(x + y)3 - (x - y)3 when x = 2 and y=-1​

Answers

Answer 1

Step-by-step explanation:

When x = 2 and y = -1,

(x + y)³ - (x - y)³

= (2 - 1)³ - [2 - (-1)]³

= (1)³ - (3)³

= 1 - 27

= -26.


Related Questions

Gavin is a sales person. He sold at able for $477
and earned 20% commission. How much commission did Gavin earn?

Answers

Answer:

95.40

Step-by-step explanation:

first u do 10% and that is 47.7

then 20% is 47.7 times 2 and that is 95.40

Answer:

[tex]\huge\boxed{\sf \$ \ 95.4}[/tex]

Step-by-step explanation:

Commission = 20 % of $477

[tex]\sf = \frac{20}{100} * \$ \ 477\\\\= 0.2 * \$ \ 477\\\\= \$ \ 95.4\\\\He \ got \ a \ commission \ of \ \$ \ 95.4\\\\\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807

A number p is less than 6 and greater than 2. What’s the inequality?

Answers

Answer: 2<p<6

Step-by-step explanation:

p < 6

p > 2

if we were to flip that second one, p > 2, we get 2 < p.

now we combine that with the other inequality.

2 < p < 6

For every | | cats in the pet store, there are | | dogs.




Help plss

Answers

For every single cat there is four dogs

Answer:

for every one cat there are 4 dogs

Step-by-step explanation:

11 : 44

11÷1 : 44÷11

1 : 4

HELP ASAP I WILL GIVE 25 POINTS AND MARK BRAINLIST!!!!!!

Answers

Answer:

1. Addition property

2. Division property

3.  Given

next question

1. Distributive

2. Addition

3. Division

4. Given

Step-by-step explanation:

The following section is a statement from the rental agreement Tim signed when he rented his car this past
weekend.
"Upon checkout, the fuel level of the vehicle will be determined by turning the vehicle on and visually inspecting the
fuel gauge. The approximate fuel level will be recorded on the Check-Out sheet and verified with initials by the
vehicle Renter. One copy of the Check-Out sheet will be given to the customer. Another copy will be kept with the
on-site records of the vehicle.
The rented vehicle must be returned with a minimum fuel level the same as that indicated on the Check-Out sheet.
A vehicle returned with a fuel level less than the approximate level indicated on the Check-Out sheet will be
completely refueled with on-site pumps. The price of the fuel used to refuel the vehicle will be added to the
Renter's total charge at a cost of $4.50 per gallon plus a S5.00 re-fueling charge
As a part of the check-out process, it is customary for a car rental agency to look over the car with the customer and
fill out the Check-Out sheet together. As Tim was walking around the car looking for damages that he didn't want to
be held responsible for, the agency representative turned on the car, took note of the fuel level, and indicated it on
the Check-Out sheet. Since Tim didn't have any questions, the clerk handed him the keys and a copy of the Check-
Out sheet and wished him well.
Mark this and return
Save and Exit

Answers

Answer:

B

Step-by-step explanation:

Bc it is

50 points please help me with this. Dont spam random things. If your smart answer this please

Answers

Answer:

top one

Step-by-step explanation:

Answer: It's B.

Step-by-step explanation: this is 1st grade math. good luck!

A school flag consists of three rectangular sections that each have a different color.
In the diagram, a represents the width of the green section in inches
2
3
Write an expression to represent the
area of the flag as the sum of the areas
of each section.
Green
2x+21
+3
Purple
11
Orange
1) Write an expression to represent the area
of the flag as the product of the flag's
length and width
7
&
9
2+
?)
4
56

Answers

Answer:

[tex]Area =\frac{10x + 15}{2}[/tex] in both cases

Step-by-step explanation:

See attachment for complete question.

From the attachment, we have the following given parameters

Green Section: Dimension: x by 2

Orange Section: Dimension: 2 by [tex]1\frac{1}{2}[/tex]

Purple Section: Dimension: 3 by (x + [tex]1\frac{1}{2}[/tex])

Solving (a): Area of the flag as a sum of each section

We simply calculate the area of each section.

[tex]Area = Length * Width[/tex]

For the green section;

[tex]Area = x * 2[/tex]

[tex]Area = 2x[/tex]

For the orange section

[tex]Area = 2 * 1\frac{1}{2}[/tex]

[tex]Area = 3[/tex]

For the purple section

[tex]Area = 3 * (x + 1\frac{1}{2})[/tex]

[tex]Area = 3 * (x + \frac{3}{2})[/tex]

[tex]Area = 3x + \frac{9}{2}[/tex]

Total Area = Sum of the above areas

[tex]Area = 2x + 3 + 3x + \frac{9}{2}[/tex]

Collect Like Terms

[tex]Area = 2x + 3x+ 3 + \frac{9}{2}\\[/tex]

[tex]Area = 5x+ \frac{6+9}{2}[/tex]

[tex]Area = 5x+ \frac{15}{2}[/tex]

[tex]Area =\frac{10x + 15}{2}[/tex]

Solving (b): Area of the flag as a product

From the attachment,

[tex]Length = 2 + 3[/tex]

[tex]Length = 5[/tex]

[tex]Width = x + 1\frac{1}{2}[/tex]

[tex]Area = Length * Width[/tex]

[tex]Area = 5(x + 1\frac{1}{2})[/tex]

[tex]Area = 5(x + \frac{3}{2})[/tex]

[tex]Area = 5x + \frac{15}{2}[/tex]

Take LCM

[tex]Area = \frac{10x + 15}{2}[/tex]

EXAMPLE 6: Two trees outside the school have a height of 60 inches and 72
inches tall. How many feet are both trees?

