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519

HELP PLZ- URGENT

Mario and Luigi had a 5-day shopping spree. Here's how they spent their money:
Mario:
Mario spent $3 on the first day.
Mario spent half his remaining money on the second day.
Mario spent $3 on the third day. <#> Mario read more ..

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Guest Jun 5, 2020

543

The measure of angle θ to the nearest degree for cosθ=5/12

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Guest Jun 5, 2020

528

+79

Help with Mathcounts

how many 7 digit phone number have their digits in non-increasing order? That is, every digit is either lower in value or equal in value to the previous digit.

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violetzhang07 Jun 5, 2020

372

please help

Given a triangle ABC, consider the bisector of ∡A which intersects BC at the point D.

If CD+AC=12 cm and CD=BC/3, What is the perimeter of the triangle (in cm)?
read more ..

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Guest Jun 5, 2020

718

+44

Prove that if w, z are complex numbers such that |w|=|z|=1 and wz is not equal to -1, then (w+z)/(1+wz) is a real number.

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qwerasdfzxcv1 Jun 5, 2020

1440

A quadrilateral has vertices at (0,1) (3,4) (4,3) and (3,0) . Its perimeter can be expressed in the form a sqrt (2)+ b sqrt(10) with a

A quadrilateral has vertices at (0,1) (3,4) (4,3) and (3,0) . Its perimeter can be expressed in the form a sqrt (2)+ b sqrt(10) with a and b integers. What is the sum of a and b ?

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Guest Jun 5, 2020

1049

+280

Please help:(

Drag a value into each box to correctly express the quotient in polar form.

I know when doing this, I have to subtract the radians in the parenthesis and I got 11pi/12.
But read more ..

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auxiarc Jun 5, 2020

399

geometry

The diagram shows a triangle (in blue) with side lengths 3-4-5, that has both a circumscribed circle (in green) and a circle inscribed (in red) inside of it. Find the ratio of areas between the larger circle versus the smaller circle.
read more ..

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Guest Jun 5, 2020

733

Please Help

In triangle PQR, PQ = 13, QR = 14, and PR = 15. Let M be the midpoint line QR. Find PM.

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Guest Jun 5, 2020

729

+107

Prove this Geometry Problem

Not sure why they are equal, please help :)
thanks in advance read more ..

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NoWorkNeeded Jun 5, 2020

Jun 4, 2020

-1

817

+865

need some help with this D:

An investment of $10,000 is made in a government bond that will pay 6% interest compounded annually. At the end of five years, what is the total number of dollars in this investment? Express your answer to the nearest whole number.

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AnimalMaster Jun 4, 2020

538

this is very confuzzling

The system of equations
has exactly one solution. What is in this solution?

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Guest Jun 4, 2020

739

+133

Factoring Problem help pls :)

Factor

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SpicyP Jun 4, 2020

379

help

Find the smallest positive integer where the product of the digits is equal to 2000.

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Guest Jun 4, 2020

420

i need help

Jillian has $2000 in credit card debt. Every month, she pays $200 to the credit card company at the beginning of the month, the credit card company applies a 2% monthly interest rate to the balance at the end of the month, and her balance is always rounded read more ..

Guest Jun 4, 2020

565

help

A chocolate drink is 6% pure chocolate, by volume. If 10 litres of pure milk are added to 50 litres of this drink, the percent of chocolate in the new drink is equal to what?

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Guest Jun 4, 2020

805

+865

If 12^2 * 18^3 = 2^x * 3^y, find x+y.

If find x+y.

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AnimalMaster Jun 4, 2020

1655

+280

The initial point of vector a is (−5,1), and its terminal point is (−1,−3).

The initial point of vector a is (−5,1), and its terminal point is (−1,−3).
What is the value of ||vector a||?
Enter your answer, as a simplified radical, in the box.
<read more ..

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auxiarc Jun 4, 2020

-2

853

help now! urgent

A certain polygon has three angles that measure 120 degrees and the rest of its angles measure 150 degrees. How many sides does the polygon have?

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Guest Jun 4, 2020

507

help

In an election for class president, 61 votes are cast by students who are voting to choose one of four candidates. Each student must vote for only one candidate. The candidate with the highest number of votes is the winner. What is the smallest number read more ..

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Guest Jun 4, 2020

549

kkk

2ab^3 x 5a^3b^2

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Guest Jun 4, 2020

515

urgent!!!helppppp

Alice and Bob each have a certain amount of money. If Alice receives n dollars from Bob, then she will have 4 times as much money as Bob. If, on the other hand, she gives n dollars to Bob, then she will have 3 times as much money as Bob. If neither gives read more ..

off-topic

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Guest Jun 4, 2020

All Questions ⁺⁰234931 Questions

HELP PLZ- URGENT

The measure of angle θ to the nearest degree for cosθ=5/12

Help with Mathcounts

please help

Prove that if w, z are complex numbers such that |w|=|z|=1 and wz is not equal to -1, then (w+z)/(1+wz) is a real number.

A quadrilateral has vertices at (0,1) (3,4) (4,3) and (3,0) . Its perimeter can be expressed in the form a sqrt (2)+ b sqrt(10) with a

Please help:(

geometry

Please Help

Prove this Geometry Problem

need some help with this D:

this is very confuzzling

Factoring Problem help pls :)

help

i need help

help

If 12^2 * 18^3 = 2^x * 3^y, find x+y.

The initial point of vector a is (−5,1), and its terminal point is (−1,−3).

help now! urgent

help

kkk

urgent!!!helppppp

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