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Please help

Diagonals AC and BD of a regular pentagon ABCDE intersect at H. Decide whether or not AHDE is a rhombus, and give your reasons.

Guest 2 mins ago

Please answer this question

A stick has a length of $5$ units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are shorter than $2$ units?

(All other answers to this question were wrong) read more ..

Guest 21 mins ago

help with quadratic

The line x = k intersects the graph of the parabola x = -2y^2 - 8y + 5 at exactly one point. What is k?

Guest 43 mins ago

help asap.

In triangle ABC the angle bisectors are AD BE and CF, which intersect at the incenter I. If Angle ACB = 38 degrees then find the measure of AIE in degrees.

I am stuck on this problem and I read more ..

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Guest 50 mins ago

number theory

What is the largest integer n such that 3^n is a factor of 1 * 3 * 5 * ... * 97 * 99 * 101 * 103 * ... * 197 * 199?

Guest 1 hour ago

probability question

a is chosen from the set {1,2,3,4,5}, and b is chosen from the set {5,6,7,8,9}. What is the probability that the product ab is a prime number?

Guest 2 hours ago

Algebraically determine the EXACT solutions for 2x 2 −7.9x≤3 using roots and test points.

Algebraically determine the EXACT solutions for 2x2−7.9x≤3 using roots and test points.

Guest 2 hours ago

Inequality word problem please help thank youuu!

Nina takes her friends to an ice cream store. A milkshake costs $3 and a chocolate sundae costs $2.50. Nina has $18 in her purse.
Let m = milkshake
Let c = chocolate sundae
a) Write an inequality to describe read more ..

Guest 3 hours ago

help number theory

What is the smallest positive n such that n/(2010*7*11) is a terminating decimal?

Guest 3 hours ago

I think they should start a restaurant. What do you think? Please help.

Sydnei and Braydon are friends that want to start a business together. Sydnei wants them to start a photography business that, after paying a one time fee of $10,000 for equipment and training, would earn them $30,000-$60,000 a year depending on demand. read more ..

Guest 3 hours ago

geometry

Quadrilateral PQRS is a trapezoid with bases PQ and RS. The median MN meets the diagonals PQ and RS at X and Y, respectively. If SR=20 and XY=5, find PQ.

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Guest 3 hours ago

Mixture Problem. Forgot How To Do Problems Like These. Please Help!

A mixture containing 4% saline solution is to be mixed with 2 quarts of a mixture which is 10% saline to obtain a solution which is 8% saline. How much of the 4% solution must be used?

Btw: No need to give me step by step. I only need read more ..

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Guest 3 hours ago

geometry

A triangle whose side lengths are whole numbers has one side which measures 25 inches and a perimeter of $100$ inches. What is the fewest number of inches that can be the length of one of the remaining sides?

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Guest 4 hours ago

Counting

in how many different ways can 4 students stand in a straight line if two of the students want to stand next to each other?

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Guest 4 hours ago

System

Find an ordered pair that solves the system:
2x - 3y = -3.2 - 0.2x + 0.1y,
x = 0.6x - y

Guest 5 hours ago

+509

Can't seem to figure this.. (Algebra)

f(x) be a polynomial of degree atmost 7 which leaves remainder -1 and 1 on division by and respectively. If the sum of pairwise product of all roots of is n then the value of (5n + 24) is

P.S. final read more ..

amygdaleon305 Jul 28, 2021, 5:14:38 AM

Evaluate the following expression. Round the solution to the nearest tenth if necessary. e−2 =

Evaluate the following expression. Round the solution to the nearest tenth if necessary. Incorrect feedback has been removed from the screen. e−2 =

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Guest Jul 28, 2021, 4:17:36 AM

Inverse Functions

Let f(x) = 3x + 4 and g(x) = 2x + 8. If h(x) = f(g(x)) , then what is the inverse of h(x)?

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Guest Jul 28, 2021, 4:08:44 AM

number theory

There exist several positive integers x such that 1/(x^2 + 2x) is a terminating decimal. What is the second smallest such integer?

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Guest Jul 28, 2021, 4:08:15 AM

help math

All triangles have the same value, and all circles have the same value. What is the sum of two circles?

$\Delta + \bigcirc + \Delta + \bigcirc + \Delta + \bigcirc + \Delta = 21$
$\bigcirc + \Delta+\bigcirc+\Delta+\bigcirc read more ..

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Guest Jul 28, 2021, 3:58:18 AM

-1

the game set

In the card game Set, each card features a number of shapes, with four attributes:
Number: The number of shapes is 1, 2, or 3.
Color: Each shape is red, purple, or green.
Shape: Each shape is oval, diamond, or squiggle.
Shading: Each shape read more ..

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Guest Jul 28, 2021, 3:10:07 AM

All Questions ⁺⁰199352 Questions

Please help

Please answer this question

help with quadratic

help asap.

number theory

probability question

Algebraically determine the EXACT solutions for 2x 2 −7.9x≤3 using roots and test points.

Inequality word problem please help thank youuu!

help number theory

I think they should start a restaurant. What do you think? Please help.

geometry

Mixture Problem. Forgot How To Do Problems Like These. Please Help!

geometry

Counting

System

Can't seem to figure this.. (Algebra)

Evaluate the following expression. Round the solution to the nearest tenth if necessary. e−2 =

Inverse Functions

number theory

help math

the game set

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