All Questions

1085

+62

Range of a Multivariable Function

Hey guys,

How do I find the range of f(x,y)=sqrt(9-x^2-y^2)?
read more ..

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mathmeme Aug 4, 2017

786

2+(2a+2)=(2+2a)+a

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Guest Aug 4, 2017

798

Solution ppm and concentration

I've got a 1% solution, and I've used 1ml of said solution in 100ml of water to treat it. I need to work out how many ppm are in the original solution and in the water treatment mix?

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Guest Aug 4, 2017

794

Geometric series

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Guest Aug 4, 2017

Aug 3, 2017

840

+30

i needs help

i needs help

what is the distance formula?

hectictar ●●

TheBestAquamarine Aug 3, 2017

758

need help with home work

how to simplify 2+16x-9-10x

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Guest Aug 3, 2017

1021

+405

Chords and Arcs...

Does anyone know some really good websites or videos that help with chords and arcs? My homework is due in a day and my textbook doesn't explain anything.

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Complex Aug 3, 2017

1037

Help Me Plz!! I need help!! :(

I have this math problem bugging me. :( i am only in 5th grade plz help

Which value is the best estimate of 26% of 259?
read more ..

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Guest Aug 3, 2017

1451

how many solutions does this linear system have?

justify your answers:

2x + 3y = 20
6x - y = 20 read more ..

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Guest Aug 3, 2017

1890

+63

Help Please!!!!

Points D, E, and are the midpoints of sides BC, CA, and AB, respectively, of triangle ABC. Points X, Y, and Z are the midpoints of EF, FD, and DE, respectively. If the area of triangle XYZ is 21, then what read more ..

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bbelt711 Aug 3, 2017

1329

+63

Points D, E, and F are the midpoints of sides BC, CA, and B of triangle ABC

Points D, E, and F are the midpoints of sides BC, CA, and B of triangle ABC, respectively, and CZ is an altitude of the triangle. If angle BAC = 71 degrees, angle ABC = 39 degrees, and angle BCA = 70, then what is angle EZD read more ..

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bbelt711 Aug 3, 2017

4434

+63

Triangle ABC is a right triangle with right angle at A.

Triangle ABC is a right triangle with right angle at A. Suppose AX is an altitude of the triangle, AY is an angle bisector of the triangle, and AZ is a median of the triangle, and angle XAY = 13 degrees. If X is on BY, then what is the measure read more ..

hectictar ●●●●

bbelt711 Aug 3, 2017

936

Ladder proble

A 16-foot ladder leans against the side of a building. the top of the ladder touches the side of the building at 12 feet above the ground. how far away from the base of the building is the bottom of the ladder?

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Guest Aug 3, 2017

951

probability

Assume 365 days per year. If 15 people are selected at random, what is the probability that at least two of them will have the same birthday?

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Guest Aug 3, 2017

1118

6/2(2+1)=? 1 or 9?

which answer is correct for this math 6/2(2+1)=? 1 or 9 ?

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Guest Aug 3, 2017

938

Can someone show me how this is done: Differentiation of e^x

Please show me step by step of how to differentiate these two questions, as well as the rule you used.

1. e4x
2. exp(-2x) read more ..

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Guest Aug 3, 2017

1074

identify a point in the triangle when given other vertices?

two vertices of right triangle ABC are A(-2,6) and C(7,3). If the right angle is at vertex A and vertex B is on the x-axis, identify the coordinates of point B

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Guest Aug 3, 2017

710

help is greatly appreciated thank youu

Find all numbers r for which the system of congruences

x = r (mod 6),
x = 9 (mod 20), read more ..

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Guest Aug 3, 2017

512

Qustion

what is 0.05% of $700 000

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Guest Aug 3, 2017

1508

3.5e-9

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Guest Aug 3, 2017

994

what is the reciprocal of tanX?

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Guest Aug 3, 2017

2581

Please help!! Thank you!! :))

An eccentric baseball card collector wants to distribute her collection among her descendants. If she divided her cards among her 17 great-great-grandchildren, there would be 3 cards left over. If she divided her cards among her 16 great-grandchildren, read more ..

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Guest Aug 3, 2017

707

ignore this sorry!!

ahh sorry I'm new to this site so I don't know how to delete a question so ignore this..

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lovepie Aug 3, 2017

All Questions ⁺⁰231021 Questions

Range of a Multivariable Function

2+(2a+2)=(2+2a)+a

Solution ppm and concentration

Geometric series

i needs help

need help with home work

Chords and Arcs...

Help Me Plz!! I need help!! :(

how many solutions does this linear system have?

Help Please!!!!

Points D, E, and F are the midpoints of sides BC, CA, and B of triangle ABC

Triangle ABC is a right triangle with right angle at A.

Ladder proble

probability

6/2(2+1)=? 1 or 9?

Can someone show me how this is done: Differentiation of e^x

identify a point in the triangle when given other vertices?

help is greatly appreciated thank youu

Qustion

3.5e-9

what is the reciprocal of tanX?

Please help!! Thank you!! :))

ignore this sorry!!

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