All Questions ⁺⁰237748 Questions

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x^2/7-3=20

hey, its this question : x^2/7-3=20 i dont really know where to start

Guest Sep 18, 2016

+5

2182

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+4623

These two spinners are divided into thirds and quarters, respectively. If each of these spinners is spun once, what is the probability that the product of the

These two spinners are divided into thirds and quarters, respectively. If each of these spinners is spun once, what is the probability that the product of the results of the two spins will be an even number? Express your answer as a common fraction. read more ..

tertre Sep 18, 2016

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608

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??? wat is tgis

Guest Sep 18, 2016

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949

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Straight line

ABCD is a parallelogram whose diagonals intersect at E. If A,B,E are the points (-1,0),(3,-2) and (1,4) respectively, find the equation of DC.

Guest Sep 18, 2016

+5

645

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Arithmetic Sequence

what is the 40th term of 13 24 35

Guest Sep 18, 2016

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451

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Swimming pools and the Oceans

how many olympic sized pools can be filled up with all the water on Earth?

Guest Sep 18, 2016

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752

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help!

6 twos + tens = £1.82

Guest Sep 18, 2016

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399

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PLS solve

Guest Sep 18, 2016

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574

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help

find out what n Is in ths equation (20n+20)/4 =15

Guest Sep 18, 2016

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898

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+9677

Contradiction???

I am looking at the Sun now.
The light from Sun will approach Earth surface in approx. 8.33 minutes.
I am looking at the Sun 8 minutes ago?????
So I am looking at the Sun 8 minutes ago while I am not?????? read more ..

MaxWong Sep 18, 2016

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679

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Do it please

Solve 13x+3=-10

Guest Sep 18, 2016

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660

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Complex number

(√2 + i√3) * i√6 - √2 * (2i√2 - 3) + i * (6/√6 - 6/√3) =

Guest Sep 18, 2016

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1675

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Complex number

(√2 + i√3) * i√6 - √2 * (2i√2 - 3) + i * (6/√6 - 6/√3) =

Guest Sep 18, 2016

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1779

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Your goal is to create a college fund for your child. Suppose you find a fund that offers an APR of 7 %7%. How much should you deposit monthly to accumulate

Your goal is to create a college fund for your child. Suppose you find a fund that offers an APR of 7 %7%. How much should you deposit monthly to accumulate &82,000 in 12 years?

Guest Sep 18, 2016

+5

659

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Math question

x^2=169 ? How to do this math question

Guest Sep 18, 2016

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793

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+9677

Factorizing trinomials

I always factor trinomials that are not perfect squares in a different way as yours, I need steps though, I do it in 1 step.
The (ax + b)(cx + d) step is my thinking method, I usually write 2x^2 + 11x + 5 = (2x + 1)(x + 5).

MaxWong Sep 18, 2016

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813

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(–5) • (7) – (6) • (–2)

(–5) • (7) – (6) • (–2)

Guest Sep 18, 2016

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681

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+8

Last maths question I need help for, please show with full algebraic working

The diagram of a rectangular field is shown below. The units of length are metres.
(rectangle x + 6 wide and x tall)

Given that the area is 72 m2, write an equation and solve it to find the length and read more ..

framewp Sep 18, 2016

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640

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+8

Need help on maths practice, how would you solve this problem with full algebraic working?

John saved $6000 for a trip to the Olympic Games. He wanted to buy as many
tickets as possible. A ticket for one day at the swimming costs $91.

Travel, food and accommodation costs $4200. Use this information to write read more ..

framewp Sep 18, 2016

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848

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i'm stuck on a question

Guest Sep 18, 2016

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924

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of the 24 players who scored 2 goals or more at the 2010 FIFA World Cup, seven eights were not from brazil. How many of these players were not from brazil

of the 24 players who scored 2 goals or more at the 2010 FIFA World Cup, seven eights were not from brazil. How many of these players were not from brazil

Guest Sep 18, 2016

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