All Questions

0

1364

3

help help quick quick

Given positive integers x and y such that 2x^2*y^3+4y^3=149+3x^2, what is the value of x+y?

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Guest Jul 12, 2019

0

894

1

Help please

What real values of x are not in the domain of ?

Rom ●

Guest Jul 12, 2019

0

840

1

Help please

For the graph of a certain quadratic y = ax^2 + bx + c, the vertex of the parabola is (3,7) and one of the x-intercepts is (-2,0). What is the x-coordinate of the other x-intercept?

heureka ●

Guest Jul 12, 2019

0

2294

6

1. Let x, y, and z be real numbers such that Find the maximum value of x + y + z.

1. Let x, y, and z be real numbers such that Find the maximum value of x + y + z.

2. Let a, b, c, d be positive real numbers such that a + b + c + d = 1. Find the minimum value of
read more ..

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Guest Jul 12, 2019

0

1000

3

big time help pls

Anna, Bertram, Carli, and David have a competition to see which of them can hold their breath for the longest time period, in minutes. If Bertram, Carli, and David add their times together, the resulting sum is three times the length of time that Anna can read more ..

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Guest Jul 12, 2019

0

967

8

+41

Parallelogram Problem

The diagonals of a parallelogram intersect at a 45 degree angle. If the diagonal lengths are 8 cm and 10 cm, what is the area of the parallelogram. Would appreciate an answer without trig.

Thanks

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DungeyDabs Jul 12, 2019

0

973

5

help needed

If each of the variables a,b,c and d represent a different digit, and the NUMBERS(NOT multiplication of variables) abc+dca is equal to 1000, what is a+b+c+d?

off-topic

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Guest Jul 11, 2019

0

1998

1

Find the angular size of a circular object with a 4-inch diameter viewed from a distance of 5 yards.

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Guest Jul 11, 2019

0

636

1

Halp!

The lines $-2x + y = k$ and $0.5x + y = 14$ intersect when $x = -8.4$. What is the value of $k$?

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Guest Jul 11, 2019

0

1898

7

help plsss

An Internet service provider allows a certain number of free hours each month and then charges for each additional hour used. Wells, Ted, and Vino each have separate accounts. This month the total hours used by Wells and Ted was 105, and each used all of read more ..

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Guest Jul 11, 2019

-3

982

4

send help please thank you

An Internet service provider allows a certain number of free hours each month and then charges for each additional hour used. Wells, Ted, and Vino each have separate accounts. This month the total hours used by Wells and Ted was 105, and each used all of read more ..

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Guest Jul 11, 2019

+1

1020

10

+1713

Extremely confusing problem- show all you work and leave it in a expression plsssss

First row: 1
Second row: 2 , 3
Third Row: 4 , 5 , 6
Fourth row: 7 , 8 , 9 , 10 read more ..

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tommarvoloriddle Jul 11, 2019

0

1054

11

I need help badly! DUE SOON

Thea has a key on her calculator marked $\textcolor{blue}{\bf\circledast}$. If an integer is displayed, pressing the $\textcolor{blue}{\bf\circledast}$ key chops off the first digit and moves it to the end. For example, if $6138$ is on the screen, then read more ..

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Guest Jul 11, 2019

0

1031

2

What is the intersection of the lines given by $2y=-x+3$ and $-y=5x+1$?

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Guest Jul 10, 2019

0

781

2

helP!!!

Line $j$ is perpendicular to $\frac{y}{3}+\frac{2x}{5}=2$. What is the slope of line $j$?

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Guest Jul 10, 2019

+1

1005

4

+95

PLz HaLP :)

The graph of \[\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1\]has its foci at $(0,\pm 4),$ while the graph of \[\frac{x^2}{a^2}-\frac{y^2}{b^2} = 1\]has its foci at $(\pm 6,0).$ Compute the value of $|ab|.$

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Pushy Jul 10, 2019

0

1203

8

PLEASE HELP

The cost of renting a bus for a field trip was divided evenly among 20 students. At the last minute, 10 more students joined the trip. The cost of renting the bus was then redistributed and evenly split among all of the students. The cost for each of the read more ..

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Guest Jul 10, 2019

+1

1914

3

Find $t$ such that $(t,5)$ lies on the line through $(0,3)$ and $(-8,0)$

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Guest Jul 10, 2019

0

1449

5

PLEASE HELP ME FIGURE THIS OUT!!!!!

Maya has $15 to spend. She spent $5.50, including tax, to buy a notebook. She needs to save $7.75, but she wants to buy a snack. If cookies cost $0.25 per package including tax, what inequality would show the maximum number of packages that Maya can buy? read more ..

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Guest Jul 10, 2019

+1

1613

3

plz help

Zuleica's mother Wilma picks her up at the train station when she comes home from school, then Wilma drives Zuleica home. They always return home at 5:00 p.m. One day Zuleica left school early and got to the train station an hour early. She then started read more ..

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Guest Jul 10, 2019

0

2830

3

Help..

For what value of $k$ are the lines $2x + 3y = 4k$ and $x - 2ky = 7$ parallel? Express your answer as a common fraction.

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Guest Jul 10, 2019

0

1518

8

How to make account?

I want to make an account, but after I do register and fill out the stuff, it says server error. What should I do?

off-topic

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Guest Jul 10, 2019

0

1581

1

I need help!!!!!

An equilateral triangle has all three of its vertices on the parabola $y=x^2-8+5$. One vertex of the triangle is on the vertex of the parabola, and the opposite side lies along the line $y=k$. What is the value of $k$?

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Guest Jul 10, 2019

+2

940

2

+75

Help!

If B=3 what is the value of (B+7)(B^2-10)?
Thank you!

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Sincerelyrose Jul 10, 2019

All Questions ⁺⁰237769 Questions

help help quick quick

Help please

Help please

1. Let x, y, and z be real numbers such that Find the maximum value of x + y + z.

big time help pls

Parallelogram Problem

help needed

Find the angular size of a circular object with a 4-inch diameter viewed from a distance of 5 yards.

Halp!

help plsss

send help please thank you

Extremely confusing problem- show all you work and leave it in a expression plsssss

I need help badly! DUE SOON

What is the intersection of the lines given by $2y=-x+3$ and $-y=5x+1$?

helP!!!

PLz HaLP :)

PLEASE HELP

Find $t$ such that $(t,5)$ lies on the line through $(0,3)$ and $(-8,0)$

PLEASE HELP ME FIGURE THIS OUT!!!!!

plz help

Help..

How to make account?

I need help!!!!!

Help!

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