Mathematics High School

Factor completely
18x3 + 81x - 27

Answers

Answer 1

Answer:

108x

Step-by-step explanation:

Answer 2

Answer:

108

Step-by-step explanation:

18x3 + 81x - 27

(18x3) + (81x - 27)

54 + 54

108

Related Questions

4 less than y is greater than 5

Answers

Answer:

Step-by-step explanation:

The equation would be: y-4>5

Hope this helps...

The point-slope form of a line that has a slope of Two-thirds and passes through point (6, 0) is shown below.

y minus 0 = two-thirds (x minus 6)

What is the equation in slope-intercept form?

Answers

y-0=2/3(x-6) is equal to y=2/3x-4

Answer:

Step-by-step explanation:

Which fractions are equivalent to 40%? Check all that apply. 100 110 0 200 은 10 10

Answers

Answer:

2/5

8/20

4/10

16/40

Step-by-step explanation:

all except the first 1

Step-by-step explanation:

fhdjeueuejejeudi

Which month could be used as a counterexample for the argument All months have at least 30 days.?

A.) February
B.) September
C.) April
D.) July

Answers

Answer:

february

plzz mark as a brainlist

February because it has less then 30 days

What information can be used to compare linear relationships? Explain why.

Answers

Answer:the slope and the y intercept (you can tell there linear if the slope is the same and the y-intercepts are different).

Step-by-step explanation:

Answer:

Sample Response: Linear relationships can be compared using their initial values, or y-intercepts, and their rates of change, or slopes. Initial values can tell you which relationship started with a greater value. Comparing slopes can tell you which relationship is rising or falling faster.

Step-by-step explanation:

Determine which of the following relationships is true.
O DE=2AC
Om BCA = 2(m_BED)
O DE = AC
DEI|AC

Answers

Answer:

DE is parallel to AC

DE = 2AC

Explanation

In triangle ABC, BD = AD

BE = EC

D is mid point of AB

E is the mid point of AC

According to the mid point theorem, ( The line segment in a triangle joining the midpoint of two sides of the triangle is said to be parallel to its third side and is also half of the length of the third side.”) DE is parallel to AC and equal to half of it

Answer:

For clarification, the answer is DE||AC or in other words, DE is parallel to AC.

3) Maurice has a pet hamster. In October he spent
$ 13.68 on hamster food
$ 7.89 on wood shavings
$ 21.14 on a new hamster wheel.
About how much money did he spend on his hamster? Estimate by rounding each amount to
the nearest dollar.
Exactly how much did he spend on his hamster in October?

Answers

Answer:

now

Step-by-step explanation:

The amount of money that he spent on his hamster round to the nearest dollar will be $43.

What is Algebra?

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

Maurice has a pet hamster. In October he burned through $13.68 on hamster food $7.89 on wood shavings and $21.14 on another hamster wheel.

Then the amount of money that he spent on his hamster will be given by the summation of $13.68, $7.89, and $21.14.

⇒ $13.68 + $7.89 + $21.14

⇒ $42.71

⇒ $43

The amount of money that he spent on his hamster round to the nearest dollar will be $43.

More about the Algebra link is given below.

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Which statement most likely describes the formation of dunite?

Answers

Answer:

Step-by-step explanation:

please mark brainliest

can anyone help meeee plssss

Answers

Answer:

A. 14 nickles

Step-by-step explanation:

A sports store is having a 20% off sale on skis. The original price of the ski is $560.00
The tax rate is 8.5%. What is the total cost of the skis?

Answers

Answer:

Total cost: 486.080$

Step-by-step explanation:

Original Price: 560.000$

Sale: 20%

Discount: 560.000$ * 20% = 112.000$

Discounted Price: 560.000$ - 112.000$ = 448.000$

Tax Rate: 8.5%

Tax: 448.000$ * 8.5% = 38.080$

Tax after Tax: 448.000$ + 38.080$ = 486.080$

help needed!!! OVER DUE ASSIGNMENT! click picture!!

Answers

Answer:

Step-by-step explanation:

x= 6/2=3 ; y = 59° ( it opposes the side that is 10/2=5)

2) x= 6/2 =3

Chip is planning a 1,000 mile trip. His
car's
gas mileage is about 20 miles per
gallon. Gas costs $1.50 per gallon.
About how much will the gas for the
trip cost?

Answers

Answer:

$75

Step-by-step explanation:

First divide 1,000 by 20 which gives you 50

Then Multiply 50 by $1.50 to get $75

which system of equations is represented by this graph

Answers

Answer:

Step-by-step explanation:

It has the correct slopes and y-intercepts.

