you want to check if this is correct reverse the operation by multiplying 6 x 4.

Convert 1.76km into cm

Answers

Answer:

176000cm

Step-by-step explanation:

1.76km * 1000m / 1km * 100cm / 1m = 176000cm

Answer:

176000

Step-by-step explanation:

To convert km to cm, we need to multiply the number by 100000, which results in your answer.

The midpoint of AB is M(-2,-6). If the coordinates of A are (1, –4), what are
the coordinates of B?

Answers

Answer is B (-5,-8)

what is the common denominator of 1/8 -5/3

Answers

Answer:

-37/24

Step-by-step explanation:

In order for the data in the table to represent a linear function with a rate of change of +5, what must be the value of a?

Answers

Answer:

a=18

Step-by-step explanation:

The value of a or m is 18 in the linear equation, y = 5x - 2.

What is the system of equations?

One or many equations having the same number of unknowns that can be solved simultaneously called as simultaneous equation. And simultaneous equation is the system of equation.

Given:

The table represents a linear function.

The data is given in the attached image.

The general equation of the linear function is,

y = ax+b.

Where a is the slope and b is constant.

By using the first and the third points from the table to find the equation of the linear function,

When x = 3  and y = 13,

13 = 3a+b      {equation 1}

When x = 5 and y = 23

23 = 5a+b      {equation 2}

Solving the system of equation,

we get,  

a = 5  and b = -2

So, the equation is,

y = 5x - 2

Now, x = 4

Then y = m = 20 - 2 = 18

Therefore, the value of m is 18.

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Hector has 10 cups of flour. Which equation shows how to determine the number of Two-fifths of a cup servings there are in the 10 cups of flour? 10 divided by two-fifths = 25 10 times two-fifths = 4 Two-fifths divided by 10 = StartFraction 1 Over 25 EndFraction Five-halves divided by 10 = one-fourth

Answers

Answer:

10/(2/5)

Step-by-step explanation:

If you want to find how much of something is in another thing, you divide.

Answer:

The answer is A 10 divided by 2/5=25. I just took the test on Ed

Step-by-step explanation:

simplify (3x^5)^2 please !!

Answers

Answer:

[tex]9x^{10}[/tex]

Step-by-step explanation:

[tex](x^a)^b=x^{ab}[/tex]

so

[tex](3x^5)^2=9x^{10}[/tex]

True or False: The graph below is the correct graph of the function y= -7x+14 and the intercepts

Answers

Answer:

It'ssssss Trueeeeeee

Aunt Andrea decided to help with decorations for Rachel’s party. Aunt Andrea created a table to find the amount of balloons she will need.

A 2-column table with 4 rows. Column 1 is labeled Tables, x with entries 3, 4, 5, 6. Column 2 is labeled Balloons, y with entries 15, 20, 25, 30.

What is the equation that represents the scenario?

Answers

Answer:

y=5x

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

Translate the sentence into an inequality.
Twice the difference of a number and 3 is at least -20.

Answers

Answer: 2n-3>=-20

Step-by-step explanation: instead of the equal sign put a line under the sign <

After translating the given statement, the inequality will be 2x - 3 ≥ -20.

What is inequality?

Inequalities are mathematical expressions where neither side is equal. In inequality, as opposed to equations, we compare the two values.

Less than (or less than and equal to), larger than (or greater or equal to), or not similar to signs are used in place of the equal sign in between.

As per the information in the question,

The statement for the inequality in the question,

Twice, the difference between a number and 3 is at least -20.

Let the number be x.

Twice the number is 2x.

So,

2x - 3 ≥ -20

To know more about Inequality:

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Which of the following is equivalent to 3⁴? 1. 12 2. 81 3. 7 4. 64

Answers

the correct answer is 81

Answer:

81

Step-by-step explanation:

15y - 10 + y - 8 simplifies to

Answers

Answer:

Combine Like Terms:

= 15y + −10 + y + −8

= (15y+y) + (−10+−8)

= 16y + −18

What is the missing coefficient?
x2 + 4x
+
2x
x2 + x
please help me​

Answers

6
x^2 + 6x since 4x + 2x = 6x

How many integers are between 100 and 10000 in the records of which there are exactly three identical digits?

