All Questions

422

Rewriting an equation

Hi! How do I rewrite T = 11* √M to calculate M? if M is 33 (I don't need an answer, I'm only including it because it's a part of the assignment. I want to calculate it myself but I'm not sure what to do with the square root) read more ..

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Guest Jan 3, 2021

450

Golden rectangle in a triangle

Triangle ABC has sides AB = 6, AC = 8, and BC = 12. The golden rectangle is inscribed in a triangle so that two of its vertices are on side BC and the other two vertices are on sides AB and AC. Find the area of a rectangle.

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Guest Jan 3, 2021

373

probability

A Senate committee consists of 5 Republicans, 6 Democrats, and 2 Independents. A subcommittee of 3 members is randomly chosen. What is the probability that the subcommittee consists of 1 Republican and 2 Democrats?

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Guest Jan 3, 2021

411

help with digits

Find the absolute value of the difference of single-digit integers A and B such that
ABA_6 + 411_6 = 1215_6
Express your answer in base 6.

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Guest Jan 3, 2021

308

counting

It is a beautiful day at the beach and ten beach volleyball players have shown up at the volleyball courts. Each two-person volleyball team should consist of a setter and a spiker. Five of the players prefer to be a spiker, three of the players prefer to read more ..

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Guest Jan 3, 2021

572

Without using a calculator, order the following numbers from least to greatest:

Without using a calculator, order the following numbers from least to greatest:
A = 100^500
B = 200^400
C = 300^300 read more ..

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Guest Jan 3, 2021

381

three-digit positive integers

How many three-digit positive integers exist, all of whose digits are 2's and/or 5's and or 8's?

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Guest Jan 3, 2021

511

+55

A simpler solution ...

Is there a general way to solve problems like ? I tried solving this .. but i found it was too hard to find common denominators, find each term ... can somebody help with this?

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mobro Jan 3, 2021

Jan 2, 2021

341

I Would Really Like Help

Consider the arithmetic sequence in which a1=6 and a14=97.
a. Determine the rule for the sequence, and explain your reasoning.

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Guest Jan 2, 2021

271

counting problem

How many 3-letter words can we make from the letters A, B, C, and D, if we are allowed to repeat letters, and we must use the letter A at least once, and the letter B at least once?

Guest Jan 2, 2021

668

math problem

How many distinct positive integers can be represented as the difference of two numbers in the set {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}?

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Guest Jan 2, 2021

303

triangle

In triangle ABC, AB = 17, AC = 8, and BC = 20. Let D be the foot of the altitude from C to AB. Find the area of triangle ACD.

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Guest Jan 2, 2021

336

integer question

Given positive integers x and y such that x not equal to y and 1/x + 1/y = 1/20, what is the smallest possible value for x + y?

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Guest Jan 2, 2021

370

geometry

A rectangle is divided into four small rectangles as shown. The areas of three of the four small rectangles are labeled in the diagram. What is the area of the remaining small rectangle?

read more ..

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Guest Jan 2, 2021

397

Find all complex numbers z such that z^4 = -4 Note: All solutions should be expressed in the form a + bi, where a and b are real numbers.

Find all complex numbers z such that z^4 = -4
Note: All solutions should be expressed in the form a + bi, where a and b are real numbers.

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Guest Jan 2, 2021

565

HHHHHEEELLLLPPPPP

what do you want to do ?
Cam can't figure out what to eat. He is going to randomly select a piece of fruit from his pantry. There are 444 apples and 555 bananas in his pantry.
What is \text{P(select an apple})P(select an apple)start read more ..

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Guest Jan 2, 2021

420

digit question

Find the absolute value of the difference of single-digit integers A and B such that
35_6 + A_6 = B1_6
Express your answer in base 6.

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Guest Jan 2, 2021

549

prime date

On a "prime date," both the month and the day are prime numbers. For example, Feb. 7 or 2/7 is a prime date. How many prime dates occurred in 2020?

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Guest Jan 2, 2021

316

help algebra

How many different rational numbers between 1/1000 and 1000 can be written either as a power of 2 or as a power of 3 or as a power of 5, where the exponent is a (possibly negative) integer?

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Guest Jan 2, 2021

443

help pls

Compute the length of the segment tangent from the origin to the circle that passes through the points (3, 4), (6, 8), and (5, 13).

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Guest Jan 2, 2021

290

geometry problem

Suppose that we have a right triangle ABC with the right angle at B such that AC = sqrt(89) and AB = 5. A circle is drawn with its center on AB such that the circle is tangent to AC and BC. If P is the point where the circle and side AC meet, then what read more ..

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Guest Jan 2, 2021

262

number theory problem

How many of the numbers from the set {1, 2, 3, ..., 100} have a perfect square factor other than one?

Guest Jan 2, 2021

545

+12

Can anyone help? (please explain) I need it asap!

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Cryingcathuehue Jan 2, 2021

349

counting question

How many integers between 25 and 250 (inclusive) are not perfect cubes nor perfect squares?

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Guest Jan 2, 2021

316

I Need Help With this ASAP please help

Anna begins jogging at a steady 3 m/sec down the middle of lane one of a straight track. Elsa starts even with her in the center of lane two but moves at 5 m/sec. At the instant they begin, Olaf is located 45 meters down the track in lane four, and read more ..

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Guest Jan 2, 2021

All Questions ⁺⁰230450 Questions

Rewriting an equation

Golden rectangle in a triangle

probability

help with digits

counting

Without using a calculator, order the following numbers from least to greatest:

three-digit positive integers

A simpler solution ...

I Would Really Like Help

counting problem

math problem

triangle

integer question

geometry

Find all complex numbers z such that z^4 = -4 Note: All solutions should be expressed in the form a + bi, where a and b are real numbers.

HHHHHEEELLLLPPPPP

digit question

prime date

help algebra

help pls

geometry problem

number theory problem

Can anyone help? (please explain) I need it asap!

counting question

I Need Help With this ASAP please help

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