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Post New Question
All Questions
+0
230543 Questions
0
757
1
math
Caitlyn read a book. She started reading at 9:45 am and ended at 10:37 am. How many minutes did Caitlyn read?
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Guest
Dec 8, 2021
0
268
1
If BC=6BC=6 and DC=3,DC=3, what is the length of AC ?
If BC=6BC=6 and DC=3,DC=3, what is the length AC ?
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Guest
Dec 8, 2021
0
236
1
Geometry
Three circles of radius 1 are externally tangent to each other and internally tangent to a larger circle and externally tangent to a smaller circle. What is the radius of the smaller circle? Express your answer as a common fraction in simplest radical form.
read more ..
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Guest
Dec 8, 2021
0
231
0
Physik - Danke im Voraus
Aufgabe:
Ein Bogenschütze schießt in 1,5m Höhe über dem Boden einen Pfeil waagerecht mit vx= 180 km/h ab.
Das Ziel ist 25m entfernt und hat einen 60cm Durchmesse.
a) berechne die Flugdauer des Pfeiles bis zur Scheibe
read more ..
Guest
Dec 8, 2021
0
265
1
3d geometry
Find the number of cubic centimeters in the volume of the cylinder formed by rotating a square with side length 14 centimeters about its diagonal. Express your answer in terms of pi.
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Guest
Dec 8, 2021
0
181
0
Complex Numbers
There exist complex number a, b, c, and d, such that the set of complex numbers z that satisy |z - 5*sqrt(3)| = 5 is the same as the set of complex numbers that satisfy |1/z - 1/(a*sqrt(b))| = 1/(c*sqrt(d)), where b is not divisible by the square of a prime.
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Guest
Dec 8, 2021
0
275
1
Algebra
Let a, b, c, d, and e be the distinct roots of the equation x^5 + 7x^4 - 2 = 0. Find a^5 + b^5 + c^5 + d^5 + e^5.
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Guest
Dec 8, 2021
0
207
0
Conic sections
The ellipse whose equation is x^2/a^2 + y^2/b^2 = 1 contains the circles whose equations are (x - 1)^2 + (y - 1)^2 = 1 and (x + 1)^2 + (y + 1)^2 = 1. Then the minimum area of the ellipse can be expressed in the form k*pi. Find k.
Guest
Dec 8, 2021
0
180
0
3d geometry
The solid shown was formed by cutting a right circular cylinder in half. If the base has a radius of 6 cm and the height is 10 cm, what is the volume, in terms of pi, of the solid?
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Guest
Dec 8, 2021
0
252
1
word problume thing
A rifle is fired at a target with an initial velocity of 1200 feet per second at an
angle of 28˚ with the horizontal. Find the vertical and horizontal component
of
read more ..
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Guest
Dec 8, 2021
0
242
1
3d geometry
A spherical soap bubble lands on a horizontal wet surface and forms a hemisphere of the same volume. Given the radius of the hemisphere is 3 cm, find the radius of the original bubble.
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Guest
Dec 8, 2021
+11
331
1
+483
Polynomials question
Find all values of the real number so that the four complex roots of
form the vertices of a parallelogram in the complex plane. Enter all the values of , separated by commas.
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abcdefghijklmnopqrst
Dec 8, 2021
0
194
0
обычный вопрос
сколько делали калькулятор а?
Editor toolbars Clipboard/Undo Cut Copy Paste Paste as plain text Paste from Word Undo Redo Document Source Styles Styles Format Tools Maximize about About CKEditor Basic Styles Bold Italic Underline Strikethrough
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Guest
Dec 8, 2021
0
182
0
Exponents
Write a function in the form of g(x)=a⋅b^x with the points graphed as (0,6) and (1,9)
Guest
Dec 8, 2021
0
230
1
help
With a coupon, you can get a pair of shoes that normally cost $84 for $72. What percentage is the discount?
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Guest
Dec 8, 2021
0
219
1
Geometry question
An isosceles triangle with equal sides of 5 inches and a base of 8 inches is inscribed in a circle. What is the distance between the center of the circle and the base?
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Guest
Dec 8, 2021
0
188
0
2 SIN THETA PLUS SQUARE ROOT OF 3 EQUALS ZERO
SOLVE THE EQUATIONS FOR ALL VALUES GREATER THAN OR EQUAL TO ZERO AND LESS THAN 360 DEGREES
Guest
Dec 8, 2021
0
259
1
Tom, Harry and Pip share £250 in the ratio 15:4:6. How much does Harry get?
Tom, Harry and Pip share £250 in the ratio 15:4:6. How much does Harry get?
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Guest
Dec 8, 2021
0
285
2
Number Theory
For (x,y) positive integers, let 10xy + 14x + 15y = 183. Find x + y.
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Guest
Dec 8, 2021
-1
378
2
+54
calculus
What is the half-life of a radioactive isotope if the activity of a sample drops from 6,272 cpm to 196 cpm in 29.0 min?
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Evanumber001
Dec 8, 2021
-2
265
0
+54
calc
What is the energy in eV of the electron of a hydrogen atom for the orbit designated n = 4?
Evanumber001
Dec 8, 2021
-2
241
0
+54
calc
What is the energy in eV of the electron of a hydrogen atom for the orbit designated n = 3?
Evanumber001
Dec 8, 2021
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