All Questions

461

+502

clever algebraic manipulations

Suppose that for some $a,b,c$ we have $a+b+c = 6$, $ab+ac+bc = 5$ and $abc = -12$. What is $a^3+b^3+c^3$?

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ellapow Mar 19, 2021

482

+502

clever algebraic manipulations

Real numbers x and y satisfy the equation $x^2 + y^2 = 10x - 6y - 34$. What is $x+y$?

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ellapow Mar 19, 2021

564

You have 6 reindeer, Prancer, Rudy, Balthazar, Quentin, Jebediah, and Lancer, and you want to have 3 fly your sleigh. You always have your

You have 6 reindeer, Prancer, Rudy, Balthazar, Quentin, Jebediah, and Lancer, and you want to have 3 fly your sleigh. You always have your reindeer fly in a single-file line.

Guest Mar 19, 2021

559

+230

help me pls - clever algebraic manipulations

If $3a + b + c = -3, a+3b+c = 9, a+b+3c = 19$, then find $abc$.

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wizzymath Mar 19, 2021

446

+43

can u please help me

Determine whether u and v are equivalent. Explain.
Determine the magnitude and slope of each vector.

far987 Mar 19, 2021

-1

519

Help!

I have a hat that contains six nickels and five pennies. I draw coins from the hat at random, without replacement. Find the probability that after drawing four coins, I have removed at most two pennies from the hat.

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Guest Mar 19, 2021

416

geometry

The Davis family is going to reseed the grass in the backyard. Their yard is irregularly shaped with a cement patio and rectangular garden as shown below.Given that the family will not need grass seed for the patio or the garden areas, what is the total read more ..

Guest Mar 19, 2021

354

parabola

if a parabola has its vertex at (3,-5) and one of its x-intercepts at x=8, what is the other x-intercept?

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Guest Mar 19, 2021

546

+502

Clever Algebraic Manipulations

Let $x, y, z$ be real numbers so that
\begin{align*}
y+z & = 13, \\
z+x & = 14, \\
x+y & = 15.
\end{align*}
Find $\sqrt{xyz(x+y+z)}$.

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ellapow Mar 19, 2021

334

parabola

For the parabola below, state the a) vertex b) direction of opening c) axis of symmetry d) x-intercept e) y-intercept

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Guest Mar 19, 2021

321

PLSSSS

[3^9:(3^2. 3)^3]^100

Guest Mar 19, 2021

780

Find angle P in the Parallelogram LMNP

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Guest Mar 19, 2021

596

+614

z score

In a normally distributed set of scores, the mean is 74 and the standard deviation is 1.5. What is the probability that a randomly selected score is between 72.5 and 77? Answer should be written as a percent. Do not round.

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xxJenny1213xx Mar 19, 2021

505

Pythagorean theorem

Find the value of x to the nearest tenth.

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Guest Mar 19, 2021

587

+505

Help pls

Find the constant k so that for all positive real numbers x and y with

I'm unsure how to start this off. I tried turning it into exponential form but it made no sense. I think I might have to try the Change of Base formula. read more ..

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MobiusLoops Mar 19, 2021

528

math

enny has $75 to buy tickets to the state fair for her family. She will buy an equal number of child and adult tickets.

TicketCost ($)
Child5.00 read more ..

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Guest Mar 19, 2021

681

+84

Slove for X and Y Please.

y=3x+10
3x+2y=16
(Type a ordered pair)

hectictar ●

dadevb124 Mar 19, 2021

585

+614

probability question

At a Halloween party, you play a dart game where you win teeth based on where your dart throw lands. The probability of hitting the outer ring is 8% and you win 5 teeth. The probability of hitting the yellow ring is 26% and you win 6 teeth. The probability read more ..

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xxJenny1213xx Mar 19, 2021

372

volume

Find the volume of the composite solid.

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Guest Mar 19, 2021

517

+46

A person rides a bike against the wind at 8mph

A person rides a bike against the wind at 8mph when he goes back the wind helps him. he traveld 4 miles total 2 to the shop and 2 back. If the round trip was 20 minutes longwhat is thomas's speed on the bike without the wind.

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indianguy Mar 19, 2021

520

easy

Solve 10≥s2.5

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Guest Mar 19, 2021

336

easy

find the divisor 414.17divided by 41.417

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Guest Mar 19, 2021

530

Need Urgent help with this question!

A baseball is hit with an initial vertical velocity of 121 feet per second and struck 1 foot above the ground. Let h = be the height in feet and t = time in seconds.
Equation: h(t)= -16t^2+121t+1

a. How high is the ball after read more ..

MikeysRoom Mar 19, 2021

All Questions ⁺⁰238122 Questions

clever algebraic manipulations

clever algebraic manipulations

You have 6 reindeer, Prancer, Rudy, Balthazar, Quentin, Jebediah, and Lancer, and you want to have 3 fly your sleigh. You always have your

help me pls - clever algebraic manipulations

can u please help me

Help!

geometry

parabola

Clever Algebraic Manipulations

parabola

PLSSSS

Find angle P in the Parallelogram LMNP

z score

Pythagorean theorem

Help pls

math

Slove for X and Y Please.

probability question

volume

A person rides a bike against the wind at 8mph

easy

easy

Need Urgent help with this question!

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