All Questions ⁺⁰231266 Questions

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533

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please help!

Let x, y, z be real numbers such that 4x^2 + y^2 + 16z^2 = 1. Find the maximum value of 7x + 2y + 8z.

Guest Apr 14, 2020

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529

1

+981

help

Consider the function

qwertyzz Apr 14, 2020

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544

1

need help on quadratic

Which of the following is the equation of the quadratic function below?

Guest Apr 14, 2020

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353

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quadratic equation

What are the roots of the quadratic equation below

Guest Apr 14, 2020

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559

2

+83

Quadratic problem

Find the number that we can place in the box, so that the resulting quadratic is the square of a binomial.

:D read more ..

floccinaucini Apr 14, 2020

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327

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probability

You roll 4 dice. Find the probability of each of these outcomes.
(a) Exactly two 1’s
(b)Exactly three 1’s
(c) At least three 1’s

Guest Apr 14, 2020

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475

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please help

A circle is centered on point B, points A,C and D lie on its circumference. If angle ADC measures 62, what does angle ABC measure

<read more ..

Guest Apr 14, 2020

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506

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mast

how many kilograms of pasta will each person get if 4 people share 1/2 of kilograms of pasta equaly

Guest Apr 14, 2020

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499

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circle geometry

Guest Apr 14, 2020

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366

0

plz help!!

Triangles ABD and DEF are isosceles right triangles. Points A, D, F and C are collinear, and points B, E and C are collinear. If AB = BD = 4 and ED = EF = 2, what is the length of segment AC? Express your answer in simplest radical form.

Guest Apr 14, 2020

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442

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+1443

Help with Biology please.

What is the most likely function of amphetamines?

A. To stimulate the sympathetic nervous system.
B. To stimulate the parasympathetic nervous system. read more ..

off-topic

SmartMathMan Apr 14, 2020

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404

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help

If measure of arc VQ = (y+7), measure of arc QR = (x+11)", measure of arc RS = (3y), and measure of arc ST = 65°, find the values of x and y.

read more ..

Guest Apr 14, 2020

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608

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PLEASE HELP ASAP

Oliver and Lenny started hiking a hill simultaneously from the bottom to the top. Oliver hiked at a speed of 5 km/h during the first half, then decreased his speed to 4 km/h during the second half. Lenny hiked at a speed of 4 km/h during the first half, read more ..

Guest Apr 14, 2020

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448

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speed

The first of your overall time spent travelling to work is on local streets, travelling at 70 km/h
How long (in hours) do you travel at 70km/h for?

Guest Apr 14, 2020

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291

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car speed TRAVELLING

The first of your overall time spent travelling to work is on local streets, travelling at 70 km/h
How long (in hours) do you travel at 70km/h for?

Guest Apr 14, 2020

+3

567

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+343

Help Please! :)

In right triangle ABC, we have and D is on such that bisects . If AB = 12 and BC = 15, then what is ?

nchang Apr 14, 2020

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311

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help

Find the area of the shaded polygons:

http://homework.russianschool.com/resource?key=17363iojf5sak
read more ..

Guest Apr 14, 2020

+2

569

1

+287

Please Help Math

Mathisgood Apr 14, 2020

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470

1

speed

Speed is calculated using the formula S=d/t where S= speed in kilometres per hour, d= distance (km) and
t= time (hours). You average 80km/h on your daily trip to work. usually spend 48 mins in my car to work read more ..

Guest Apr 14, 2020

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531

1

sqrt(((sqrt(sqrt(5))+2)+(sqrt(sqrt(5))-2))/(sqrt(sqrt(5))+2)-((sqrt(3-2)2

sqrt(((sqrt(sqrt(5))+2)+(sqrt(sqrt(5))-2))/(sqrt(sqrt(5))+2)-((sqrt(3-2)2

Guest Apr 14, 2020

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893

1

help

Ken uses pattern blocks to make a design. He puts 5 pattern blocks together, as shown in the diagram.
The measure of OJK is 120°. What is the measure of PJN ?

read more ..

Guest Apr 14, 2020

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900

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+20

CHALLENGE FOR GEOMETRY LoVeRs (or math lovers)

1. Trapezoid HGFE is inscribed in a circle, with EF || GH. If arc GH is 70 degrees, arc EH is x^2 - 2x degrees, and arc FG is 56 - 3x degrees, where x > 0 find arc EPF, in degrees.

read more ..

godmathguy Apr 14, 2020

+1

619

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+448

If the second derivitive is f ' (x)=x^2-4x-3 what would the fist derivitive be?

If the second derivative is f ' (x)=x^2-4x-3 what would the fist derivative be?

bioplant Apr 14, 2020

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411

1

help plz

Let G be the center of triangle XYZ. A dilation centered at G with a scale factor of -2/3 is applied to triangle XYZ to form triangle X'Y'Z'. Let A be the region of the area that is covered by both XYZ and X'Y'Z'. Find A/[XYZ] where [XYZ] is the area of read more ..

Guest Apr 14, 2020

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