All Questions ⁺⁰237665 Questions

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484

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+2499

how to calculate something to the 100th degree?

I saw a calculation by putting the opposite like: (-sqrt(2)-isqrt(2))^2, but I am not sure if I should do this one the same way.

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Solveit Nov 25, 2021

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272

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Parabola

The graph of y=ax^2+bx+c has an axis of symmetry of x = 2. Find b/a.

Guest Nov 25, 2021

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322

0

The temperature of a city changed by −15 degrees Celsius over a 5-week period. The temperature changed by the same amount each week.

The temperature of a city changed by −15 degrees Celsius over a 5-week period. The temperature changed by the same amount each week.
Part A: Write an expression to show the average change in the temperature of the city each week. (5 points) read more ..

Guest Nov 25, 2021

0

281

0

Function problem

Let
f(x) = -x + 3 if x <= 0
f(x) = 2x + 8 if x > 0
read more ..

Guest Nov 25, 2021

Nov 24, 2021

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306

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Ordering numbers

order from least to greatest:
$\sqrt{21}$, $\sqrt[3]{27}$, $-\sqrt{64}$, $\sqrt[4]{25}$, $\sqrt{40}$, $-\sqrt[3]{81}$

Guest Nov 24, 2021

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285

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Algebra

The solutions of x(3x-7) = -1 may be expressed in the form m + sqrt n / p and m - sqrt n / p , where m, n, and p have a greatest common divisor of 1. Find m+n+p.

Guest Nov 24, 2021

0

281

0

Complex Numbers

Express (4-5i)(-5-5i) in the form a+bi , where a and b are integers and i^2=-1.

Guest Nov 24, 2021

0

271

0

Algebra

The roots of x^2 + 8x + 4 are the same as the roots of Ax^2 + 16x + B . What is A + B?

Guest Nov 24, 2021

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314

1

Pls help asap

There are 2 senators from each of the 50 states.
We wish to make a 3 senator committee in which no two of the members are from the same state. In how many ways can we do it?

Guest Nov 24, 2021

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278

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Algebra

Let a and b be the solutions to 5x^2 - 11x + 4 = 0 Find: 1/a^2 + 1/b^2.

Guest Nov 24, 2021

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301

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Wiener Kongress, Heilige Allianz, Beginn der Restauration

Hallo,
ich komm bei dieser Geschichtsfrage gerade gar nicht weiter.
So lautet sie:
Die Historikerin Eva Maria Werner schrieb 2009: ,,Die Revolution von 1848/1849 wirkte auf vielfältige Weise fort". Diskutiere über die These, read more ..

Guest Nov 24, 2021

0

327

1

Geometry

In triangle ABC, M is the midpoint of AB. Let D be the point on BC such that AD bisects angle BAC, and let the perpendicular bisector of AB intersect AD at E. If AB = 44, AC = 32, and ME = 18, then find the area of triangle ACD.

Guest Nov 24, 2021

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323

1

Octagon

In the regular octagon below, find x.

Guest Nov 24, 2021

-1

475

3

+2499

how do I sketch in the complex number plane?

Can anyone help me with this one?

Solveit Nov 24, 2021

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296

1

coordinates

What is the x- coordinate of the point on the x-axis that is equidistant from points A( -2, 0) and B(0,8)?

Guest Nov 24, 2021

0

386

1

Coordinates

The slope of a line is -2 and its x-intercept is (5,8). What is the y-intercept point of the line? Express your answer as an ordered pair.

Guest Nov 24, 2021

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261

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Domain question

How many real numbers are not in the domain of the function
f(x) = 1/(x - 64) + 1/(x^2 - 64) + 1/(x^3 - 64) + 1/(x^4 - 64)?

Guest Nov 24, 2021

0

332

1

Geometry

In triangle ABC, point D divides side AC so that AD : DC = 1 : 2. Let E be the midpoint of BD and let F be the point of intersection of line BC and line AE. Given that the area of ΔABC is 400 cm2, what is the area of ΔEDA?
read more ..

Guest Nov 24, 2021

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335

1

help

what is 150 divided by 5

Guest Nov 24, 2021

0

334

1

help

SOLVE THE FOLLOWING EQUATION FOR ALL VALUES GREATER THAN OR EQUAL TO ZERO AND LESS THAN 360⁰
2SINꝊ - 1 = 0

Guest Nov 24, 2021

0

300

0

+1

ASAP! AREA PROBLEM PLEASE HELP!

A bobcat is tethered by a 24 foot chain inside a hexagon whose sides are thirty feet. A rabbit is also tethered by a 20 foot rope opposite to the vertex the bobcat is chained to.

How much more area can the bobcat access, read more ..

bbb31902 Nov 24, 2021

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288

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help coordinates

What is the product of all the coordinates of all the points of intersection of the two circles defined by x^2-2x+y^2-10y+20=0 and x^2-8x+y^2-10y+35=0?

Guest Nov 24, 2021

0

299

1

help

whats the arial of the cricle if the radius is 17

Guest Nov 24, 2021

0

340

4

Help please

Find the number of 10 digit numbers, where the sum of the digits is divisible by 10

Guest Nov 24, 2021

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