All Questions

406

The positive difference between two consecutive odd perfect squares

The positive difference between two consecutive odd perfect squares is 338. Compute the larger of the two squares.

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Guest Feb 16, 2021

424

calc question about rotating around the axis

Hello, I asked a question the other day and thank you for the responses

I have a new question which I think I am right on but the website says is incorrect,
read more ..

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Guest Feb 16, 2021

495

btw im not that good in math

how to make 1 and 2 thirds

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Guest Feb 16, 2021

306

Vectors Help

Hello,
Could you please help on proving the following:
If s,r are vectors and they are perpendicular; then, if r= (x,y) then s=(-y,x)
(These are supposed to be column vectors but couldn't find it here. read more ..

Guest Feb 16, 2021

508

varitions

if r is 12 when s is 13,find r which s is 15

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Guest Feb 16, 2021

474

pyramid geometry

Let be a rectangular prism, where , , and . Find the volume of pyramid

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Guest Feb 16, 2021

572

Three printing presses, R, S, and T

Three printing presses, R, S, and T, working together at their respective constant rates, can do a certain printing job in 4 hours. S and T, working together at their respective constant rates, can do the same job in 5 hours. How many hours would it take read more ..

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Guest Feb 16, 2021

604

triangle ABC

Find the area of a triangle with vertices A(3, 1), B(2, -1), and C(-2, 1). Leave your answer in decimal form, rounded to the nearest hundredth.

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Guest Feb 16, 2021

460

word problem

There are 40 students in a class. Each girl is given 5 books and each boy is given 4 books. The girls have 65 more books than the boys. How many more girls than boys are there in the class?

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Guest Feb 16, 2021

466

+502

Difference of Squares

If $-5\leq a \leq -1$ and $1 \leq b \leq 3$, what is the least possible value of $\displaystyle\left(\frac{1}{a}+\frac{1}{b}\right)\left(\frac{1}{b}-\frac{1}{a}\right) $? Express your answer as a common fraction.

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ellapow Feb 16, 2021

482

arithmetic progression

The fifth term of an arithmetic progression is three times the second term,and the third term is 10.find the 20th term?

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Guest Feb 16, 2021

1042

A baseball team played 154 regular season games.

A baseball team played 154 regular season games. The ratio of the number of games they won to the number of games they lost was 4/3. How many games did they win? How many games did they lose?

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Guest Feb 16, 2021

553

Solve for the value of x

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Guest Feb 16, 2021

594

help with circle

In circle H with m \angle GHJ= 90m∠GHJ=90 and GH=20 units, find the length of arc GJ.

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Guest Feb 16, 2021

499

need help

What is the value of 4^(10)*8^(20)*16^(30)? Express your answer in the form a^b, where a and b are positive integers such that a is the least possible positive integer.

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Guest Feb 16, 2021

1101

arc of circle

In circle M with angle LMN = 60 and LM = 15 units, find the length of arc LN. Round to the nearest hundredth.

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Guest Feb 16, 2021

761

Help please

1. Find all integers a for which the polynomial ax^2-8x+3=0 has an integer root.
2. The ellipse (x^2/49)+(y^2/b^2)=1. has foci at (5, 0) and (-5, 0).
2(a), find the length of the semi-major axis of this ellipse.
2(b). compute the read more ..

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Guest Feb 16, 2021

483

it's geo

Given LE || MH, UV = EH = OU, and lengths shown.

Find VT.
read more ..

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Guest Feb 16, 2021

415

interest rates

Pranav invests 1,187 in a savings accountwith a fixed annual interest rate compounded 4 times per year. After 12 years, the balance reaches 3,453.74. What is the interest rate of the account?

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Guest Feb 16, 2021

542

+502

Help Please

Factor the following expression: $7x^2-63$.

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ellapow Feb 16, 2021

360

help plz

Two circles of radius r fit inside a square of side length s. Find r in terms of s, and then find the area of the shaded region in terms of s.

read more ..

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Guest Feb 16, 2021

459

+148

Range

The range of the function $g(x) = \frac{2}{2+4x^2}$ can be written as an interval $(a,b]$. What is $a+b$?

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powclaire Feb 16, 2021

-1

406

+1662

help with quadratic

A soccer ball is kicked from the ground with an initial upward velocity of 90 feet per second, The equation h = 16t^22 + 90t gives the height h of the ball after t seconds.

Give the domain and range of function

wiseowl Feb 16, 2021

Feb 15, 2021

348

Please Help

Given that 13^(-1) = 29 (mod 47), find 34^(-1) (mod 47), as a residue modulo 47. (Give a number between 0 and 46, inclusive.)

Please Help.

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Guest Feb 15, 2021

1276

quadratic

An apple is launched directly upward at 64 feet per second from a platform 80 feet high. The equation for this apple's height h at time t seconds after launch is h = -16t^2 + 64t + 80.

a. What is the height of the apple after 3 seconds? read more ..

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Guest Feb 15, 2021

All Questions ⁺⁰237635 Questions

The positive difference between two consecutive odd perfect squares

calc question about rotating around the axis

btw im not that good in math

Vectors Help

varitions

pyramid geometry

Three printing presses, R, S, and T

triangle ABC

word problem

Difference of Squares

arithmetic progression

A baseball team played 154 regular season games.

Solve for the value of x

help with circle

need help

arc of circle

Help please

it's geo

interest rates

Help Please

help plz

Range

help with quadratic

Please Help

quadratic

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