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1509

pls help quick

A street has 50 houses on each side, for a total of 100 houses. The addresses on the south side of the street form an arithmetic sequence, as do the addresses on the north side of the street. On the south side, the addresses are 1, 5, 9, etc., and on the read more ..

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Guest Jan 8, 2020

746

help

A rectangle has a perimeter of 32 and an area of 56. Find the length of its diagonal.

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Guest Jan 8, 2020

769

help

A bag contains only red and blue marbles. Yasmine takes one marble at random from the bag. The probability that she takes a red marble is 1 in 5. Yasmine returns the marble to the bag and adds ﬁve more red marbles to the bag. The probability that she takes read more ..

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Guest Jan 8, 2020

Jan 7, 2020

1313

help please

Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, and a white ribbon for learning how to stay. There are dogs in the school.
73 have blue ribbons, 39 have green ribbons, read more ..

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Guest Jan 7, 2020

557

help

Circle O is centered at the origin with point P = (3,4) lying on it. The red line 3x + 4y - 7 = 0 intersects the circle at A and B. What is the area of quadrilateral AOBP?

read more ..

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Guest Jan 7, 2020

451

help

A trapezium is inscribed in the parabola y^2=4ax such that its diagonal pass through the point (1,0) and each has length 25/4. Find the area of trapezium.

Guest Jan 7, 2020

622

help

Suppose each diagonal of a rectangle is of length 17 while the area is 120. Find the perimeter of the rectangle.

ElectricPavlov ●

Guest Jan 7, 2020

834

basic geometry homework

In the diagram below, PQ is a diameter of the circle. Find angle XYZ in degrees.

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Guest Jan 7, 2020

585

help

If 3^(x + 1) = 4, then find 3^(2x - 1).

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Guest Jan 7, 2020

705

Problem 2.49

A helicopter is ascending vertically with a speed of 5.56 m/sm/s . At a height of 108 mm above the Earth, a package is dropped from the helicopter. How much time does it take for the package to reach the ground? [Hint: What is v0 read more ..

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Guest Jan 7, 2020

1041

+1490

Simple Geometry

Equilateral triangle ABC is inscribed in a circle. Point P lies on this circle (circumference), and PB = 8. If AB = 7 and PA < PC, find the ordered pair PA and PC.
( I'm reposting someone's question because I believe it read more ..

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Dragan Jan 7, 2020

604

help

In binary, what is 11001 + 1011? (Give the answer in binary.)

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Guest Jan 7, 2020

555

help

In a 100 meter race, Allen and Bruce reached the finish line in 12 seconds and 15 seconds, respectively. When Allen finished the race, how far was Bruce from the finish line? Assume that they each move at a constant rate.

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Guest Jan 7, 2020

871

+39

Teacher´s question

Teacher asked me some time ago if there´s a way for this:
I have this: 500000000000000000000
how can I express this in a form of power of a number (something to power of something)? Note that I don´t want to get the exact result, I want read more ..

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MathKing Jan 7, 2020

457

Mon chaton

►666

Guest Jan 7, 2020

438

help

Two sets of the CAT paper are to be given to twelve students. In how many ways can the students be placed in two rows of six so that there should be no identical sets side by side and that the students sitting one behind the other should have the same sets read more ..

Guest Jan 7, 2020

601

help :(

a) One day, Ada is bored, so she writes down all the numbers from 1 to 999, inclusive. How many digits did Ada write, in total?

b) If she chooses one of these digits at random, what is the probability that it is a 7? read more ..

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Guest Jan 7, 2020

773

counting problem, help

2 different questions: a) Violet has six beads that she wants to assemble into a bracelet. Two of the beads have the same color, and the rest have different colors. How many different ways can Violet assemble her bracelet? (Two bracelets are considered read more ..

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Guest Jan 7, 2020

678

Please include the questions and answers (Using the link, answer the questions that follow. Note that links open up a new browser window.)

https://www.pbs.org/video/frontline-the-real-csi/

Pease helpppp!ASAP!!!! I only have today to finsh this only correct answers please
<read more ..

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Guest Jan 7, 2020

626

help

Let a and b be the roots of x^2 - 34x + 34 = 0. What is (a + 1)(b + 1)?

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Guest Jan 7, 2020

512

Help with inverse functions!

Suppose that f is a function and is the inverse of f. If f(1)=2, f(2)=6, and f(3)=5, then what is ?

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Guest Jan 7, 2020

483

help

5 dice will be thrown one by one, then the product of the 5 numbers will be counted. Which will be higher, the product probability of 180 or the product probability of 144?

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Guest Jan 7, 2020

796

help

What are the last three digits of 7^{2020}?

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Guest Jan 7, 2020

615

help

It was made a serie of stick's triangles following the sequence in the figure. One of these triangles was built with 135 sticks. How many sticks form the side of this triangle?

read more ..

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Guest Jan 7, 2020

671

egyptian fractions

can all fractions with a numerator of two be written as the sum of two different unitary fractions with mathematical proof

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Guest Jan 7, 2020

All Questions ⁺⁰238211 Questions

pls help quick

help

help

help please

help

help

help

basic geometry homework

help

Problem 2.49

Simple Geometry

help

help

Teacher´s question

Mon chaton

help

help :(

counting problem, help

Please include the questions and answers (Using the link, answer the questions that follow. Note that links open up a new browser window.)

help

Help with inverse functions!

help

help

help

egyptian fractions

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