All Questions

422

hard problem

Place distinct digits from 1 to 9 in the boxes so that the sums of 3 digits along any of the 4 colored lines are all equal.
What is the maximum possible sum that can be achieved?

read more ..

Guest Jun 20, 2020

Jun 19, 2020

-4

728

+12

Math help

8. Lilly paid $19.16 for a 1kg apple basket. This amount includes a tax of 3%. What was the cost of the apple before tax?

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DeluxeVegan Jun 19, 2020

-1

700

+866

some inverse functions help... kinda

Let $f$ be defined by Calculate .

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AnimalMaster Jun 19, 2020

614

help

FInd all k for which x^2 + 5kx + k^2 + 5 is divisible by x + 2, but not by x + 3.

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Guest Jun 19, 2020

1037

+133

Probability Question help pls !!!!!

Let . Three subsets A, B, C of S are chosen at random.

(a) Find the probablity that
read more ..

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SpicyP Jun 19, 2020

525

help

Andrew and Betsy have some nickels (5 cents) and quarters (25 cents). Betsy has exactly 45 cents. Andrew has half as many nickels and twice as many quarters as Betsy has. How much money does Andrew have?

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Guest Jun 19, 2020

519

please help

A white square is inscribed in a blue circle, which is inscribed in a larger orange square.
Which area is larger, orange or blue?

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Guest Jun 19, 2020

617

+866

Quick follow-up question from earlier

For complex numbers z, let Find f(i)+f(1)+f(-1)+f(-i).

Edit: nvm I figured it out, the answer was 2: read more ..

AnimalMaster Jun 19, 2020

479

help

Let and let be the projection of onto the plane 2x + 3y + z = 0. What is

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Guest Jun 19, 2020

642

i don't get this

The sum of the ages of Anna, Bernard and Carl is 32 years. Bernard is 4 years older than Anna, and Carl is 6 years older than Bernard. What is Anna age?

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Guest Jun 19, 2020

482

help

My cat is standing on the plane Its head is at and the tip of its tail is at Measured from the plane, what is the difference between the height of my cat's head and my cat's tail?

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Guest Jun 19, 2020

-1

681

HELP ASAP PLS

Find the discriminant of the quadratic .
Find all the solutions to

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justatadbitinsane Jun 19, 2020

553

can anyone help

Alvin pays for 4 brownies and 3 cookies. Milly spends twice as much paying for 2 brownies and 16 cookies. A brownie is how many times as expensive as a cookie?

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Guest Jun 19, 2020

631

+866

i kinda need some help on this

For all complex numbers z, let Find f(f(f(f(1+i)))).

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AnimalMaster Jun 19, 2020

454

help

As shown above, ABCD is a rhombus, whose major diagonal is twice the length of its minor one, and the blue BEDF is a rectangle with an area of 24 What is the area of the yellow region?

read more ..

Guest Jun 19, 2020

600

+66

Which pH result is correct? What am I doing wrong? Please explain.

Hello, I've been struggling with this exercise because I don't know which pH result is correct.

I was given:
Calculate pH read more ..

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chaconsara32 Jun 19, 2020

448

help please!

If $f(x)=x^3+3x^2+3x+1$, find $f(f^{-1}(2010))$.

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Guest Jun 19, 2020

431

algebra

Simplify

Guest Jun 19, 2020

700

Help me with translation please

I need help with the first four

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Guest Jun 19, 2020

-1

611

+866

help

Let,

If $f(2)=5$, $f(0)=5$, and $f(-2)=-10$, and $a$, $b$, and $c$ are nonnegative integers, then what is $a+b+c$? read more ..

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AnimalMaster Jun 19, 2020

470

help

The number of terms of an arithmetic progression is even.
The sum of all the odd terms and even terms of this progression are 24 and 30, respectively.
The last term exceeds the first term by 10.5
Find the total number of read more ..

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Guest Jun 19, 2020

666

Cyclic Quadrilateral (!! No answers, only help !!)

I'm only looking for help and not answers-- thanks!
The side lengths of a cyclic quadrilateral ABCD are provided in the diagram. Find BD^2.
The picture is here as I can't upload it for some reason: https://cutt.ly/auSLG9T
How read more ..

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Guest Jun 19, 2020

-1

604

Help with translation

file:///C:/Users/User/Downloads/5142a62eb656bdffba3764db389e7546.pdf

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Guest Jun 19, 2020

462

Help with problem ASAP!

Fred the ant is on the real number line, and Fred is trying to get to the point 0.
If Fred is at 1 then on the next step, Fred moves to either 0 or 2 with equal probability. If Fred is at 2 then on the next step, Fred always moves to 1
Let be read more ..

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Guest Jun 19, 2020

456

please help

Let a be the arithmetic mean of b and c. Furthermore, let g_1 and g_2 be two numbers such that b, g_1, g_2, c forms a geometric sequence What is the value of g_1^3 + g_2^3?

Guest Jun 19, 2020

All Questions ⁺⁰237808 Questions

hard problem

Math help

some inverse functions help... kinda

help

Probability Question help pls !!!!!

help

please help

Quick follow-up question from earlier

help

i don't get this

help

HELP ASAP PLS

can anyone help

i kinda need some help on this

help

Which pH result is correct? What am I doing wrong? Please explain.

help please!

algebra

Help me with translation please

help

help

Cyclic Quadrilateral (!! No answers, only help !!)

Help with translation

Help with problem ASAP!

please help

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