If x-y=6 and x^2+y^2=24, find x^3-y^3.

Answers

Answer 1

Answer:

162.06

Step-by-step explanation:

sorry i'm not the best an explaining but i'm confident in my answer.

the first thing to do is get rid of the ² in x²+y²=24, we do this by √24 which ≅4.90 (i rounded to the hundreth place)

then we have this

x-y=6

x+y=4.90

I am using the elmination method. To do that you need to get two letters to have the same coefficient (in 4x 4 is the coefficient) with oposite signs (one possitive one negitive)

In our equation here we see that the same coefficient is 0, and there is oposite signs for y. Therefore we can add the two equations and get

2x=10.9 (the y cancels out)

now we have a simple equation and all that is left is to solve it

10.9/2=5.45

x=5.45

Now we need to find y we do that by pluging the x value into one of the equations I choose the first one becasue its easiest.

(5.45)-y=6  

y= - .55

now that we have both x and y plug them into the final equation (5.45)³-(-.55)³= 161.89-(-.17) =162.06

Therefore x³-y³≅162.06!

(if you have any questions or would like to debate the answer please let me know!)


Related Questions

An investor buys $15,000 worth of stocks. The price of one kind of stock is $35 per share, and the price of the other kind of stock is $45 per share. If 100 shares of the more expensive stock was bought, find the number of shares of the cheaper stock bought.

Answers

Answer:

300

Step-by-step explanation:

OK i really really needs some help here real bad PLS

Answers

Answer:

w=12    b=8   p=2

Step-by-step explanation:

1 1/2 yd of white

1 yd of blue

1/4 yd of pink

2 3/4 yd in total.

times white, blue, and pink by 8

3/2x8/1 = 24/3=12

1x8=8

1/4x8/1=8/4=2

Answer:

White Fabric: 12 feet (4 yards)

Pink Fabric: 6 feet (2 yards)

Blue fabric: 24 feet (8 yards)

Step-by-step explanation:

1 yard=3 feet

1/4 yard=0.75 feet

1 1/2 yards=1.5 feet

3x8=24

0.75x8=6

1.5x8=12

I hope this is correct! I'm pretty sure it is :3

I Need Help Plz And Thank You And Show All Work And Steps.


Solve each system using the substitution method. Show all work and steps.

4.5.1) 2x-5y=8
x=3y-1


A. Substitute the equation that is already solved for one variable into the other equation.


B. Solve for the single variable in the one-variable equation.


C. Substitute the result from the previous step into x=3y−1 and solve for the unknown variable.


D. Write the solution as an ordered pair. E. Check the solution with the equation not used in Step C.

Answers

Answer: X=29

Step-by-step explanation:

First you substitute the x's: 2(3y-1)-5y=8

Then you open parenthesis:6y-2-5y=8

Combine like terms: y-2=8

Bring the 2 to the other side: y=10

Now you substitute the y with the answer: x=30-1

Easy equation: x=29

The answer will be x=29

A farmer had 22.75 bushels of corn. He sold 12 2/5 bushels at the market. His three friends bought the remaining bushels of corn. If each person bought the same amount, how many bushels did each friend purchase?

Answers

Answer:

Each friend bought 3.45 bushels of corn.

Step-by-step explanation:

12 2/5 as a decimal is 12.40. You do 22.75 minus 12.40, which gives you 10.35. Next you do 10.35 divided by 3, which gives you your final answer of 3.45.

The student faculty ratio at a middle school is 10:2 The total of students and faculty is 520. How many students are there at the middle school

Answers

10x and 2x is the answer to your question then do the equation
10x and 2x would be the answer, then solve the equation

questin below!!!!!!!!!!!!!!!!

Answers

Answer:

D

Step-by-step explanation:

I'm not intierly sure but D is the odd one out

Answers:

d

Step-by-step explanation:

bc 5+2= 10

   10+5+15

    15+5+20

What is x+67 when 67=r+8.483 and x=9?

(Please get this ASAP)

Answers

Answer:

76

Step-by-step explanation:

x=9, therefore, x+67 is 9+67, which equals: 76

A 6 ft tall tent standing next to a cardboard box casts a 9 ft shadow. If the cardboard box casts a shadow that is 6 ft long then how tall is it?
plz solve
BRainliest

Answers

3 feet- since they subtracted 3 to get a shorter shadow, you just have to subtract 3 on the box height

Answer:

So 6/9=h/6

h= [tex]6^{2}[/tex]/ 9=4 ft

Explanation:

tan=

height of the tent

length of its shadow

=height of the box

length of its shadow

3/5 divided by 2/3=

9/4 divided by 3/8=

Answers

Answer:

3/5 divided by 2/3=9/10

9/4 divided by 3/8=6

Step-by-step explanation:

Answer:

3/5 divided by 2/3 =9/10

9/4 divided by 3/8 = 6

Step-by-step explanation:

PLS HELP!!!!! WILL GIVE BRAINLIEST

Answers

9514 1404 393

Answer:

  A, D

Step-by-step explanation:

An appropriate ratio for cups and pints is ...

