All Questions ⁺⁰237795 Questions

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657

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help

In triangle ABC, angle C = 90 degrees, angle A = 30 degrees, and D is the foot of the altitude from C to hypotenuse AB. What is the ratio of the area of triangle BDC to the area of triangle ADC?

Guest May 24, 2020

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613

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+42

Two way table and probability

I'm confused about how to solve the first problem and to set up this table. I would really appreciate your help. read more ..

matthewicee May 24, 2020

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1086

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help

The four partners in a business decide to split the profits of their company in the ratio 2:3:3:5. If the profit one year is $26,000 what is the largest number of dollars received by any of the four partners?

Guest May 24, 2020

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639

1

i dont get it please help geo :(

The sides of triangle are and A semicircle is inscribed in triangle so that its diameter lies on , and is tangent to the other two sides. Find the area of the semicircle.
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Guest May 24, 2020

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1063

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help

What is the least integer whose square is 48 more than its double?

Guest May 24, 2020

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713

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help

Using only the digits 7, 8, 9, how many positive seven-digit integers can be made that are palindromes?

Guest May 24, 2020

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654

3

please help me with a few geometry questions :(

I need help with a few questions, so I would greatly appreciate it if you could take the time to help me.

1. Find the length , to two decimal places.
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Guest May 24, 2020

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714

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help

Suppose 2a − 3b = –23. Given that a and b are consecutive integers, and a < b, what is the value of a?

Guest May 24, 2020

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545

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help

How many integers n are there such that is also an integer?

Guest May 24, 2020

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557

1

help

Guest May 24, 2020

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389

0

Please help!

https://web2.0calc.com/questions/help_35416

Guest May 24, 2020

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409

0

PLEASE HELP!

https://web2.0calc.com/questions/please-help_42220

Guest May 24, 2020

+1

600

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algebra

Simplify sqrt(4 - 2*sqrt(3)) + sqrt(7 - 4*sqrt(3)).

Guest May 24, 2020

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581

2

help please

Solve the equation sqrt(5x - 1) = sqrt(x) + 1.

Guest May 24, 2020

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513

1

help

James has a collection of 20 miniature cars and trucks. Cars make up 40% of the collection. If James adds only cars to his collection, how many cars must he add to make the collection 75% cars?

Guest May 24, 2020

-1

654

3

Could you guys guide me on this problem?

Guest May 24, 2020

0

639

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+4

halp

Find all integers n such that the quadratic 7x^2 + nx -11 can be expressed as the product of two linear factors with integer coefficients.
The one that CPhill answered (srry CPhill) was wrong because the last three were incorrect. read more ..

PickleBotHead May 24, 2020

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563

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help

A line passes through the points (7,4) and (6,3). What is the x-intercept?

Guest May 24, 2020

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652

1

. How many possible outfits can Dustin wear?

Dustin has five hats, five shirts, five pairs of pants, and five pairs of shoes; he has one of each in blue, green, gray, silver, and gold (his five favorite colors). Dustin is picky about what he wears: he insists on his shoes being the same color as at read more ..

Guest May 24, 2020

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426

1

help please

How many positive integers less than or equal to 1000 are divisible by 2, 5, or 10?

Guest May 24, 2020

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524

1

please help

If x + y = sqrt(31) and x - y = sqrt(21), then find xy.

Guest May 24, 2020

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456

1

help

In triangl ABC, BC = 3, AC = 4, and AB = 5. The angle bisector of angle ACB intersects AB at D. Find CD.

Guest May 24, 2020

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