All Questions ⁺⁰237665 Questions

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742

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help

A set of four consecutive integers has a sum of 22. If each integer of the set is increased by 2 and then multiplied by 20, what is the sum of the new set of integers?

Guest May 27, 2020

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1074

3

+224

Explain this geometry please

Simon has built a gazebo, whose shape is a regular heptagon, with a side length of 1 unit. He has also built a walkway around the gazebo, of constant width 1 unit, as shown below. (Every point on the ground that is within 1 unit of the gazebo read more ..

envoy May 27, 2020

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536

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quadratic

The quadratic x^2 + px + 4 has a minimum value of 3. What is p?

Guest May 27, 2020

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500

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complex numbers

Solve z^3 = 8 in complex numbers.

Guest May 27, 2020

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589

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help

Triangle ABC has vertices A(0, 0), B(0, 3) and C(5, 0). A point P inside the triangle is sqrt(10) units from point A and sqrt(13) units from point B. How many units is P from point C? Express your answer in simplest radical form.

Guest May 27, 2020

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741

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pls help

ABC is an equilateral triangle with side length 6. Arcs are drawn centered at the vertices, connecting the midpoints of consecutive sides as shown. Find the area of the “triangular” region in the middle.

Guest May 27, 2020

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552

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help

Three people are to be chosen from a pool of 20 qualified applicants, 10 of whom are men, and 10 are women. What is the probability that all three chosen people are women?

Guest May 27, 2020

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411

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help please

In the equation y+x=k where is tangent to an ellipse, what do x and y represent?

Guest May 27, 2020

+1

597

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+179

so many questions

How many pairs of positive integers satisfy ?

TheGreatestOofman May 27, 2020

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570

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+256

Coordinate plane geometry

How do I rotate a shape around one of its points?
How do I rotate a shape 90 degrees around any point?

BWStar May 27, 2020

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556

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help

A salesman sold twice as many pears in the afternoon than in the morning. If he sold 360 kilograms of pears that day, how many kilograms did he sell in the morning, and how many in the afternoon?

Guest May 27, 2020

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583

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help please

Circle is the incircle of and is also the circumcircle of . The point X is on , the point Y is on , and the point Z is on . If , , and , what is the measure of ? read more ..

Guest May 27, 2020

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595

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please help

What are the first 10 digits after the decimal point (technically the hexadecimal point) when the fraction 1/7 is written in base 16?

read more ..

Guest May 27, 2020

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986

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help

Derek’s phone number, 336-7624, has the property that the three-digit prefix, 336, equals the product of the last four digits, 7 × 6 × 2 × 4. How many seven-digit phone numbers beginning with 336 have this property?

Guest May 27, 2020

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639

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+179

Please Help... This is a Tough Question

Function Composition:
For how many integers from 1 to 100, inclusive, does for some number of applications of ?

TheGreatestOofman May 27, 2020

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587

1

HELP PLEASE

A mathematics text book, which consists of 859 pages, is 3 * 25 cm thick. Calculate thickness of a single page in the book in the form a x 10ˆn, where 1 ≤ a < 10, Give your answer correct to the three decimal places.

Guest May 27, 2020

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454

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help!

Sam only has 100 $1 coins, 50 $2 coins, 20 $5 coins and 10 $10 coins. He needs to buy a present but he doesn't know the price. What he knows is that the price is a whole number from $1 to $100. What is the least number of coins he must bring so that he read more ..

Guest May 27, 2020

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529

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help

The equation

holds for all x other than 2/a. Find a. read more ..

Guest May 27, 2020

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407

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i need answer please

Suppose that in a bank the number of rejected cheques during a week in March is normally distributed with mean 30 cheques. And standard deviation 5 cheques.
Find the probability that the number of rejected cheques is less than 33. read more ..

Guest May 27, 2020

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945

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algebra help

In this multi-part problem, we will consider this system of simultaneous equations:

Let a=3x, b=5y, and c=-6z.

Given that (x, y, z) is a solution to the original system of equations, determine all distinct possible values read more ..

Guest May 27, 2020

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588

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help

The following data points represent the weight (in kilograms) of each of Newman's dogs. \qquad 3, 2, 26, 93,2,26,93, comma, 2, comma, 26, comma, 9 Find the mean weight.

Guest May 27, 2020

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