 (1 pint)/(2 cups)   or   (2 cups)/(1 pint)

The similar ratio involving the unknown will match the units of numerator and denominator to those of the unknown ratio:

  [tex]\dfrac{1\text{ pint}}{2\text{ cups}}=\dfrac{4\text{ pints}}{x\text{ cups}}\\\\ \text{or}\\\\ \dfrac{2\text{ cups}}{1\text{ pint}}=\dfrac{9\text{ cups}}{x\text{ pints}}[/tex]

These formulations of the problem match the first and last choices: A and D.

_____

Additional comment

I would formulate the proportion so the unknown (x) is in the numerator. This makes the solution be one step.

The least common denominator of the fractions 1/3, 1/6 and 1/2 is 6. How are 12 and 24 related to this least common denominator?

Answers

Answer:12 and 24 are related to this least common denominator because if you skip count by 3 you will get to 12 and 24 same with the other numbers 6, and 2

Step-by-step explanation:

12 and 24 are multiples of all three numbers 2,3,6.

what is 43,6480 x 34,4608 =

Answers

Answer:

The answer is 1504.1449984 , hope this helps :)

Answer:

436,480 multiplied by 344,608 is 150,414,499,840.

Step-by-step explanation:

hope this helped (:

Solve for x: 10 + 10x = 134 ft

Answers

Answer:

x=12.4

Step-by-step explanation:

First subtract 134 ft with 10 and then you divide it by 10 to get 12.4.

A county park charges a $175 fee to rent a pavilion plus $20 per guest.

What equation represents this function?

Hint: Equations are y = IV + ROCx

Answers

Y=175+20x I hope this helps

Some questions have the form y = kx, where k is a number. Drag each question to the correct category below. ( X = y/2 ),( y = .11x) , (y = 0.04x), (Z/x =9),( x - 5 =y), (5 = xy ). Has the form y = kx. Can be put into form y = kx. Other.

Answers

Answer:

Has the form y = kx

( y = 0.11x)

(y = 0.04x)

Can be put into form y = kx

(z/x = 9)

Other

(5 = xy)

( x = y/2)

Step-by-step explanation:

y = kx

( y = 0.11x)

(y = 0.04x)

kx = y

(z/x = 9)

-----------

( x = y/2 )

( x - 5 = y)

(5 = xy)

how many calories are in 15 grams of ice cream

Answers

137 calories of 15 grams of ice cream

Answer:

There are 137 calories in 15 grams of ice cream.

SPAM WILL BE REPORTED SO PLEASE JUST DONT WAIST MINE, AND OTHER PEOPLE'S TIME
Simple Question:
Find the remainder when dividing (6x3 + 5x - 8) by (x + 2).

Answers

The remainder is two hope I could help you
The remainder would be 30x or 30 because if you use the order of operations this will be the result you will get. Hope this helps you

Please help it’s fraction percentage

Answers

give me brainlyest first sorry i just dont have any

 ADDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD  

MMMMMMMMMMMMMMMMMMMMMMMMEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

                  PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS      

People    PLSSSSSSSSSSSSSSSSSSS                          IM BEGING PLSSSSSSS

and stay safe stay home and stay healthy and good luck to all

3/7 = 6/14 pls mark brainliest for actually helping

translate the question but DO NOT SOLVE I will do that part myself
four less than ten times a number is one hundred twenty-six
- the chair with internet

Answers

10n-4=126

Step-by-step explanation:

I hope this is right, so number would be a variable (n) because we don't know what said number is.

if your multiply that by 10 then put the 10 next to variable, like usual. at least that's what I do.

four less would be saying to subtract 4

and the final answer is 126

PLZ HELP THIS IS AN EXAM QUESTION
In a petri dish, a certain type of bacterium doubles in number every 25 minutes. There were originally 16, 2^4 bacteria in the dish. After 150 minutes, the number of bacteria has doubled 6 times, multiplying by 2^6. Expressed as a power, how many bacteria are in the petri dish after 150 minutes?

Answers

2x2x2x2x2x2x2= 64
There’s are 64 bacteria after 150 minutes

Tara bought a 1.8-acre lot. She is going to have sod put on 0.6 of the lot.

