MATHEMATICS HIGH SCHOOL

Y=x^3+125

Needs to be factored
Y=x^3+125 Needs to be factored - 1

Answers

Answer 1
Answer: a^3+b^3=(a+b)(a^2-ab+b^2)\n\n\ny=x^3+125=x^3+5^3=(x+5)(x^2-5x+5^2)\n\n=(x+5)(x^2-5x+25)

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First to answer gets brainliest!!
A game has 3 possible outcomes, with probabilities p1, p2, and p3. The amount of money that you will win or lose for each outcome is v1, v2, and v3, respectively. What is the expression p1v1 + p2v2 + p3v3 equal to?
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Tina lost 3 pounds on the first week of her diet. She gained a pound on the second week, and then lost 2 pounds a week during every week afterwards. She has been dieting for a total of 13 weeks. How many pounds has Tina lost in all?

Answers

Total pounds lost by Tina = 3-1+2*11 = 24 ponds

how much would $120 invested at 6% interest compounded monthly be worth after 21 years? round to the nearest cent

Answers

The formula is
A=p (1+r/k)^kt
A future value?
P present value 120
R interest rate 0.06
K compounded monthly 12
T time 21 years
A=120×(1+0.06÷12)^(12×21)
A=421.72

Hope it helps!

The value of a car bought new for $28900 decreases 15% each year. Identify the function for the value of the car. Does the function represent growth or decay?

Answers

The function for the value of the car is v(t)=28900(0.85)^t, where t is the time in years. It is a decay function.

It is given that,

  • The initial value of the car is $28900
  • Decreasing rate is 15% per year.

Explanation:

The value of car after t years is:

v(t)=a(1-r)^t

Where, a is the initial value and r is the decay rate.

The value of car is:

v(t)=28900(1-0.15)^t

v(t)=28900(0.85)^t

Thus, the required function is v(t)=28900(0.85)^t and it is a decay function because growth factor 0.85 is less than 1.

Learn more:

brainly.com/question/11795335

How to find the volume of a cylinder? Need help, thanks.

Answers

well I personally do not know the volume of a cylinder but for example if you had a cylinder that the radius(had of the diameter) was 5 and say the height was 13 then you could go on google, safari, etc. and search exactly this (also works with triangles, rectangles, squares, circles, parallelograms, trapezoids, etc. and also with the volume and surface area of triangular prisms, rectangular prisms, etc.) but  any way type in this: what is the formula for the volume(area, Surface Area, etc.)  of a cylinder(rectangular prism, triangular prism) you put in the height and the radius of the cylinder and the answer will automatically pop up if this didn't help(which I really hope it did!!) the I am terribly sorry  

What is the slope of a line perpendicular to x - 5y = -10?What is the slope of a line parallel to 4x + y = -1?

What is the slope of a line perpendicular to x - 3y = 9?

What is the slope of a line parallel to 10x - 5y = 8?

What is the slope of a line parallel to 4x + 2y = 5?

Answers

slope of line perpendicular to : x - 5y = -10
-5y = -x - 10
y = 1/5x + 2.....slope here is 1/5...perpendicular line needs a negative reciprocal slope. All that means is flip the slope and change the sign.
1/5......flip.....5/1.....change the sign....-5/1...or just -5 <== answer

 slope of line parallel to 4x + y = -1
y = -4x - 1...slope here is -4....parallel lines will have the same slope
answer is : -4

slope of line perpendicular to x - 3y = 9
-3y = -x + 9
y = 1/3x - 3....slope = 1/3.....flip...3/1....change sign...-3 <== answer

slope of line parallel to 10x - 5y = 8
-5y = -10x + 8
y = 2x - 8/5....slope = 2....parallel lines have same slope...answer = 2

slope of line parallel to 4x + 2y = 5
2y = -4x + 5
y = -2x + 5/2.....slope = -2
y=-4x would be parallel to 4x + y = -1

y=-3x would be perpendicular to x - 3y = 9

y=-2x would be parallel to 10x - 5y = 8

y=2x would be parallel to 4x + 2y = 5

Solve the system of equations​

Answers

Answer:

Step-by-step explanation:

You can solve it by substitution, by setting the first equation to y=1-x.

Replace the y in the equation by y=1-x.

4x + 3(1-x) = 8.

Distribute the 3.

4x + 3-3x = 8

Combine like terms.

x + 3 = 8

x =5

Plug 5 into y=1-x.

y=1-5

y= -4
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