All Questions

640

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.

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Guest Apr 14, 2020

630

+980

help

Consider the function

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qwertyzz Apr 14, 2020

644

need help on quadratic

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

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Guest Apr 14, 2020

450

quadratic equation

What are the roots of the quadratic equation below

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Guest Apr 14, 2020

652

+84

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 ..

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floccinaucini Apr 14, 2020

424

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

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Guest Apr 14, 2020

571

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

610

mast

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

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Guest Apr 14, 2020

598

circle geometry

Find x

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Guest Apr 14, 2020

459

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

525

+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

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SmartMathMan Apr 14, 2020

496

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

710

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 ..

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Guest Apr 14, 2020

-1

547

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?

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Guest Apr 14, 2020

373

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

659

+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 ?

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nchang Apr 14, 2020

408

help

Find the area of the shaded polygons:

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

Guest Apr 14, 2020

659

+287

Please Help Math

Please Help

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Mathisgood Apr 14, 2020

573

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 ..

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Guest Apr 14, 2020

632

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

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Guest Apr 14, 2020

988

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 ..

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Guest Apr 14, 2020

981

+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 ..

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godmathguy Apr 14, 2020

706

+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?

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bioplant Apr 14, 2020

504

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 ..

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Guest Apr 14, 2020

All Questions ⁺⁰237795 Questions

please help!

help

need help on quadratic

quadratic equation

Quadratic problem

probability

please help

mast

circle geometry

plz help!!

Help with Biology please.

help

PLEASE HELP ASAP

speed

car speed TRAVELLING

Help Please! :)

help

Please Help Math

speed

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

help

CHALLENGE FOR GEOMETRY LoVeRs (or math lovers)

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

help plz

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