Answers

Answer:

the first tree is 5ft and the second one is 6ft

Step-by-step explanation:

what is the slope of the line for y=-5x-12​

Answers

Answer:

slope = -5

Step-by-step explanation:

y = mx + b

m = slope

In this case m = -5

Nancy decides to roll a die three times.
What's the probability that she will roll all
even numbers?

Answers

1/8

Step-by-step explanation:

The probability of rolling an even number on one roll is 3/6 = 1/2. Assuming the rolls are independent, the probability of rolling an even number 3 times is ...

 (1/2)(1/2)(1/2) = 1/8

The probability that Nancy rolls all even numbers in 3 rolls is 1/8

Answer:

0.125

Step-by-step explanation:

fastbridge

please help me answer this question!! will give brainliest and 5 star rating!!

Answers

Yo where is the question

Roll a fair six sided die 1000 times. Out of 1000 rolls how many times an even number

Answers

Answer:

500 times!

Step-by-step explanation:

the probability of a die showing an even number is 3/6 i.e, 1/2. for one role the probability of getting an even number is 1/2, therfore for a thousand role = 1000 x 1/2 = 500 times.

Simplify.
Hurry please :)

Answers

Answer:

[tex]6\sqrt{30}[/tex]

Step-by-step explanation:

what is the square root of 625

Answers

Answer:

25

Step-by-step explanation:

25 times 25 =625

Answer:

25

Step-by-step explanation:

for questions like these it is best to use a calculator

if you use a TI 84 calculator then press the blue button that says "2nd" and

then on that same column there will be a button that says [tex]x^{2}[/tex]

press these buttons then enter the number that you want to find the square root of

then press "enter" and your answer will be there

please help fast. - a pair of equations are shown below:

y = 7x - 8
y = 5x - 2

Answers

Answer:

see explanation

Step-by-step explanation:

Given the 2 equations

y = 7x - 8 → (1)

y = 5x - 2 → (2)

A

Solving by substitution

Substitute y = 7x - 8 into (1)

7x - 8 = 5x - 2 ( subtract 5x from both sides )

2x - 8 = - 2 ( add 8 to both sides )

2x = 6 ( divide both sides by 2 )

x = 3

Substitute x = 3 into either of the 2 equations and evaluate for y

Substituting into (1)

y = 7(3) - 8 = 21 - 8 = 13

Solution is (3, 13 )

B

The point of intersection of the graph of the 2 equations is the solution to the above equations.

That is point of intersection = (3, 13 )

Your friends and you go to Olive Garden for dinner. You all spend $55.65. You all leave a 15% tip. How much tip did you all leave?

Answers

Answer: You and your friends spent $8.35 for tips.

Step-by-step explanation:

the surface "s" area of a sphere of radius " r" is given by the formula of s= 4πr^2
find;
1, the surface area of a sphere whose radius is 5 cm
2,the radius of a sphere whose surface area is 23716/81​

Answers

Answer:

As below

Step-by-step explanation:

1)    4*pi*[tex]5^{2}[/tex]= 314.159 [tex]cm^{2}[/tex]

2)    s = 4 * pi *[tex]r^{2}[/tex]

[tex]\sqrt{s / (4*pi)}[/tex] =r

[tex]\sqrt{(23716/81)/ (4 * pi)}[/tex] = r

15.1643... = r   :)

Leah had $24. She bought 7 sharpies and was left with $10. How much did each sharpie cost?

Answers

Answer: 2$ per sharpie

Step-by-step explanation:24 - 10= 14     7 x 2 =14

1/3 (x + 4) = 20

What is x in the equation (100 points :)))

Answers

Answer:

x = 56

Step-by-step explanation:

[tex] \frac{1}{3} (x + 4) = 20 \\ \\ x + 4 = 20 \times 3 \\ \\ x + 4 = 60 \\ \\ x = 60 - 4 \\ \\ x = 56[/tex]

The answer is x=56 :)

Naomi measured the floor of her bedroom, which is rectangular. It is 8 feet wide and 10 feet from one corner to the opposite corner. How long is the bedroom unit

Answers

Answer:

18 feet

Step-by-step explanation:

Home Depot sells 400 stoves every day. Home Depot sells 125 more microwaves per day than stoves. Which equation can be used to find x, the total number of stoves and microwaves Home Depot sells in one day?

