All Questions ⁺⁰237262 Questions

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370

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Help. Thanks.

Stall A sold watermelons at $4 each and Stall B sold pineapples at
$2.50 each. The number of watermelons in Stall A was 3/4 as many as the
number of pineapples in Stall B. When Stall A sold 52 watermelons, Stall B
gave Stall A the read more ..

Guest Feb 12, 2022

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312

1

plz help

The roots of y^2 - 5y - 11 = 0 are a and b. Find (a + 3)(b + 3).

Guest Feb 12, 2022

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267

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geometry

H is the orthocenter of acute triangle ABC and the extensions of AH, BH, and CH intersect the circumcircle of traingle ABC at A prime, B prime and C prime. We know angle AHB : angle BHC : angle CHA = . Find angle AprimeBprimeCprime in read more ..

Guest Feb 12, 2022

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331

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Geometry

In acute triangle ABC , we know the side lengths AB = sqrt(41) and BC = sqrt() and that altitude BD = 5 . What is AC ?

Guest Feb 12, 2022

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256

1

help plz

Let A equal the number of four digit odd numbers. Let B equal the number of four digit multiples of 7. Find A + B.

Guest Feb 12, 2022

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364

1

Solve inequality

Find all real numbers s such that -2(s + 7) > 4s + 8. Please give your answer in interval notation.

Guest Feb 12, 2022

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207

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What is the Graph of liner inequalities in two variables?

What is the Graph of liner inequalities in two variables?

Guest Feb 12, 2022

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359

1

help quadratic

The equation y = -16t^2 - 80t + 54 describes the height (in feet) of a ball thrown downward at 80 feet per second from a height of 54 feet from the ground, where t represents time, measured in seconds. In how many seconds will the ball hit the ground? Express read more ..

Guest Feb 12, 2022

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294

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geometry

In the diagram below, EU = 8, UF = 7,GV = 5, VH = 16, and UV= 8. Find XY.

Guest Feb 12, 2022

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196

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counting

How many ways are there to divide a group of 6 friends among the basketball team, the soccer team, the track team, and the croquet team? (Each team could have anywhere from 0 to 6 of the friends on it. Assume the friends are distinguishable.)

Guest Feb 12, 2022

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275

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Angles

Given angle APS = 77 degrees and arc AP = degrees, find the degree measure of arc PS.

Guest Feb 12, 2022

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283

2

Angles

In the diagram, angle A = 30 degrees, arc DE = 168 degrees, and arc BC = 110 degrees. Find the measure of arc CE, in degrees.

read more ..

Guest Feb 12, 2022

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332

1

Angles

Grogg draws the following figure. It so happens that angle SAP is degrees less than 4 times angle SOP. Find the degree measure of angle SAP.

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Guest Feb 12, 2022

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322

1

Geometry

Find the area of triangle ABC if AB = BC = 12 and angle ABC = degrees.

Guest Feb 12, 2022

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276

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Parabolas

Suppose that we have an equation y = ax^2 + bx + c whose graph is a parabola with vertex (3,4), vertical axis of symmetry, and contains the point (1,0).
What is (a , b, c)?

Guest Feb 12, 2022

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217

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Percent problem

At Tomi's middle school, 40% of the students are boys. Fifty percent of the boys chose blue as their favorite color, while 30% of the girl students chose blue as their favorite color. Of the students who chose blue as their favorite color, what fraction read more ..

Guest Feb 12, 2022

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344

2

Parabola problem

Find the vertex of the graph of the equation x - 2y^2 + 6y = 18.

Guest Feb 12, 2022

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331

2

help plz

The grid lines in the graph below are one unit apart. The red parabola shown is the graph of the equation y = ax^2 + bx + c. Find (a,b,c).

read more ..

Guest Feb 12, 2022

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328

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Polynomials

The polynomial f(x) has degree 3. If f(-1) = 15, f(0) = 48 , f(1) = 105 , and f(2) = 192, then what are the x-intercepts of the graph of ?

Guest Feb 12, 2022

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622

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help quick pls

The vertex of a parabola is at $(6,5)$, and its axis of symmetry is vertical. One of the $x$-intercepts is at $(8, 0)$. What is the $x$-coordinate of the other $x$-intercept?

Guest Feb 12, 2022

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203

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Hard geometry

Let AB be a diameter of a circle, and let C be a point on the circle such that AC = 8 and BC = . The angle bisector of

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Guest Feb 12, 2022

Feb 11, 2022

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206

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Number Theory

Find $14^{-1}$ (mod $35$), as a residue modulo 35. (Give an answer between 0 and 34, inclusive.)

Guest Feb 11, 2022

+1

366

3

+1633

Algebra 2 question parabolas help

A circle passes through the point (0,1), and is tangent to the parabola y = x^2 at (2,4). Find the center of the circle.

The answer should be in the form (a,b), the answer should be a fraction not decimal. read more ..

proyaop Feb 11, 2022

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253

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Number Theory

If $3x+7 \equiv 11$ (mod $16$), then 2x+11 is congruent (mod 16) to what integer between 0 and 15, inclusive?

Guest Feb 11, 2022

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