All Questions

474

simplifying this rational expression?

and show each step :)

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Guest Mar 15, 2018

1264

Question

A square $DEFG$ varies inside equilateral triangle $ABC,$ so that $E$ always lies on side $\overline{AB},$ $F$ always lies on side $\overline{BC},$ and $G$ always lies on side $\overline{AC}.$ The point $D$ starts on side $\overline{AB},$ and ends on side read more ..

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Guest Mar 15, 2018

+25

821

+1356

Math

Who is really good at math?

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IAmJeff Mar 15, 2018

Mar 14, 2018

+27

783

+1356

Math

I got a 95 on my math quiz today.

ElectricPavlov ●●●●

IAmJeff Mar 14, 2018

1102

4µW/m2 at 200m

A base station is located in an urban environment, and the power per square metre at 100m is measured to be 4µW/m2. What would be a reasonable value to expect at 200m? (You will have to make an assumption to calculate your answer. State the assumption you read more ..

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Guest Mar 14, 2018

642

+491

Need Some Help

What is the value of y?

read more ..

hectictar ●

whosmans Mar 14, 2018

613

Can someone explain domain and range of a function

I am confused as to what the difference is between domain and range can someone explain it and how to calculate domain and range.

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Guest Mar 14, 2018

1666

Please help

Consider the functions $f$ and $g$ defined by \[f(x) = \sqrt{\dfrac{x+1}{x-1}}\qquad\qquad\text{and}\qquad\qquad g(x) = \dfrac{\sqrt{x+1}}{\sqrt{x-1}}.\]Explain why $f$ and $g$ are not the same function.

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Guest Mar 14, 2018

1793

Need help

1. Compute the domain of the real-valued function $$f(x)=\sqrt{3-\sqrt{5-\sqrt{x}}}.$$
2. If $f(x)=ax^4-bx^2+x+5$ and $f(-3)=2$, then what is the value of $f(3)$?

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Guest Mar 14, 2018

3304

+4609

math geometry

1. In triangle ABC, AB=12 units and AC=9 units. Point D is on segment BC so that BD:DC=2:1. If AD=6 units, what is the length of segment BC? Express your answer in simplest radical form.

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tertre Mar 14, 2018

754

+43

I admit

what I say may seem like complete bs and honestly it's kinda funny. But not only am I trying to turn over a new leaf, but everyone who has come to me really have only heard good things from me. Some of the more trustworthy people on this site I've read more ..

off-topic

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ClownPrinceofChaos Mar 14, 2018

841

finding the non-permissible value (essentially solving for g)?

when trying to isolate g, what would you do? please show your steps because i'm lost :(

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Guest Mar 14, 2018

724

Please help

1. There are three real numbers $x$ that are not in the domain of $$f(x) = \frac{1}{1+\frac{1}{1+\frac 1x}}.$$ What is the sum of those three numbers?

2.Let \[f(x) = \frac{3x - 7}{x + 1}.\] Find the domain of $f$. Give your answer read more ..

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Guest Mar 14, 2018

534

help please

adding and subtracting algebraic fractions - write as a single fraction in its simplest form
a) 3x/4 - x/8
b) 3x/4 - x/3
c)4/15x - 3/30x read more ..

hectictar ●

Guest Mar 14, 2018

665

+4609

bisectors geometry.

In triangle , and is a point on so that bisects angle . If , what is the measure, in degrees, of angle ?

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tertre Mar 14, 2018

892

+429

Find the point-slope form of the equation of the line that passes through (-1, -5) with a slope of 3.

Find the point-slope form of the equation of the line that passes through (-1, -5) with a slope of 3.

A. 2x - 5y = -35
B. y - 3 = 2525(x + 10) read more ..

ElectricPavlov ●

jakesplace Mar 14, 2018

707

+4609

geo help! Urgent!

Let be the point (0,5), let Q be the point (6,9), and let R be the point (12,0). Determine the area of right-angled

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tertre Mar 14, 2018

625

happy PI day

Hi
Happy " ¶ " day to all you budding mathematicians out there!

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Guest Mar 14, 2018

1616

+150

I hope y'all are having a great day!

cowgirlkatie03 Mar 14, 2018

929

+43

A little group

I'm putting a group for this site, nothing bad just a...math help squad if you will heh. Come talk to me if interested

off-topic

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ClownPrinceofChaos Mar 14, 2018

1011

+579

am i correct

i was looking for the center, the radius, and how it is translated from center
i believe the center is
the radius is
and the translation is moving it one to the right. read more ..

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OfficialBubbleTanks Mar 14, 2018

1340

Sum of.....

What is the sum of all digits from 1 to 1,000. Just to make it very clear, the question is about the sum of each individual number. Example: 11 =1 + 1 =2, 12= 1 + 2 =3.....97=9 +7 =16.....991 =9+9+1=19.....and so on from 1 to 1,000. Thanks for read more ..

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Guest Mar 14, 2018

5785

+105

Could someone please help me with this math problem?

A supermarket finds that the number of boxes of a new cereal sold increases each week. In the first week, only 16 boxes of the cereal were sold. In the next week, 33 boxes of the cereal were sold and in the third week 50 boxes of the cereal were sold. The read more ..

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Jaleco Mar 14, 2018

745

+1450

Quadrilateral Question

The angles of a quadrilateral are x, 5x + 15 degrees, 3x - 25 degrees, and 4x - 20 degrees. Find the measure of the largest angle of the quadrilateral.

Thanks!

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AnonymousConfusedGuy Mar 14, 2018

All Questions ⁺⁰230564 Questions

simplifying this rational expression?

Question

Math

Math

4µW/m2 at 200m

Need Some Help

Can someone explain domain and range of a function

Please help

Need help

math geometry

I admit

finding the non-permissible value (essentially solving for g)?

Please help

help please

bisectors geometry.

Find the point-slope form of the equation of the line that passes through (-1, -5) with a slope of 3.

geo help! Urgent!

happy PI day

I hope y'all are having a great day!

A little group

am i correct

Sum of.....

Could someone please help me with this math problem?

Quadrilateral Question

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