All Questions

940

+51

pls help me

10 people attend a party. During the party everyone shakes hands with everyone else. How many handshakes take place at the party?

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blobfishesarecool Sep 20, 2020

622

please help

I need to find angle j.

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Guest Sep 20, 2020

427

inverse proportion

The value of $y$ varies inversely as $\sqrt x$ and when $x=24$, $y=15$. What is $x$ when $y=3$?

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Guest Sep 20, 2020

785

+1443

PLEASE HELP!!

The line with equation y = mx + b is perpendicular to the line with equation y = 16 - x/3. The value of m is?

a) -3
read more ..

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SmartMathMan Sep 20, 2020

540

need help

Find the length EF.

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Guest Sep 20, 2020

711

algebra

A dairy needs 244 gallons of milk containing 7% butterfat. How many gallons each of milk containing 9% butterfat and milk containing 1% butterfat must be used to obtain the desired 244 gallons?

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Guest Sep 20, 2020

1004

need help now

In 4 years, Harry’s age will be the same as Jim’s age is now. In 2 years, Jim will be twice as old as Harry will be. Find their ages now.

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Guest Sep 20, 2020

407

please help

Knowing that 6 < x < 7 and 10 < y < 12 find all possible values y−x

Guest Sep 20, 2020

782

please help

Miss Minerva challenges her class to guess her secret positive integer. She gives them these clues:
1) The sum of the digits of this three-digit number is 14.
2) The tens digit is the cube of a prime number.
3) The units digit is one-fifth of the read more ..

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Guest Sep 20, 2020

792

A two-digit integer AB equals 1/9 of AAB, where A and B represent distinct digits from 1 to 9. What is the smallest possible value of AAB

A two-digit integer AB equals 1/9 of AAB, where A and B represent distinct digits from 1 to 9. What is the smallest possible value of AAB?

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Guest Sep 20, 2020

1090

geometry question

C is the midpoint of AB, D is the midpoint of AC, E is the midpoint of AD, F is the midpoint of ED, G is the midpoint of EF, and H is the midpoint of DB. If DC = 16, what is GH?

I have the graph already, as shown in the pic (sorry read more ..

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Guest Sep 20, 2020

600

please help!

If the total surface area of cone is 704cm^2 and radius of its base is 7cm ,find the volume of cone

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Guest Sep 20, 2020

651

TAREA

Una persona se desplaza 500 metros hacia el norte, posteriormente cambia de dirección y ahora se desplaza 800 metros hacia el este. Determine el desplazamiento resultante, así como el ángulo la inclinación de la read more ..

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Guest Sep 20, 2020

398

help with proof

Prove that if x and y are real numbers such that x < y, then x < (x + y)/2 < y.

Guest Sep 20, 2020

Sep 19, 2020

553

geometry question

Help me find the value of x!

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Guest Sep 19, 2020

553

help please

Find the value of x.

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Guest Sep 19, 2020

592

+11

help

The distance between the points (x, 21) and (4, 7) is 10√2. Find the sum of all possible values of x.

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asadafa Sep 19, 2020

841

+51

ALCUMUSSS

Marius is entering a wildlife photo contest, and wishes to arrange his seven snow leopards of different heights in a row. If the shortest two leopards have inferiority complexes and demand to be placed at the ends of the row, how many ways can he line up read more ..

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blobfishesarecool Sep 19, 2020

585

+51

HELPPPPP MEEE

Determine the number of ways to arrange the letters of the word PROOF.

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blobfishesarecool Sep 19, 2020

889

+51

PLS HELP

Five socks, colored blue, brown, black, red, and purple are in a drawer. In how many different ways can we choose three socks from the drawer if the order of the socks does not matter?

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blobfishesarecool Sep 19, 2020

420

word problem

Thomas has $6.35 in dimes and quarters. The number of dimes is three more than three times the number of quarters. How many coins of each type are there?

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Guest Sep 19, 2020

1395

If shown, AB and CD are straight lines. Find x in each case.

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Guest Sep 19, 2020

566

geometry

Find angle ABC.

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Guest Sep 19, 2020

557

parallel lines

Find the value of x.

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Guest Sep 19, 2020

489

word problem

a pharmacist wants to mix two solutions to obtain 350 cc of a solution that has a 14% concentration of a certain medicine. if one solution has a 17% concentration of the medicine and the second has a 7% concentration, how much of each solution should she read more ..

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Guest Sep 19, 2020

All Questions ⁺⁰238122 Questions

pls help me

please help

inverse proportion

PLEASE HELP!!

need help

algebra

need help now

please help

please help

A two-digit integer AB equals 1/9 of AAB, where A and B represent distinct digits from 1 to 9. What is the smallest possible value of AAB

geometry question

please help!

TAREA

help with proof

geometry question

help please

help

ALCUMUSSS

HELPPPPP MEEE

PLS HELP

word problem

If shown, AB and CD are straight lines. Find x in each case.

geometry

parallel lines

word problem

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