All Questions ⁺⁰238216 Questions

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788

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Variance

What is the variance of 67, 70, 74, 75, 77, 68, 72, 76, 69, 72?

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Guest Dec 11, 2016

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473

1

Solve for n :

Solve for n:
n- (-5) = -13

Guest Dec 11, 2016

0

465

1

sum of two numbers

the sum of two numbers is 4. their difference is 12. what are the two numbers? what is 15 more than the smaller or these two numbers?

Guest Dec 11, 2016

0

848

1

Physics - Conservation of Momentum

A 282 kg bumper car moving right at 3.50 m/s collides with a 155 kg bumper car moving 1.88 m/s to the left. Afterwards, the 282 kg car moves right at 0.800 m/s. Find the momentum of the 155 kg car afterwards.

Guest Dec 11, 2016

0

664

1

algebra

alyssa mixed 8mL of a salt solution with 9mL of a 50% salt solution to make a 42% of salt solution find the %of salt concentration of the first solution

Guest Dec 11, 2016

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703

1

MULTIPLYING SQUARE ROOTS?

how do you multiply square roots

Guest Dec 11, 2016

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463

1

Multiplication

Guest Dec 11, 2016

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572

1

Help!

Guest Dec 11, 2016

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620

1

Math

What is 3/5 to the tenth power?

Guest Dec 11, 2016

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650

1

what is 8,569 rounded to 100

what is 8,569 rounded to 100

Guest Dec 11, 2016

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704

1

math

-4.5 x 10 to the power of 7

Guest Dec 11, 2016

Dec 10, 2016

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764

1

Have you realised that basically every number ending in the 3 is a prime number if the number before it is not a multiple of 3 (except for 343 and

Have you realised that basically every number ending in the 3 is a prime number if the number before it is not a multiple of 3 (except for 343 and maybe some others)(this could also be wrong though)

Guest Dec 10, 2016

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759

3

+16

plsss help

A gardener measures the height of a plant after 4 weeks to be 9.0 inches. After 6 weeks the height of the plant is 13.5 inches. In this situation, what UNITS would you use to describe the rate of change of the height of the plant?

smh505 Dec 10, 2016

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767

1

Do you have a graphing calculator?

Do you have a graphing calculator?

Guest Dec 10, 2016

0

1149

1

+16

HELP ARITHMETIC SEQUENCE

Given the following Arithmetic Sequence, create a formula for the nth term, then find the 50th term in the sequence.
-1, -0.5, 0, 0.5, ...

smh505 Dec 10, 2016

0

835

3

+16

please help, y intercept

Find the y-intercept of the graph of: 0x + 6y = 35

MaxWong ●●●

smh505 Dec 10, 2016

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714

1

+16

slope

Find the slope between the two points: (7, 0) and (-9, 4)

smh505 Dec 10, 2016

-4

2039

4

+73

HELP WITH THIS!

Part 1

Megan is using different color rectangular cards for her scrapbook. Each card has an area of 24 square inches and the length is 5 inches more than the width. Find the length and width of her cards.
read more ..

GAMEMASTERX40 Dec 10, 2016

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3534

4

Probability of guessing 7-digit code from numbers 1-20

What is the probability of correctly guessing a 7 number random code out of 20 numbers (i.e. 1-20)? The probability needs to be expressed as in 1:1000. Thanks

Guest Dec 10, 2016

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526

2

I NEED HELP

23 is 92% of what number?

Guest Dec 10, 2016

-4

836

2

+73

Help With This Really Tricky Question!!! PLZ HELP!!!

The following quadratic expression is factorable.

x^2 + bx + 19
read more ..

ElectricPavlov ●●

GAMEMASTERX40 Dec 10, 2016

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521

1

HELP

how do I get a numerator and denominator button

Guest Dec 10, 2016

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