All Questions

454

How many rectangles are in this figure? Each angle is a right angle.

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Guest Jan 23, 2021

420

help with algebra

Rationalize the denominator of $\frac{1}{\sqrt{2} + \sqrt{5} + \sqrt{7}}$.

MaxWong ●

Guest Jan 23, 2021

497

I don't know how to solve :<

The volume of the apple juice in a glass whose shape is an inverted frustum of a cone is 1176π mm³. The depth of the juice is 18mm.Find the radius of the lower base if the product of its radii is 60 mm².

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Guest Jan 23, 2021

257

Please help :(

The volume of a conical frustum is 2401π cu. cm. If the radius of the lower base is 14 cm and the altitude is 21-cm.Calculate the lateral area of the conical frustum.

Guest Jan 23, 2021

396

help help

The pink circle with center D is tangent to the blue, green and red semicircles with centers B, C and A respectively as shown above. If the blue and green semicircles have radii 2 and 1 respectively, find the radius of the pink circle.
read more ..

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Guest Jan 23, 2021

435

Help! Algebra - Factoring Trinomials

1.) 2z^2 - 7z + 5

2.) 9y^2 + 30yw + 25w^2
read more ..

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Guest Jan 23, 2021

403

trapezoid

A isosceles trapezoid has a base of length 12 and a top of length 4 . Find its height (length of the red line) if $ AC \perp BD $.

read more ..

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Guest Jan 23, 2021

403

please help

Points $E$, $F$, $G$, and $H$ lie on a line in that order. If $EG=\frac{5}{3}EF$ and $HF=5FG$, then what is $\frac{EF}{HG}$?

read more ..

MooMooooMooM ●

Guest Jan 23, 2021

515

help with algebra

Solve the equation: ${ 2 }^{ x }+{ 2 }^{ x+1 }+{ 2 }^{ x+2 }+{ 2 }^{ x+3 }=\frac { 15 }{ 2 }$.

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Guest Jan 23, 2021

-1

388

+216

Number theory help

An integer is said to be square-free if the only perfect square that divides is . How many positive odd integers greater than 1 and less than are square-free?

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Jmaster10 Jan 23, 2021

983

regular octagon

What fraction of the regular octagon is shaded blue?

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Guest Jan 23, 2021

365

Some math counts practice problems(any hints appreciated!)

1.What is the sum of the 3rd triangular, 4th square, 5th pentagonal, 6th hexagonal, 7th heptagonal and 8th octagonal numbers?
2.What is the sum of the 3rd triangular, 4th square, 5th pentagonal, 6th hexagonal, 7th heptagonal and 8th octagonal numbers? read more ..

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Guest Jan 23, 2021

463

If ABCED is congruent to GHKJL, but no diagram is provided.

If ABCED is congruent to GHKJL, but no diagram is provided.
BUT this is the information given to find the length of segment GH??? PLEASE HELP AGAIN!
BC= -3+11
JL= -5x-24 read more ..

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Guest Jan 23, 2021

305

Please help

How do I find the constant of proportionality when y is inversely proportional to x^2 when y is 8 and x is 32?

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Guest Jan 23, 2021

429

help please

In the figure, $AB = 12$, $FE = 8$, $BC = CD = DE = 3$, $AB\perp BE$, $FE\perp BE$,
Then find the area of $\Delta GCD$.

read more ..

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Guest Jan 23, 2021

523

+22

If Triangle ADC is congruent to Triangle BDC, then the measure of angle BCD= what degrees?

If Triangle ADC is congruent to Triangle BDC, then the measure of angle BCD= what degrees?
Angle A= (56-3a)
Angle D= 107
Angle B= (8a+1) read more ..

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lastkings856 Jan 23, 2021

444

proportion

Suppose s and t are directly proportional. If s=14 when t=18, what is s when t=7?

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Guest Jan 23, 2021

384

PLEASE HELP

what is the inverse of the function f(x)=2/3x^3-1
the options are
g(x)=^3√6x-6 /2
g(x)=^3√12x+12/2 read more ..

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Guest Jan 23, 2021

304

PLEASE HELPPPPP

Which function is the inverse of f(x)=2/3x^3-1?

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Guest Jan 23, 2021

Jan 22, 2021

489

+328

A bunch of Speed problems (pls help)

1. Sophia and Melody were biking together. along a straight bikeway from two positions.At one point Sophia stopped to rest, while Melody continued to bike. Sophia resumed biking again but at a faster pace of 22 miles per hour, while Melody continued at read more ..

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Potatobird Jan 22, 2021

581

If we express 2x^2 + 6x + 11 in the form a(x - h)^2 + k, then what is h

If we express 2x^2 + 6x + 11 in the form a(x - h)^2 + k, then what is h?

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Guest Jan 22, 2021

287

help with quadratic

Complete the square 4x^2 + 15x + 2 .

Enter your answer in the form a(x + u)^2 + v, where a, u, and v are replaced by numbers.

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Guest Jan 22, 2021

445

+69

weird function problem

If f(x)= -1/x , what is f(f(f(f(f(6)))))?

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ddocm Jan 22, 2021

281

Math

What is the ratio of the area of a regular hexagon to the area of the hexagon which uses the midpoints of the first hexagon's sides as its vertices? Express your answer as a common fraction.

Guest Jan 22, 2021

253

Completing the Square help asap

The quadratic 3x^2-24x+72 can be written in the form a(x+b)^2+c, where a, b, and c are constants. What is a+b+c?

Guest Jan 22, 2021

All Questions ⁺⁰234777 Questions

How many rectangles are in this figure? Each angle is a right angle.

help with algebra

I don't know how to solve :<

Please help :(

help help

Help! Algebra - Factoring Trinomials

trapezoid

please help

help with algebra

Number theory help

regular octagon

Some math counts practice problems(any hints appreciated!)

If ABCED is congruent to GHKJL, but no diagram is provided.

Please help

help please

If Triangle ADC is congruent to Triangle BDC, then the measure of angle BCD= what degrees?

proportion

PLEASE HELP

PLEASE HELPPPPP

A bunch of Speed problems (pls help)

If we express 2x^2 + 6x + 11 in the form a(x - h)^2 + k, then what is h

help with quadratic

weird function problem

Math

Completing the Square help asap

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