Multiple Choice
(
52 points 10 points)
Fill in the circle next to the correct answer.
1.
Which fraction has the same value as 3/5 + 1/3
A) 2/15
B) 4/14
C) 1/2
D) 14/15

Answers

Answer:

greetings

the answer is D

3/5 = 9/15

1/3 = 5/15

9+5= 14

Step-by-step explanation:

Answer:

Step-by-step explanation:

find the common denominator by finding the least common multiple of the two denominators

3/5 * (3) = 9/15

1/3 * (5) = 5/15

add both and u get 14/15

Subtract the sum of −7 and 13 from the sum of −2 and −9 *

Answers

Answer:

-17

Step-by-step explanation:

The sum of -2 and -9 is (-2) + (-9) = -2 - 9 = -11.

The sum of -7 and 13 is 13 - 7 = 6.

Hence, subtracting 6 from -11 would be -11 - 6 = -17.

Hope this helped!

Josh drew the rectangle below and then reflected it over C D to form Rectangle A'B'C'D'. He argues that the image of the rectangle will be in the same location as the original rectangle was. His classmate, Raquel, thinks that it wil not be. Who is correct?

Answers

Answer: Raquel

Step-by-step explanation: If you’re reflecting then obviously it’s going to be in a new spot because it flips to somewhere new

Given: x + y = 10.
If x = -21, what is y?

Answers

y=31
You have to work backwards to isolate y. You would at 21 to both sides and get y = 31

Answer:

31.

Step-by-step explanation:

-21 + 31 = 10

x + y = 10

y = 31

An iPhone is on sale for $450. It originally cost $500. What percent off is the sale offering?

Answers

Answer:

10% off

Step-by-step explanation:

(x+1)-6(x+1)+8 how to factorise it?

Answers

Answer:

Step-by-step explanation:

If you have written the question correctly, then you don't need to factor it. You only need to remove the brackets.

x + 1 + 6x + 6 + 8

7x + 15 is your final answer.

However, I think the question is

(x + 1)^2 + 6(x + 1) + 8

Let y = x + 1

y^2 + 6y + 8

(y + 2)(y + 4)

(x + 1 + 2 ) ( x + 1 + 4)

(x + 3)(x + 5)

Which equation is modeled below?
1
11
XX
1
O-X+ 1 = 2x+3
X+(-1)=2x+3
O X+(-1)=3x+2
-2x = 2x+3
Please help

Answers

Answer:

your answer is b bud... your welcome....

Step-by-step explanation:

just took the test

The equation that modeled the graph is -x + 1 = 2x + 3.

The correct option is A.

What is an equation?

A pair of algebraic equations with the equal symbol (=) in the center and the same value is referred to as an equation.

As per the information provided, it is given one red rectangular box with '-x' and one small yellow square box with '1' equals 2 green rectangular boxes and 3 yellow square boxes.

The equation in numeric form can be described as:

-1x + 1 = 2g + 3

where:

-1x represents the red rectangular box with '-x'

1 represents the small yellow square box with '1'

2g represents the two green rectangular boxes

3 represents the three yellow square boxes.

Therefore, the equation is -x + 1 = 2x + 3.

To learn more about the equation;

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Use the information to answer the question.
Liz types at a rate of 25 words per minute. The graph shows the number of words typed over time by 4 other students.
Which student types at the same unit rate of words per minute as Liz?
please help!

Answers

Britt:

This is because if she types 25 words in one minute then that means she can type 50 words in 2 minutes (just multiply by 2). The only person on the graph who can type 50 words in 2 minutes is Britt.

Hope this helps! Any questions let me know :)

What’s 2(3+a) if a=2?

Answers

Answer:

10.

Step-by-step explanation:

2(3+a)

= 2(3+2)

= 2(5)

= 10

Hope this helped!

If 15 ounces of candy cost $3.75 what is the price per unit

Answers

Answer:

$0.25 per ounce

Step-by-step explanation:

3.75 divided by 15 is 0.25

Answer:

0.25 per ounce

Step-by-step explanation:

3.75 divided by 15 is 0.25

tree+snowman+tree=17
raindeer+raindeer+snowflake=12
raindeer=snowflake
raindeer-3=snowman
then what does tree equal

Answers

Answer:

Step-by-step explanation:

Monke

Write the sentence as an inequality.

Three times a number w is less than 18.

Answers

Answer:

w<6

Step-by-step explanation:

3w/3 <18/3

You divide that and get w<6.

What are the slope and the y-intercept of the line of best fit on this scatter plot?

A.
The y-intercept is , and the slope is .
B.
The y-intercept is , and the slope is .
C.
The y-intercept is , and the slope is .
D.
The y-intercept is , and the slope is .

Answers

Answer:

the y-intercept is 8 and the slope is -4/3 .

Step-by-step explanation:

The y - intercept is (0, 8) and the slope is -4/3

What is the y-intercept?

"It is the point at which the graph of the function intersects the y-axis"

What is slope?

