All Questions ⁺⁰230906 Questions

0

324

1

Please help me

A convex pentagon has three right angles. The other two angles are congruent to each other. What is the measure, in degrees, of one of these other angles?

Guest Mar 12, 2022

0

271

3

help number theory

Compute the sum of all positive integers k for which the number k*1984*2 has exactly 21 positive divisors.

Guest Mar 12, 2022

0

286

1

4*2+x2=16, Find x.

4*2+x2=16, Find x.

Guest Mar 12, 2022

+2

327

1

+51

help

A lynx running at 90 km/h tries to catch a rabbit that is going at 18 m/s and is 20 m ahead of him. Find out if the lynx will achieve its goal before 2s, the time it would take for the rabbit to reach the burrow

Jaimegemile777 Mar 12, 2022

0

276

2

Algebra

The ratio of John's savings to Alice's saving is 1:2. If their mum gave $1000 to each of them, John had 2/5 as much money as Alice. What is John's saving?

Guest Mar 12, 2022

0

200

1

Math

Eric had 300 more lollipops than Richard at first. After Richard had eaten 120 of her lollipops, Eric had thrice as many lollipops as Richard. How many lollipops did Eric have at first?

Guest Mar 12, 2022

+1

369

8

+72

Simple proof about squares!

Prove that:
is never a perfect square. (Where are positive integers between and .)

I can't seem to develop an argument using prime factorizations... I wonder what approach you'll use? read more ..

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jsaddern Mar 12, 2022

+1

351

4

+31

Proof with simple rational function

Prove that for all positive integers
is never a perfect square.

This seems so simple but I don't see any efficient way of starting on this problem... read more ..

ibhar Mar 12, 2022

0

271

1

+20

square root of function

Sketch the graph of the function y = √f(x) given the graph of the function y = f(x).

For each point on the graph of y=(f), does a corresponding point on the graph of read more ..

Nimrod Mar 12, 2022

-1

262

1

help

Brayden buys a wooden board that is 7 7/9 feet long. The cost of the wooden board is $0.40$0.40 per foot including tax. Enter the total cost, in dollars, of the wooden board.

Guest Mar 12, 2022

0

280

2

help pls due rlly soon :((

1. Let
p(x) = 1 - 1/x
What is p^6 (-1/2) ?

2. Let
f(x) = (x-1)(x-3)(x+5)+72
Find the sum of all values of x such that f(x) = 72 read more ..

Guest Mar 12, 2022

-1

307

3

+22

Angle C is a right angle. Find the side indicated to the nearest tenth. Find c if b=11.9, m∠B=20

Angle C is a right angle. Find the side indicated to the nearest tenth. Find c if b=11.9, m∠B=20°

A.) 45.2
B.) 43.1 read more ..

DFO627 Mar 12, 2022

Mar 11, 2022

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294

1

my docter told me to drink 2.5 gallons of water every week how many 8oz glasses of water should i drink in a week

my docter told me to drink 2.5 gallons of water every week how many 8oz glasses of water should i drink in a week

Guest Mar 11, 2022

0

307

2

Pls help

How many arrangements of the numbers 1, 2, 3,....,7 are there where the sum of any two adjacent numbers is odd?

Guest Mar 11, 2022

0

278

1

Polynomials

Let g(x) = x^2 - 11x + 30. Find the polynomial f(x) with positive leading coefficient, that satisfies g(f(x)) = x^4 - 14x^3 + 68x^2 - 133x + 90.

Guest Mar 11, 2022

0

260

2

polygon

The interior angles of a convex polygon are in arithmetic progression. The smallest angle is 120 degrees and the common difference is 5 degrees. Find the number of sides of the polygon.

Guest Mar 11, 2022

0

266

1

help Algebra

If a + b = 2 and ab = 3, then find a^3 + b^3.

Guest Mar 11, 2022

0

277

1

Algebra

For what real values of a is x^2 + ax + 25 - 9 the square of a binomial? If you find more than one, then list the values separated by commas.

Guest Mar 11, 2022

0

223

1

help geometry

ABCD is a right trapezoid with AB parallel to CD and ∠BAD=∠ADC=90∘. The diagonals AC and BD intersect at E. If AB=7, DC = 28 and AD = 80, what is the area of triangle BEC?

Guest Mar 11, 2022

0

148

0

Math problem

How many pairs of positive integers (x,y) satisfy the equation x^2-y^2=14+xy?

Guest Mar 11, 2022

0

295

4

+22

Help me please!!!

The range of a secant function is (−∞, −4] ∪ [8, ∞). The equations of two consecutive asymptotes of the function are = −pi and =pi. The function is not a reflection over the x-axis. What is the equation of this secant function? Write the equation and state read more ..

DFO627 Mar 11, 2022

0

186

0

help

Polygon ABCDE is composed entirely of straight-line segments with lengths and right angles as indicated. Line segment AB is parallel to line segment EC (not shown). Compute the length of line segment .

Guest Mar 11, 2022

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