All Questions

357

Suppose r and s are the values of x

Suppose r and s are the values of x that satisfy the equation x^2 - 2mx + (m^2 + 2m + 2) = 0
for some real number m. Find the minimum real value of r^2 + s^2.

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Guest Nov 2, 2020

444

idk

what is the number in 234 and 312

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Guest Nov 2, 2020

631

+177

May u please halp.

Two sequences and are defined as follows:

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TheGreatestOofman Nov 2, 2020

504

statistics

Suppose you just received a shipment of televisions. of the televisions are defective. If two televisions are randomly selected, compute the probability that both televisions work. What is the probability at least one of the two televisions does not work? read more ..

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Guest Nov 2, 2020

480

In the diagram, triangle ABE, triangle BCE and triangle CDE are right-angled

In the diagram, triangle ABE, triangle BCE and triangle CDE are right-angled, with angle AEB=angle BEC = angle CED = 60 degrees and AE = 36. Find CD.

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Guest Nov 2, 2020

423

The three-digit positive integer has a ones digit of 3.

The three-digit positive integer has a ones digit of 3. What is the probability that is divisible by 13? Express your answer as a common fraction.

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Guest Nov 2, 2020

345

I draw a card from a standard 52-card deck

I draw a card from a standard 52-card deck. If I draw an Ace, I win 1 dollar. If I draw a 2 through 10, I win a number of dollars equal to the value of the card. If I draw a face card (Jack, Queen, or King), I win 30 dollars. If I draw a , my read more ..

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Guest Nov 2, 2020

479

In what bases, b

In what bases, b, does (b+7) diveide into (9b+6) without any remainder?

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Guest Nov 2, 2020

365

HELP

1. The height (in meters) of a shot cannonball follows a trajectory given by $h(t) = -4.9t^2 + 14t - 0.4$ at time $t$ (in seconds). For how many seconds is the height of the cannonball at least $6$ meters?
2. What is the smallest distance between read more ..

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Guest Nov 2, 2020

350

A fence encloses a square field whose sides measure 12 m

A fence encloses a square field whose sides measure 12 m. A horse is tethered to a rope that is attached to a corner post of the field so that the horse is outside the fence, If the rope holding the horse is 10 m long, find the total grazing area of the read more ..

Guest Nov 2, 2020

344

i need help

pi=7x-2y solve for y

Guest Nov 2, 2020

384

If 4 numbers from 1 to 1000 are chosen at random

If 4 numbers from 1 to 1000 are chosen at random, one at a time, find the probability that they will be all multiples of 3.

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Guest Nov 2, 2020

361

Help please :(

o god i'm screwed lmao ;-;

1) Find the equation of the line with slope 3/7 and that passes through the point (14, 0). Write your answer in the form
y = mx + b. read more ..

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Guest Nov 2, 2020

837

The quadratic x^2 +5x + c has roots

The quadratic x^2 +5x + c has roots in the form of x = (-5 +/- sqrt(2c + 3))/2. What is the value of c?

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Guest Nov 2, 2020

428

plz help meeeee thank you

In $\triangle ABC$, the circumcenter and orthocenter are collinear with vertex $A$. Which of the following statements must be true?
(1) $\triangle ABC$ must be an isosceles triangle.
(2) $\triangle ABC$ must be an equilateral triangle. read more ..

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Guest Nov 2, 2020

817

In the figure, BA = AD = DC and point D is on segment BC.

In the figure, BA = AD = DC and point D is on segment BC. The measure of angle ACD is 24 degrees. What is the measure of angle ABC?
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Guest Nov 2, 2020

Nov 1, 2020

471

In how many ways can seven beads of distinct colors

In how many ways can seven beads of distinct colors be put on the hexagonal grid shown, if rotations of an arrangement are considered equivalent?

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Guest Nov 1, 2020

468

+614

please help

A cubic function y has real coefficients, and its zeros are 5, -4 and 1. If x=-3, y=64 satisfies its equation, find the equation of the cubic function in standard form.

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xxJenny1213xx Nov 1, 2020

582

Jack rolls 5 fair six-sided dice

Jack rolls 5 fair six-sided dice. What is the probability that at least three dice show the same number?

Melody ●●●●●●●●●

Guest Nov 1, 2020

340

A standard deck of 52 cards has 13 ranks

A standard deck of 52 cards has 13 ranks (Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King) and 4 suits (, , , and ), such that there is exactly one card for any given rank and suit. Two of the suits ( and ) are read more ..

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Guest Nov 1, 2020

711

+212

need help asap pls thank you

Let $n$ be a positive integer. Prove that \[n^3 = n + 3n(n - 1) + 6 \binom{n}{3}\]by counting the number of ordered triples $(a,b,c)$ of positive integers, where $1 \le a,$ $b,$ $c \le n,$ in two different ways.

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Filliqq Nov 1, 2020

819

Triangle ABC is an isosceles right triangle with a right angle at A

Triangle ABC is an isosceles right triangle with a right angle at A. Points D and E trisect side AC . What is the degree measure of angle BDE?

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Guest Nov 1, 2020

364

The red parabola shown is the graph of the equation

The red parabola shown is the graph of the equation x = ay^2 + by + c. Find c. (Assume that the graph has the standard unit scale.)

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Guest Nov 1, 2020

338

Please help me get the right answer.

What are the like terms and terms of -x - 9x2 +12x2 + 7

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Guest Nov 1, 2020

715

In the figure below, isosceles triangle ABC with base AB

In the figure below, isosceles triangle ABC with base AB has altitude CH = 24 cm. , DE = GF, HF = 15 cm, and FB = 8 cm. What is the number of square centimeters in the area of pentagon CDEFG?

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Guest Nov 1, 2020

All Questions ⁺⁰230855 Questions

Suppose r and s are the values of x

idk

May u please halp.

statistics

In the diagram, triangle ABE, triangle BCE and triangle CDE are right-angled

The three-digit positive integer has a ones digit of 3.

I draw a card from a standard 52-card deck

In what bases, b

HELP

A fence encloses a square field whose sides measure 12 m

i need help

If 4 numbers from 1 to 1000 are chosen at random

Help please :(

The quadratic x^2 +5x + c has roots

plz help meeeee thank you

In the figure, BA = AD = DC and point D is on segment BC.

In how many ways can seven beads of distinct colors

please help

Jack rolls 5 fair six-sided dice

A standard deck of 52 cards has 13 ranks

need help asap pls thank you

Triangle ABC is an isosceles right triangle with a right angle at A

The red parabola shown is the graph of the equation

Please help me get the right answer.

In the figure below, isosceles triangle ABC with base AB

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