All Questions

428

+29

Probability Question!

Two cards are drawn at random from a standard deck of 52 cards. What is the probability that they have the same rank?

thx in advance :)

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available May 28, 2021

429

Help

Help im confuseed.
read more ..

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Guest May 28, 2021

286

Number Theory

Suppose that x is an integer that satisfies the following congruences
3 + x = 2^2 (mod 3^3)
5 + x = 3^2 (mod 5^3)
7 + x = 4^2 (mod 7^3) read more ..

Guest May 28, 2021

400

Sequences and Series Problem

The Fibonacci numbers form an increasing arithmetic sequence. If a+b+c = 2000, compute a.

Thanks if you answer, this will help a lot! :)

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Guest May 28, 2021

485

Give me some differences between fractions and percents and how are they the same. (just like as if its a venn diagram)

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Guest May 28, 2021

426

Domain

Suppose a function f(x) is defined on the domain [-8,4] . If we define a new function g(x) by g(x) = f(2x + 1), then what is the domain of g(x)? Express your answer in interval notation.

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Guest May 28, 2021

392

Geometry

Lines l and k are parallel to each other. Angle A = 120 degres. What is the number of degrees in angle B?

read more ..

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Guest May 28, 2021

493

Asap

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

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Guest May 28, 2021

438

base numbers

If AAA_4 can be expressed as 33_b, where A is a digit in base 4 and b is a base greater than 5, what is the largest possible sum A+b?

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Guest May 28, 2021

471

Help me heureka

Dieter had 3 times as many flags in her collection as Andrew. When Dieter gave 8 flags to Andrew, each of them had exactly the same amount. How many flags did they have altogether?

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Guest May 28, 2021

408

Word problem

Ramesh has 1/3 as many 2 dollar bills as 5 dollar bills. The total value of the 2 dollar and 5 dollar bills that Ramesh has is $136. How many 5 dollar bills does Ramesh have?

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Guest May 28, 2021

845

Olivia uses 7.9 pints of blue paint and white paint to paint her bedroom walls.

Olivia uses 7.9 pints of blue paint and white paint to paint her bedroom walls.
4
—
5
of this amount is blue paint, and the rest is white paint. How read more ..

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Guest May 28, 2021

508

+103

Eating Out

Bill, Jill, and Phil each ordered a Super Tasty Burger from Burger Grill. Each burger was made with 1/4 pound of ground beef.

How much ground beef was used to make the three burgers?

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Robtlukas May 28, 2021

486

Ratio problem

The ratio of the number of magnets Aspilla and Barry had was 2 : 3. When Aspilla bought 4 more magnets and Barry bought 13 more magnets, the ratio became 1 : 2. Find the number of magnets Barry had in the end.

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Guest May 28, 2021

597

+89

Help Please!

The numbers 1 through 14 (inclusive) are written on the chalkboard. Ms. Q. took the product of 13 of the 14 numbers. How many different products could she get?

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tmatthews May 28, 2021

457

Answer it there theeblackbadger

https://web2.0calc.com/questions/fractions_48722

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Guest May 28, 2021

402

trig

In triangle ABC, cos B = 3/5 and angle A is 90 degrees. What is cos (C + A)?

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Guest May 28, 2021

519

+89

Counting Question

How many distinct triangles can be drawn by using three of the seven dots below? (Two triangles are considered different if they don’t share the same three vertices.)
Should I just do 7 times 6 times 5?
read more ..

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tmatthews May 28, 2021

530

+89

I dunno if I'm overthinking this triangle.

Find the area of the triangle below.
Isn't a triangle's area just supposed to BH/2. I dunno if I'm overthinking this or not so I just wanted to hear what y'all think?

read more ..

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tmatthews May 28, 2021

488

+103

mathematics

Darius has 8 times as many erasers as Ryan. If Ryan had 42 more erasers, the two boys would have exactly the same amount. How many erasers does Darius have?

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Robtlukas May 28, 2021

702

+89

Please help! Probability

A standard American deck of cards contains 52 cards in four “suits”:
♣ clubs ♦ diamonds ♥ hearts ♠ spades
Each card also has a “rank”. There are 13 ranks: 2, 3, 4, 5, 6, 7, 8, 9, 10, J (jack), Q (queen), K (king), A (ace). Every suit-rank read more ..

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tmatthews May 28, 2021

448

N***o

Deez has 7 times as many marbles as kut. If Deez gives 12 marbles to kut, the two children will have exactly the same amount. How many marbles do they have altogether?

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Guest May 28, 2021

432

Algebra

Find the sum of the squares of the solutions of x^2 - 13x + 4 = -11x + 7.

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Guest May 28, 2021

452

A worker arranged potted flowers on a platform. The platform was 12 feet long and 7 feet wide.

A worker arranged potted flowers on a platform. The platform was 12 feet long and 7 feet wide.

The worker covered 1/2 of the platform with zinnias. 1/4 with daisies, and the rest with geraniums. What was the area taken up by each type of flower? read more ..

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Guest May 28, 2021

509

Math

A customer wants to buy 60 flowering plants. He wants 1/2 of them to be marigolds. He wants 1/3 of them to be pansies, and 1/4 of them to be petunias.
How many of each type of flowering plant will he buy?

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Guest May 28, 2021

All Questions ⁺⁰237665 Questions

Probability Question!

Help

Number Theory

Sequences and Series Problem

Give me some differences between fractions and percents and how are they the same. (just like as if its a venn diagram)

Domain

Geometry

Asap

base numbers

Help me heureka

Word problem

Olivia uses 7.9 pints of blue paint and white paint to paint her bedroom walls.

Eating Out

Ratio problem

Help Please!

Answer it there theeblackbadger

trig

Counting Question

I dunno if I'm overthinking this triangle.

mathematics

Please help! Probability

N***o

Algebra

A worker arranged potted flowers on a platform. The platform was 12 feet long and 7 feet wide.

Math

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