All Questions

+1

505

1

Help here

Let $f(x)$ be a quadratic polynomial such that $f(-4) = -22,$ $f(-1)=2$, and $f(2)=-1.$ Let $g(x) = f(x)^{16}.$ Find the sum of the coefficients of the terms in $g(x)$ with even exponents.

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Guest Mar 30, 2021

+1

585

2

+321

help!!!

Help

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itachiuchihakujo Mar 30, 2021

0

459

1

hmm

Whenever Deven and Laura owe each other money, they "pay" each other using stickers. They've agreed that a Harry Potter sticker is worth 49 dollars and a Twilight sticker is worth 35 dollars. They can even use stickers as "change" if one person overpays read more ..

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Guest Mar 30, 2021

+1

1312

1

Find the largest $x$ such that $$3\sqrt{3x^2+2x+36}+\sqrt{3x^2+2x-36}=40.$$

Find the largest x such that $$3\sqrt{3x^2+2x+36}+\sqrt{3x^2+2x-36}=40.$$

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Guest Mar 30, 2021

0

1246

2

When Joe dives off a diving board, the equation of his pathway can be modeled by h=-16t^2+15t+12. Find the time it will take to reach the wa

When Joe dives off a diving board, the equation of his pathway can be modeled by h=-16t^2+15t+12. Find the time it will take to reach the water. Solve using the quadratic formula.

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Guest Mar 30, 2021

+1

642

4

+197

Help please!

Version has a cell phone plan that charges $42 per month for a new iPhone, $25 per month for 4GB of shared data, and $10 per GB once you have used over 4GB.Please write an equation to find "t", the total bill for the month.

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icecreamlover Mar 30, 2021

0

419

1

geometry

In the figure below, ABCD is a parallelogram, AD = 18 and DC = 21. Segments EG and FH are perpendicular to sides of the parallelogram as shown, and EG = 16. What is the area of the parallelogram?
read more ..

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Guest Mar 30, 2021

0

414

0

Daniela drew a model

Daniela drew a model of her backyard with quarter circular gardens in two different corners. She will install grass in the shaded area since her house is brand new. The diagram is the drawn model with the dimensions of her backyard. How much of the yard read more ..

Guest Mar 30, 2021

0

550

1

floor function problem :)

How many different values can take for ?

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Guest Mar 30, 2021

+1

548

1

+321

If 4^x = 3, what is 4^2x-2

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itachiuchihakujo Mar 30, 2021

0

550

1

hard question about polynomials D:

Let S be the set of 10-tuples (a_0, a_1, \dots, a_9) where each entry is 0 or 1, so S contains 2^10 10-tuples. For each 10-tuple s = (a_0, a_1, \dots, a_9) in S, let p_s(x) be the polynomial of degree at most 9 such that read more ..

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Guest Mar 30, 2021

0

530

1

geometry

In the figure below, ZAX is equilateral and has perimeter 30. What is the exact area of the quadrilateral FLAX? Explain how you determined your answer.

read more ..

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Guest Mar 30, 2021

+1

542

3

+321

If we know that b(b^4 * b^3)^2 = b^3x for all real numbers b, what is the value of x?

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itachiuchihakujo Mar 30, 2021

0

554

1

right triangles

In a certain isosceles right triangle, the altitude to the hypotenuse has length 6. What is the hypotenuse of the triangle?

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Guest Mar 30, 2021

0

558

2

+1

help pls!!

How many different non-congruent isosceles triangles can be formed by connecting three of the dots in a 4 by 4 square array of dots like the one shown below?

read more ..

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potatooooooo6392487 Mar 30, 2021

0

499

1

Probability

Martin and Stacey are playing a game in which they will roll two dice and add the digits. If the sum of the digits equals 5, Martin wins. If the sum of the digits equals 9, then Stacey wins. What conclusion could you make about the game?
A. Stacey read more ..

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Guest Mar 30, 2021

-1

724

7

+54

Geometry (part 2) thanks to the people helping me!

2. A 3 meter wide sidewalk surrounds a rectangular garden that is 4 meters by 6 meters. Find the area of the sidewalk only.

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KindaFrisky Mar 30, 2021

0

588

1

Math

A King in ancient times agreed to reward the inventor of chess with one grain of wheat on the first of the 64 squares of a chessboard. On the second square, the King would place two grains of wheat, on the third square, four grains read more ..

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Guest Mar 30, 2021

-1

561

5

+54

Help please! (Geometry)

1. Three segments have a total length of 26 inches. The first segment is two less than three times the second segment. The third segment is one more than five times the second segment. What are the lengths of the three segments?
All three read more ..

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KindaFrisky Mar 30, 2021

0

605

4

+10

Hello, Any help on this would be very appreciated. I need help with 'C'

An electric motor drives a pump that raises 0.15m3 of water per minute through a vertical height of 35m. Calculate:
A) the power required: 858.37W
B) the power required to drive the pump if it has an efficiency of 72%: 618.03W
C) read more ..

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TrainingSparky Mar 30, 2021

0

508

1

+4

Mass Roots Social Networks

The third informal organization stage to be talked about here and one of the more established ones is Mass Roots. With a site and versatile application, the stage is available to grown-ups in states where pot is lawful. The stage saw a lot read more ..

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arshah60 Mar 30, 2021

0

624

1

Any Help Would be Appreciated, Thank You.

An electric motor drives a pump that raises 1,000 litres of water each minute, to a tank 20m above ground level. Calculate the power that the motor must provide if the pump is only:
50% efficient:
80% efficient: read more ..

ElectricPavlov ●

Guest Mar 30, 2021

0

606

1

+409

The Avogadro number, defined originally (sort of) as the number of atoms .

The Avogadro number, defined originally (sort of) as the number of atoms in 12 grams of carbon, is roughly 6.02 × 1023. Give this information, what is the mass (in grams) of 1 atom of carbon? Give your answer in scientific notation.

ElectricPavlov ●

liz54321 Mar 30, 2021

0

532

1

geometry problem

A pentagon is drawn by placing an isosceles right triangle on top of a rectangle as pictured. What percent of the area of the pentagon is the area of the right triangle?

read more ..

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Guest Mar 30, 2021

0

577

1

Any help on how to do this question would be appreciated, Thank you.

Calculate the power required to raise 2.5m3 of water from a well 12.5m deep, in 30 seconds. NB: 1m3 of water = 1,000kg.

ElectricPavlov ●

Guest Mar 30, 2021

All Questions ⁺⁰238401 Questions

Help here

help!!!

hmm

Find the largest $x$ such that $$3\sqrt{3x^2+2x+36}+\sqrt{3x^2+2x-36}=40.$$

When Joe dives off a diving board, the equation of his pathway can be modeled by h=-16t^2+15t+12. Find the time it will take to reach the wa

Help please!

geometry

Daniela drew a model

floor function problem :)

If 4^x = 3, what is 4^2x-2

hard question about polynomials D:

geometry

If we know that b(b^4 * b^3)^2 = b^3x for all real numbers b, what is the value of x?

right triangles

help pls!!

Probability

Geometry (part 2) thanks to the people helping me!

Math

Help please! (Geometry)

Hello, Any help on this would be very appreciated. I need help with 'C'

Any Help Would be Appreciated, Thank You.

The Avogadro number, defined originally (sort of) as the number of atoms .

geometry problem

Any help on how to do this question would be appreciated, Thank you.

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