The slope of the line passing through points [tex](x_1,y_1),(x_2,y_2)[/tex] is,

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

For given example,

We can observe that the line of best fit on this scatter plot passes though points (0, 8) and (6, 0)

Using the slope formula,

⇒ slope = (0 - 8)/(6 - 0)

⇒ slope = (-8)/6

⇒ slope = -4/3

Also, we can observe that the line of best fit on this scatter plot intersects y-axis at point (0, 8)

So, the y - intercept is (0, 8)

Therefore, the y - intercept is (0, 8) and the slope is -4/3

Learn more about slope and y-intercept here:

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Drag the tiles to the correct boxes to complete the pairs.
Solve the inequalities for x, and match each solution to its number line graph.
Two less than of a
number (x) is no more than .
The sum of two times a number (x)
and -2 is at least 8.
Seven subtracted from 4 times a
number (x) is more than 13.
Four added to 3 times a number (x)
is less than 19.
Number Line Graph
Inequality

arrowBoth

arrowBoth

arrowBoth

arrowBoth
Reset Next
Building Inequalities to Solve Real-World Problems: Mastery Test
© 2020 Edmentum. All rights reserved.

Answers

Answer: Good luck guys

a) 4(9 x - 18) > 3(8x + 12)

The solution to the inequality is x > 9.

Graph A.

b) -1/3 (12x + 6) ≥ -2x + 14

The solution to the inequality is x ≥ -8.

Graph B.

c) 1.6 (x + 8) ≥ 36.4

The solution to the inequality is x ≥ 14.75.

Graph C.

What is inequality?

It shows a relationship between two numbers or two expressions.

There are commonly used four inequalities:

Less than = <

Greater than = >

Less than and equal = ≤

Greater than and equal = ≥

We have,

4(9x - 18) > 3(8x + 12)

First, we can simplify both sides of the inequality:

36x - 72 > 24x + 36

Next, we can isolate the variable on one side by subtracting 24x from both sides:

12x - 72 > 36

Finally, we can isolate x by adding 72 to both sides:

12x > 108

x > 9

Therefore, the solution to the inequality is x > 9.

-1/3(12x + 6) ≥ -2x + 14

First, we can simplify the left-hand side of the inequality:

-4x - 2 ≥ -2x + 14

Next, we can isolate the variable on one side by adding 4x to both sides:

-2 ≥ 2x + 14

Then, we can isolate x by subtracting 14 from both sides:

-16 ≥ 2x

Finally, we can divide both sides by 2, remembering to reverse the direction of the inequality because we are dividing by a negative number:

-8 ≤ x

Therefore, the solution to the inequality is x ≥ -8.

1.6(x + 8) ≥ 36.4

First, we can simplify the left-hand side of the inequality:

1.6x + 12.8 ≥ 36.4

Next, we can isolate the variable on one side by subtracting 12.8 from both sides:

1.6x ≥ 23.6

Finally, we can divide both sides by 1.6:

x ≥ 14.75

Therefore, the solution to the inequality is x ≥ 14.75.

Thus,

a) 4(9 x - 18) > 3(8x + 12)

The solution to the inequality is x > 9.

Graph A.

b) -1/3 (12x + 6) ≥ -2x + 14

The solution to the inequality is x ≥ -8.

Graph B.

c) 1.6 (x + 8) ≥ 36.4

The solution to the inequality is x ≥ 14.75.

Graph C.

Learn more about inequalities here:

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Solve the system of equations.
y=4x
y = x^2 + 3
A. (-1, -4) and (3, 12)
B. (0, 3) and (1, 4)
C. (1, 4) and (3, 12)
D. (-3, -12) and (-1, -4)

Answers

Answer:(1,4) and (3,12)

Step-by-step explanation

THIS IS EASY!! I NEED AN ANSWER RN! PLS HELP!!

Brent drew oblique segment AB on a coordinate gird and translated it 4 units to the left to form A’B’. Which statement must be true?

A) AB and A’B’ lie on the same line

B) AB and A’B’ are parallel to each other.

C) AB and A’B’are perpendicular to each other.

D) AB and A’B’ intersect each other, but are not perpendicular .

Answers

Answer:

Step-by-step explanation:

all you did was move it left so the orientation never changed

Translation involves changing the position of a shape in a coordinate grid.

The statement that must be true is: (b) AB and A’B’ are parallel to each other

From the question, we have the following observations.

Line segment AB is drawnThe line is then translated 4 units left to give A'B'

The above highlights imply that:

Both lines are different; this means that (a) is falseBoth lines cannot be perpendicular, because the transformation is not rotation; this means that (c) is falseBoth lines will not intersect; this means that (d) is false

Hence, the correct statement is (b), because both lines will be parallel to one another.

Answers

Answer:

If 2 lines are parallel, their slopes are the same, so all we need to do is plug in the given point and slope in the equation y = mx + b and solve for b.

[tex]-1 = 2(1) + b\\\\-1 = 2 + b\\\\-3 = b[/tex]

The equation of a line in slope-intercept form that goes through (1, -1) and is parallel to the line y = 2x - 4 is [tex]y = 2x - 3[/tex].

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Factor completely 18x3 + 81x - 27

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Factor completely
18x3 + 81x - 27