All Questions ⁺⁰230566 Questions

0

718

3

+466

Ratios

Two 10-sided convex polygons are similar. The side of the larger polygon is 3 1/3 times longer than the corresponding side of the smaller polygon. What is the ratio of the area of the larger polygon to the area of the smaller polygon?

CPhill ●●●

Shades Dec 29, 2015

0

545

2

Trains

if a train is traveling north at 10 miles per hour and a second train is traveling south at 5 miles per hour at what point will the meet if they start 150 miles apart

Guest Dec 29, 2015

0

2268

1

physics

A 2.45 mg rain drop falls to the ground. As it is falling, what magnitude of force does it exert on the earth and what is the resulting acceleration of the earth due to this force?

physics

Guest Dec 29, 2015

+5

531

1

Calculators

Where can I find a Texas Instruments TI-84 graphing calculator online with no ads or downloads for free?

Guest Dec 29, 2015

0

458

2

what is 13 divisible by to simplify

what is 13 divided by?

Guest Dec 29, 2015

0

554

2

What is the association between length and weight?

What is the association between length and weight?

I'll give u a lot of points if u help me read more ..

Guest Dec 29, 2015

0

2600

1

Math questions

Last week, a candle store received $355.60 for selling 20 candles . Small candle sell for $10.98 and large candle sell for $27.98 . How many large candles did the store sell

Guest Dec 29, 2015

0

405

0

x+5

Guest Dec 29, 2015

0

417

2

Hello

Good Afternoon Archlochs! What is the square root of 56?

Guest Dec 29, 2015

0

1230

4

How much is -9.98E-05?

How much is -9.98E-05?

Melody ●●●●

Guest Dec 29, 2015

+1

964

4

+163

Maths Puzzle

5+3+2= 151022

9+2+4= 183652

8+6+3= 482466

5+4+5= 202541 read more ..

geno3141 ●●●●

ipopsie Dec 29, 2015

0

477

1

HELP

|52 – 8 ÷ -4 × -7|

Guest Dec 29, 2015

0

598

1

the vertical component of a force 100 N inclined at an angle 40 degrees with the vertical is?

the vertical component of a force 100N inclined at an angle 40 degrees with the vertical is?

Guest Dec 29, 2015

+26

2

5994

7

+118608

Number Puzzles

This is the old number puzzle thread
http://web2.0calc.com/questions/number-challenge-for-everyone-1
There are more puzzles here too read more ..

nikhil0103 ●●●●●●●

Melody Dec 29, 2015

+24

1450

1

+118608

Answers to number puzzles

Answers with some logic added in:
1) 2, 5, 7, 9, 75, 100 The magic number is 557 read more ..

Melody Dec 29, 2015

0

569

2

a simple calculation

how does 4/3*(3.0*10^-3)^3 become 1.1 x 10^-7)?

Guest Dec 29, 2015

0

932

2

(1)/(cot(x)) - (sec(x))/(csc(x)) = cos(x)

(1)/(cot(x)) - (sec(x))/(csc(x)) = cos(x)

Guest Dec 29, 2015

0

447

1

what is the percent of increase from 24 to 30?

what is the percent of increase from 24 to 30?

Guest Dec 29, 2015

0

922

1

oranges

how much would 1 kg of oranges cost if 0.4 kg of oranges costs $1.34

Guest Dec 29, 2015

0

442

1

Math

what is 1/4 of 1/2 of 1/5 of 200?

Guest Dec 29, 2015

+5

1767

5

Four children were born at City Hospital yesterday. Assume each child is equally likely to be a boy or a girl. Which of the following outcomes is most likely?

Four children were born at City Hospital yesterday. Assume each child is equally likely to be a boy or a girl. Which of the following outcomes is most likely?

●●●●●

Guest Dec 29, 2015

Dec 28, 2015

0

654

2

(4xy^2)^-3/7?

Guest Dec 28, 2015

0

449

1

+17

trig question

Evaluate sec X, if sin X= -(7/10) and tan X >0

Steven434 Dec 28, 2015

0

1193

5

+466

Completing the Square

How do I complete the square and find out the third number in these trinomials?
9x2 - 6x ??
9y2 + 12y ??

CPhill ●●●●●

Shades Dec 28, 2015

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