All Questions

916

Help please

The temperature of a solution in a science experiment is –6.2°C. Jesse wants to raise
the temperature so that it is positive.

Part A read more ..

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Arianna May 13, 2020

778

Test question

As water evaporates from a potted plant, its weight changes at a rate of -1 5/8 ounces per day.

Part A
Estimate the change in the potted plant’s weight after one week. read more ..

Arianna May 13, 2020

769

+47

Help please!

1. Aurora hit a baseball with an initial velocity of 70 feet per second at an angle of 30° with the horizontal. The ball hit her bat when the ball was 3 feet above the ground.

A) No one interferes with the ball. How long does it take read more ..

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Vanessadeirdre May 13, 2020

401

help

A right circular cone of base radius 1 and slant height 3 is given. P is a point on the circumference of the base. Find the length of the shortest path from P around the cone and back to P.

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Guest May 13, 2020

681

+47

Please help!

1. Vector V= left angle bracket -9, 2 right angle bracket is transformed using the transformation matrix A= [first row -4 1]
[second row -1 2]

What is the resulting vector? Show all your work. read more ..

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Vanessadeirdre May 13, 2020

981

+47

Math! Please help.

Consider the polar equation r=3sin(2theta) read more ..

Vanessadeirdre May 13, 2020

614

+287

Urgent (math)

Please help

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Mathisgood May 13, 2020

605

Help

Define f(x)=(1+x)/(1-x) and g(x)=(-2)/(x+1). Find the value of g(f(g(f(... g(f(12)) ... )))) where the function f is applied 8 times, and the function g is applied 8 times, alternating between the two.

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Guest May 13, 2020

579

hard geometry

A parallelogram has perimeter 40 and altitudes of length 4 and 7. Find the sine of the smaller vertex angle.

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Guest May 13, 2020

378

please help

Suppose r is a root of x^4 - x^3 + x^2 - x + 1 = 0. Compute r^{20} - r^{15} + r^{10} - r^5 + 1.

Guest May 13, 2020

646

+287

Please Help (math)

Thanks in advance!

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Mathisgood May 13, 2020

496

exponents

Solve for x:

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Guest May 13, 2020

679

+231

i am in need of assistance

thanks again!!!(last one)

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peepeepuupuu May 13, 2020

513

help

Find cos(arctan(2)).

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Guest May 13, 2020

663

+287

Please Help (math)

Thanks in advance!

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Mathisgood May 13, 2020

530

can anyone help?

A sector of a circle of radius 10 and central angle 60 degrees has a circle inscribed in it. Find the diameter of the circle.

read more ..

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Guest May 13, 2020

619

help!

Line segments STM and MQ are tangents to the circle at T and Q, respectively. C is the center of the circle and does not lie on QS. If SRQ is a straight line, SR=TR and angle TSR = 25 degrees, what read more ..

Guest May 13, 2020

915

please help!

In the diagram below, BA and BC are tangents to the circle at points A and CC respectively. If angle AEC = 110 degrees and angle DCE = 80 degrees, find angle ABC.

read more ..

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Guest May 13, 2020

871

+231

help please

Thank you!!!

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peepeepuupuu May 13, 2020

771

algebra

Simply sqrt(20) + sqrt(45) + sqrt(80) - 2*sqrt(125) + 1/(sqrt(5) - 2).

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Guest May 13, 2020

1920

Geometry help please explain

Let ABCD be a convex quadrilateral. Let P and Q be points on side such that AP = PQ = QB. Similarly, BR = RS = SC, CT = TU = UD, and DV = VW = WA.
read more ..

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Guest May 13, 2020

444

Geometry question please explain

Let B, A, and D be three consecutive vertices of a regular 18-gon. A regular heptagon is constructed on , with a vertex C next to A. Find , in degrees.
read more ..

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Guest May 13, 2020

553

Explain please

Let PQRS be a square with side length 10. The points X and Y lie outside the square such that XQ = 6, XP = 8, YS = 6, and YR = 8. Find XY^2. read more ..

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Guest May 13, 2020

385

please help

Solve the equation x(x + 1) + (x + 1)(x + 2) + ... + (x + 9)(x + 10) = 1000x + 2011.

Guest May 13, 2020

515

Plz help, I do not understand this any help would be appreciated

A square is inscribed in a right triangle. The legs of the triangle are 2 and 3. Find the side length of the square.

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Guest May 13, 2020

All Questions ⁺⁰237781 Questions

Help please

Test question

Help please!

help

Please help!

Math! Please help.

Urgent (math)

Help

hard geometry

please help

Please Help (math)

exponents

i am in need of assistance

help

Please Help (math)

can anyone help?

help!

please help!

help please

algebra

Geometry help please explain

Geometry question please explain

Explain please

please help

Plz help, I do not understand this any help would be appreciated

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