Answers

Answer:

333

Step-by-step explanation:

Three digit posibilitys: 9

4 digit and 5 digit posibilitys: 322

The solution is, there are 9 integers are between 100 and 10000 in the records of which there are exactly three identical digits.

What is number?

A number can be mentioned as a mathematical object used to count, measure, and label. We can have, The original examples are the natural numbers 1, 2, 3, 4, and so forth. Numbers can be represented in language with number words.

here, we have,

given that,

integers are between 100 and 10000 ,

we have to find the integers of which there are exactly three identical digits.

so, we get,

integers with exactly three identical digits are, 111, 222, 333, 444, 555, 666, 777, 888, 999.

because, after that integers are having more than 3 digits.

Hence, The solution is, there are 9 integers are between 100 and 10000 in the records of which there are exactly three identical digits.

To learn more on number click:

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A gallon of paint will cover 144 square feet of floor space. What are the dimensions of the largest square floor that the gallon of paint will cover?
Please Helppppp I will make u brainliest

Answers

You want the largest SQUARE floor then both of the sides have to be the same. Since one gallon can cover up 144 square feet, to work out the dimensions you have to find the square root of 144 which is 12. So the largest square floor it can cover has dimensions 12x12 feet.
Hope this helped :)

Find the coordinates of the other endpoints of the segment, given its midpoint and one endpoint. Midpoint (-14, -18), endpoint (-18,-13)

Answers

Answer:

Step-by-step explanation:

(x - 18)/2 = -14

x - 18 = -28

x = -10

(y - 13)/2 = -18

y - 13 = -36

y = -23

(-10, -23) the other endpoint

It costs $14.40 for 4.5 pounds of beef. How much is the beef per pound?
A - $2.30
B - $3.20
C- .32
Can anyone help me ???

Answers

$3.20 you have to divide $14.40 and 4.5 and you will get 3.2 which is technically 3.20.

The cost of one pound beef is $3.2

What is Unitary Method?

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

Given:

Cost 4.5 pound of beef = $14.40

So, the unit rate for beef

= 14.40 / 4.5

= $3.2

Hence, the cost of one pound beef is $3.2

Learn more about Unitary Method here:

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what is the answer to this question im having trouble 3 x 2 - x?

Answers

Answer and Step-by-step explanation:

3 x 2 - x = ? Well, if you simplify it's just 5x. But, if you are trying to solve this then you have to know what x is or what your answer is. But, if you're trying to solve 3 x 2 = x then x would equal 6. Of course, if you know the answer or what x equals then plug it in as such, let's say x = 2 then you would plug 2 in for x and solve, 3 x 2 = 6 - 2 = 4. But, if you are trying to solve for x then look at the answer, let's say it is 24 so, 3 x 2 - x = 24, x would equal -18.

Hope this helped you out! Have a wonderful day!

**Note, I didn't understand what you were asking, that's why I went into so much detail to help you out. Please, be clearer with your questions. Make sure you got all the whole question in there! Thank you!**

Convert the following values into scientific notation. Which one has the negative exponent.

Answers

Answer:

B has a negative exponent: 8 x 10^-7

A doesn't: 4.267 x 10^7

Morgan, Dakota and Taylor showed their work solving the equation 7x+5x+1=73. Identify the student with the invalid first step and justify your reasoning. Morgan: 7x+5x+1=73 12x+1=73 Dakota: 7x+5x+1=73 7x+6x=73 Taylor: 7x+5x+1=73 7x+5x=72

Answers

Answer:

Step-by-step explanation:

Given the equation solved by Morgan, Dakota and Taylor expressed as 7x+5x+1=73, to get the value of x, the valid steps are as shown;

7x+5x+1=73

take the sum of 7x and 5x

12x+ 1 = 73

subtract 1 from both sides

12x+1-1 = 73-1

12x = 72

Divide both sides by 12

12x/12 = 72/12

x = 6

Based on the calculation above, the students with invalid first step is Dakota.

Dakota added 5x with 1 to get 6x which is an invalid step because 1 is not attached to a variable x. A function cannot be added to a constant hence making his first step invalid.

Answer:

As you can see, Taylor failed to add 1 to her equation. This ruins the whole first step. She also used 72 instead of 73 for the answer. Taylor is incorrect.

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