Answers

Answer:

400

Step-by-step explanation:

transversals angles​

Answers

Angle 3, or C for this specific problem

Answer:

It is C. 3

Step-by-step explanation:

Hope this helped have an amazing day!

men can do a work in 32 days in how many days will 24 men complete the same work​

Answers

Answer:

It will take 32/24, or 1 1/3 days, for 24 men to get the job done.

Step-by-step explanation:

I NEED HELP ASAP PLEASE HURRY

Marc wants to buy a bestselling book and a DVD of the movie based on the book. He has $30 to spend. Find the estimated total cost of the two items by rounding their prices to the nearest dollar. Will Marc be able to purchase both items with the money he has?

Prices, including taxes: Book: $10.58 and DVD: $19.50

The estimated total to the nearest dollar is $29, so he can afford both items.
The estimated total to the nearest dollar is $31, so he can afford both items.
The estimated total to the nearest dollar is $29, so he cannot afford both items.
The estimated total to the nearest dollar is $31, so he cannot afford both items.

Answers

Answer:

The estimated total to the nearest dollar is $31, so he cannot afford both items.

Step-by-step explanation:

10.58 rounded is 11

19.50 rounded is 20

11+20=31

Answer:

I think it would be last one. Based on the idea that 10.58 would round up to 11.00, and the DVD would add up to 20.oo

that would equal 31.00, and he only has 30.00 to spend.

So I would say D.

Step-by-step explanation:

Find each percentage of 75. Explain your reasoning.

What is 10% of 75?

What is 1% of 75?

What is 0.1% of 75?

What is 0.5% of 75?

Answers

The first one is 7.5, and the second one is 0.75,and the third is 0.075, and the last one is 0.375
HOPE THIS HELPS:)

Write a linear function f with f(0)=3 and f(−6)=3.

f(x)=

Answers

Answer:

y = 3

Step-by-step explanation:

The equation of a line is;

y = mx + c

Now, when f(0) = 3, it means at x = 0, y = 3.

Thus;

3 = 0 + c

3 = c

Also, f(−6) = 3

Thus;

3 = -6m + 3

6m = 3 - 3

6m = 0

m = 0/6

m = 0

Thus,equation is;

y = c

y = 3

please help! i'll give brainliest.

what is it called when a magnet causes the atoms in a non-magnetic metal to line up and act like a magnet?
a: oriented magnet
b: permanent magnet
c: non-magnet
d: induced magnet

Answers

Answer:

B

i think i need 20 words so B

Answer:

B

Step-by-step explanation:

help me please, i need a answer asap

Answers

Answer:

14/24 can be a answer?

Step-by-step explanation:

Hope this helped :)

BRAINLIEST! Write an equation that is true when x is equal to -5, 4, or 0 and for no other values of x , and where one side of the equation is a 4th degree polynomial. (Look at graph for more info)

Answers

Answer:

y = x^3 + x^2 − 20x

Step-by-step explanation:

Find the factors from the roots, then multiply the factors together.

f(x) = x³ + x² − 20x that is equation when x is equal to -5, 4, or 0 and for no other values of x.

What is polynomial?

A polynomial is defined as a mathematical expression that has a minimum of two terms containing variables or numbers. A polynomial can have more than one term.

What are Arithmetic operations?

Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions. The operator that performs the arithmetic operation is called the arithmetic operator.

Given that

f(x) = (x + 5)(x - 4)(x)

Multiply the factors together.

f(x) = (x + 5)(x² - 4x)

we have to open the brackets above

f(x) = x³ - 4x² + 5x² - 20x

Rearrange the likewise terms and apply the arithmetic operations,

f(x) = x³ + x² − 20x

This equation is true when x is equal to -5, 4, or 0 and for no other values of x.

Learn more about the polynomial here:

brainly.com/question/11536910

#SPJ2

The partial factorization of x2 – 3x – 10 is modeled with algebra tiles. An algebra tile configuration. 1 tile is in the Factor 1 spot: and is labeled + x. 6 tiles are in the Factor 2 spot: 1 is labeled + x and 5 are labeled negative. 18 tiles are in the Product spot: 1 is labeled + x squared, 2 are labeled + x, the 5 tiles below + x squared are labeled negative x, and the 10 tiles below the + x tiles are labeled negative. Which unit tiles are needed to complete the factorization?

Answers

Answer:

2 positive unit tiles is needed

Step-by-step explanation:

Given the expression x^2 – 3x – 10, the partial factorization is as shown;

x^2 – 3x – 10

=  x^2 +2x – 5x – 10

= x(x+2)-5(x+2)

= (x-5)(x+2)

Note that negative values are represented as tiles labelled below (negative tiles) while positive values are tiles labelled above (positive tiles)

From the second line we can see that first term 1 is labeled + x squared, second is labelled +2x (two positive tiles above), then the 5 tiles below + x squared are labeled negative x, and the 10 tiles below the + x tiles are labeled negative.

Hence base on the partial factorization and the underlined statement, we can see that 2 positive unit tiles is needed to complete the factorization

Answer:

B i think

Step-by-step explanation:

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