All Questions

255

need help with probability

In a class of 28 students, the teacher selects four people at random to participate in a geography contest. What is the probability that this group of four students includes at least two of the top three geography students in the class? Express your answer read more ..

●

Guest Feb 9, 2022

316

geometry

In triangle ABC, M is the midpoint of AB. Let D be the point on BC such that AD bisects BAC, and let the perpendicular bisector of AB intersect AD at E. If AB=44, AC=30, and ME=, then find the area of triangle ACE

●

Guest Feb 9, 2022

292

Parabola

A parabola has two x intercepts at (-2 , 0) and (-3 , 0) and passes through the point (5 , 10). Find the equation of this parabola.

●

Guest Feb 9, 2022

322

help geometry

Let XY be a tangent to a circle, and let XBA be a secant of the circle, as shown below. If AX = 15 and XY = 8, then what is AB?

read more ..

●●

Guest Feb 9, 2022

219

Write 2 1 4 feet as a multiplication expression using the unit, 1 foot, as a factor.

Write 2
1
4
feet as a multiplication expression using the unit, 1 foot, as a factor. read more ..

Guest Feb 9, 2022

360

geometry problem

We have a triangle ABC such that AB=6, BC=8, and CA=. If AD is an angle bisector such that D is on BC, then find the value of AD^2.

●●●●

Guest Feb 9, 2022

290

geometry problem

In triangle ABC, AC = BC, angle DCB is degrees, and CD is parallel to AB. What is the number of degrees in angle ECD?

read more ..

●

Guest Feb 9, 2022

288

Coordinates

For what value of c will the circle with equation x^2 - 10x + y^2 + 8y + c = 0 have a radius of length ?

●

Guest Feb 9, 2022

312

Equation of circle

The equation of the circle shown in the following diagram can be written as x^2 + Ay^2 + Bx + Cy + D = 0. Find A + B + C + D.

read more ..

●

Guest Feb 9, 2022

356

Geometry

A circle centered at O is circumscribed about Triangle ABC as follows: What is the measure of BAC?

●

Guest Feb 9, 2022

-1

322

+73

The point P(0.2, 10) lies on the curve y = 2/x . Let Q be the point (x, 2/x) .

The point P(0.2, 10) lies on the curve y = 2/x. Let Q be the point (x, 2/x).

a.) Find the slope of the secant line PQ for the following values of x.

If x = 0.3, the slope of PQ is: -33.3333333333
If x read more ..

GAMEMASTERX40 Feb 9, 2022

387

Probability question halppppp

●●●●

Guest Feb 9, 2022

998

Trigonometry question

Corey spies a bald eagle in a tall tree. He estimates the height of the tree to be 80 feet and the angle of elevation to the bird from where he stands to be 65°. The leaves on the tree make it difficult for Corey to watch the bird, so he takes several steps read more ..

●●●

Guest Feb 9, 2022

459

A dairy needs 360 gallons of milk containing 7% butterfat. How many gallons each of milk containing 9% butterfat and milk

A dairy needs 360 gallons of milk containing 7% butterfat. How many gallons each of milk containing 9% butterfat and milk containing 3% butterfat must be used to obtain the desired 360 gallons? read more ..

●

Guest Feb 9, 2022

305

Binomial

If a is such a constant so that 9x^2 + 24x + a + 6x + x^2 is the square of a bionamal. What is a?

●

Guest Feb 9, 2022

233

Counting question

Catherine rolls a 6-sided die five times, and the product of her rolls is . How many different sequences of rolls could there have been? (The order of the rolls matters.)

●

Guest Feb 9, 2022

353

Prime factors between 30 and 140

Are there any numbers between 1 & 10000 having prime factors between 30 & 140? no prime factors below 30 and above 140 are allowed. any help will be appreciated

●●●●

Guest Feb 9, 2022

330

sequences

How many terms of the arithmetic sequence 88, 85, 82, . . . appear before the number appears?

●●

Guest Feb 9, 2022

299

arithmetic sequence

The fifth term of an arithmetic sequence is 9 and the 32nd term is . What is the 23rd term?

●

Guest Feb 9, 2022

194

Algebra pls help

The polynomial ax^2+bx+c is divisible by x-1 and has a remainder of 2 when divided by x+1 and has a remainder of 8 when divided by x-2. Find the value of a, b and c

Guest Feb 9, 2022

314

Can someone tell me how to divide fractions like the equation 1 1/2 divided by 2 1/4

Can someone tell me how to multiply fractions like the equatuin

●●

Guest Feb 9, 2022

339

What can i multiply to get -32 and add to get -4?

●●●

Guest Feb 9, 2022

313

Math

Janet painted 10 earthen lamps, 6 in red and the rest in orange colour. What fraction of the earthen lamps were painted in orange?

●

Guest Feb 9, 2022

308

Fraction

Ahmad has 10 pencils---3 red, 5 green and the rest yellow. What fraction of the pencils are yellow?

●

Guest Feb 9, 2022

276

help with digits

The sum of the digits of a two digit positive integer is 15 , when the digits are reversed the number is more than the original number . what was the original number?

●

Guest Feb 9, 2022

All Questions ⁺⁰235540 Questions

need help with probability

geometry

Parabola

help geometry

Write 2 1 4 feet as a multiplication expression using the unit, 1 foot, as a factor.

geometry problem

geometry problem

Coordinates

Equation of circle

Geometry

The point P(0.2, 10) lies on the curve y = 2/x . Let Q be the point (x, 2/x) .

Probability question halppppp

Trigonometry question

A dairy needs 360 gallons of milk containing 7% butterfat. How many gallons each of milk containing 9% butterfat and milk

Binomial

Counting question

Prime factors between 30 and 140

sequences

arithmetic sequence

Algebra pls help

Can someone tell me how to divide fractions like the equation 1 1/2 divided by 2 1/4

What can i multiply to get -32 and add to get -4?

Math

Fraction

help with digits

0 Online Users

Top Users

Sticky Topics