All Questions ⁺⁰231295 Questions

0

948

1

5 numbers with a range of 5 a mean of 4 and a median of 3

5 numbers with a range of 5 a mean of 4 and a median of 3

Guest May 26, 2020

+1

531

1

need help

Solve for x if 1/(x + 2) = 1/2 + 1/x.

Guest May 26, 2020

+1

441

1

equation of the line tangent to the circle at (-5, 12).

equation of the line tangent to the circle at (-5, 12).

Guest May 26, 2020

+1

408

2

help

How many ways are there to arrange the letters of SPELL, where the first letter is L?

Guest May 26, 2020

0

480

1

help

In how many ways can 27 be written as the sum of two positive integers? (Ignore the order of the numbers.)

Guest May 26, 2020

+1

470

1

please help

Three men can paint a barn in 12 hours. How long will it take two men to paint a barn?

Guest May 26, 2020

0

650

1

algebra help

Find a monic quartic polynomial f(x) with rational coefficients whose roots include x=1-\sqrt 2 and x=2+\sqrt 5. Give your answer in expanded form.

Guest May 26, 2020

0

390

0

Please help

What is the sum of the smallest and second-smallest positive integers $a$ satisfying the congruence$$27a\equiv 17 \pmod{40}~?$$

off-topic

Guest May 26, 2020

0

481

2

help

Solve |x - 1| - 2|x| = 3|x + 1|.

Guest May 26, 2020

0

494

1

help

A triangle is inscribed in a circle of radius 15. The measures of the triangles are in the ratio 2:3:4. FInd the lengths of the corresponding arcs.

Guest May 26, 2020

0

535

2

Pls help

Find constants and such that
\[\frac{x + 7}{x^2 - x - 2} = \frac{A}{x - 2} + \frac{B}{x + 1}\]
for all x such that x is not equal to -1 and x is not equal to -2. Give your answer as the ordered pair . read more ..

Guest May 26, 2020

0

585

1

Please help me

Let a b c d and e be positive integers. The sum of the four numbers on each of the five segments connecting "points" of the star is 28. What is the value of the sum a+b+c+d+e?
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Guest May 26, 2020

0

514

1

please help, i'm really stuck

In an isosceles triangle, the sum of its base and its height is 10, and the radius of its circumscribed circle is 25/8. Find the sides of the triangle.

Guest May 26, 2020

0

1478

2

please help me hard geo question :(

A quarter-circle with radius is drawn. A circle is drawn inside the sector, which is tangent to the sides of the sector, as shown. Find the radius of the inscribed circle.

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Guest May 26, 2020

0

405

0

Can Anybody help?

Dustin has five hats, five shirts, five pairs of pants, and five pairs of shoes; he has one of each in blue, green, gray, silver, and gold (his five favorite colors). Dustin is picky about what he wears: he insists on his shoes being the read more ..

Guest May 26, 2020

May 25, 2020

0

438

1

help!

If P(x) is a cubic polynomial with leading coefficient 2 such that P(1) = 2, P(2) = 8, P(3) = 18, find P(4).

Guest May 25, 2020

0

345

0

how do you do this?

A swimming pool is fitted with three pipes with constant flow rates. The first two pipes operating simultaneously can fill the pool in the same amount of time that it takes for the third pipe alone to fill the pool. The second pipe fills the pool five hours read more ..

Guest May 25, 2020

0

349

0

geometry

In an isosceles triangle angle C=108∘. On segment BC there is a point E such that AE halves the angle BAC. If CD is the height of the of the triangle and CD=9. Then AE=?
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Guest May 25, 2020

0

528

0

+148

What are the fourth roots of −3+3√3i ?

What are the fourth roots of −3+3√3i ?

__cis(__)
__cis(__) read more ..

imbadatmath12 May 25, 2020

0

490

0

+42

Homework probability question DUE ASAP

How do I find the probabilities expressed in the 1st question and set up the two-way table in the 2nd? I would greatly appreciate your help. read more ..

matthewicee May 25, 2020

0

721

0

+148

The initial point of a⃗ is (−1,6), and its terminal point is (−3,−2).

The initial point of a⃗ is (−1,6), and its terminal point is (−3,−2).
What is the value of ∥a⃗∥?
Enter your answer, as a simplified radical.

imbadatmath12 May 25, 2020

0

999

1

help

In Ms. Smith's class, each student averages one day absent out of thirty. What is the probability that out of any two students chosen at random, one student will be absent while the other is present? Express your answer as a percent rounded to the nearest read more ..

Guest May 25, 2020

0

439

1

please help!

One of their common tangents is touching as shown in the figure. Find the radius of the circle with center R.

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Guest May 25, 2020

-1

1996

2

i dont know the answer to this advanced geometry question please help me :(

Quadrilateral is a trapezoid with bases and . The median meets the diagonals and at and , respectively. If and , find .
read more ..

Guest May 25, 2020

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