Part A
Which grids show the correct shading to model the multiplication?
A. 2 hundred grid models showing 8 columns shaded and 6 rows shaded. The intersecting area is an array that is 8 6.
B. 2 hundred grid models showing 16 columns shaded and 8 rows shaded. The intersecting area is an array that is 16 8.
C. 2 hundred grid models showing 6 columns shaded and 8 rows shaded. The intersecting area is an array that is 6 8.
D. 2 hundred grid models showing 18 columns shaded and 6 rows shaded. The intersecting area is an array that is 18 6.
Part B
How much of Tara’s lot will have sod? Enter your answer in the box.

acres

Part C
Use the drop-down boxes to explain how the model helps you find the product

Answers

Part c I think......

Campbell’s paycheck was $257.29. She put 1/4 of her paycheck into a savings account and used 1/3 of what was left to pay bills. How much does does she have remaining from her paycheck

Answers

Answer:

$128.65 is left.

Step-by-step explanation:

257.29 - 1/4 * 257.29

= 192.9675

192.9675 - 1/3 * 192.9675

= 128.645

James ate 150 gummy bears last week. This week he plans on increasing the number of gummy bears he eats to 180 . What is the percentage increase in his gummy bear consumption?

A) 17%
B) 20%
C) 50%
D) 30%
E) 75%

Answers

B) 20% is the correct answer
20%, Have a blessed night!

ITS NOT A OR B!!!! WILL GIVE BRAINLIEST!!!!!!Mia looked at a graph showing average global temperatures. She noticed that the average temperatures have risen abruptly over the past several decades. This indicates that global warming is occurring at a fast rate. What additional pieces of evidence do scientists use to support the idea that global warming is happening?


the amount of greenhouse gases leaving the atmosphere and increases in amounts of sea ice


the greenhouse effect and reductions in sea levels


greenhouse gas concentrations, decreases in amounts of sea ice, and increases in sea levels


ocean temperature changes, greenhouse gases concentrations, and harmful emissions reductions

Answers

B

but it could be C

put B

The additional pieces of evidence do scientists used to support the idea of global warming are greenhouse gas concentrations, decreases in amounts of sea ice, and increases in sea levels. Thus, option C is correct.

What is Global warming?

Global warming is a type of climate change that refers to the long-term rise in global temperatures.

The concept that global warming is occurring is backed by rising greenhouse gas concentrations, decreasing sea ice, and rising sea levels.

The inability of reflected solar energy to go back to the area as a result of greenhouse gases creating a blanket over the atmosphere is said to be the cause of global warming.

Thus, a rise in greenhouse gas concentrations correlated with an increase in global temperature is one bit of evidence used to support the concept of global warming.

Furthermore, it seems natural that rising global temperatures will cause sea ice to melt and the ensuing water to rise. Hence, option C is correct.

Learn more about global warming here:

brainly.com/question/23569238

#SPJ2

Are you able to determine the volume of the cube with the information given? (Explain in complete sentences)

Answers

if it is a perfect cube, the volume would be 5•5•5 or otherwise known as 5 to the third power. your answer would be 125
yes because you would be able to do 5•5•5 and you’d be able to find the volume of the cube

A bag contains:

5 red blocks

6 yellow blocks,

9 blue blocks.

What is the ratio of yellow blocks to total blocks?

1Points
A 14/6


B 14/20

C
6 to 20

D
6:14

Answers

6 to 20 because there 6 yellow blocks and 20 other blocks in total

Simplify the expression. Write answer without spaces between terms and signs.

(–2h + 1) + 2(3h – 4)

Answers

Answer:

4h-7

Step-by-step explanation:

Step by Step Solution

STEP1:Equation at the end of step 1 (1 - 2h) + 2 • (3h - 4) STEP2:

Final result :

4h - 7

The final result should be 4h-7 I think

Identify the DOMAIN for the ordered pairs

Answers

(-∞, -3) u (-3,-1) u (-1,1) u (1, ∞)
A=1 b=1.5c=-1.5d=1 hope that helps

On his way to the library , Jeff runs two blocks and then walks three more blocks.Sketch a graph to show the distance Jeff travels compared to time.

Answers

Answer:

Since I can't take a picture, I am going to explain how to draw it.

Step-by-step explanation:

When sketching the graph you must note if jeff is going up the y-axis and along the x-axis. In this case, run means he goes up every minute. So when jeff runs he is going up and 2 minutes have gone by. And when he walks he is going up 3 more but slower so it would double the time. Time would be on the x-axis and blocks would be labeled on the y-axis.

Hope this helps. : )

ILL MARK BRAINLIEST Given the measures of m∠1=35°, use the angle relationships to determine m∠5.

35

55

145

50

Answers

55 please give me brainlest

Answer:

2nd answer/55

Step-by-step explanation:

Well, 1 and 3 are the same angle because they are vertical angles.

3,4,5 are supplementary angles.

3=35, 4=90, 5=c

90+35+c=180

125+c=180

125-125+c=180-125

180-125=c

c=55

Hope this helps!!!

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