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230749 Questions
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776
2
At the moment in question,At what rate is the shadow decreasing? Remember to use radians in your calculations. Express your answer in in
On a morning of a day when the sun will pass directly overhead, the shadow of a 60-ft building on level ground is 25 ft long. At the moment in question, the angle theta the sun makes with the ground is increasing at the rate of 0.24 degrees/min. At
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Guest
Nov 11, 2019
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519
2
help
Find the center of the circle that passes through the points (1,3), (3,-2), (5,3).
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Guest
Nov 11, 2019
+1
816
4
+168
coordinate geometry
please explain each step of the process
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HoldMyBeer
Nov 11, 2019
0
860
2
help
Assuming that the birth of a boy or a girl is equally likely, what is the probability that the three children in a family include at least one boy and one girl? Express your answer as a common fraction.
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Guest
Nov 11, 2019
0
1519
9
Find the number of 10-digit numbers where the sum of the digits is divisible by 5.
Find the number of 10-digit numbers where the sum of the digits is divisible by 5.
There is another post about this, but the answers were wrong.
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Guest
Nov 11, 2019
+1
337
0
calculus
Let an := (−1)n ( 1 2 − 1 n ) for n ∈ N. Is (an) convergent?
off-topic
Guest
Nov 11, 2019
+4
879
10
+29
Cats
Who here likes cats?
off-topic
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TaylorSwift
Nov 11, 2019
+2
831
5
+168
coordinate geometry
help would be much appreciated
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HoldMyBeer
Nov 11, 2019
+4
715
2
+29
A question
How do you post images on this website
off-topic
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TaylorSwift
Nov 11, 2019
+1
610
3
plz help
Find the smallest positive solution to the equation $\sin(x)=\cos\left(2x+\dfrac{\pi}{3}\right)$.
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Guest
Nov 11, 2019
+1
1618
3
math
In the figure shown, arc ADB and arc BEC are semicircles, each with a radius of one unit. Point D, point e and point F are the midpoints of arc ADB, arc BEC and arc DFE, respectively. If arc is also a semicircle, what is the area
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Guest
Nov 11, 2019
0
575
2
math
https://prnt.sc/pud1mw
Determine the difference of outputs of any two inputs that are 2 units apart.
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Guest
Nov 11, 2019
0
589
2
help
If sides of a triangle 3,4,5 cm .Find the distance between incentre and circumcentre.
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Guest
Nov 11, 2019
0
420
1
help
You roll 2 fair dices with your eye closed, you are told "at least one of the dice is a one", what is the probability that the both dice are a 1?
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Guest
Nov 11, 2019
0
1839
4
geometry questions
1. The perimeter of a triangle is 12 and its inradius is 1. What is the area of the triangle?
2. is
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Guest
Nov 11, 2019
0
1591
1
geometry
A hexagon is drawn with its vertices at
and all of its diagonals are also drawn, as shown below. The diagonals cut the hexagon into 24 regions of various shapes and sizes. These 24 regions are shown in pink and yellow below. If the smallest
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Guest
Nov 11, 2019
+1
685
2
help on 2 questions
1. I have a bag with 5 pennies and 6 nickels. I draw coins out one at a time at random. What is the probability that after 4 draws I have removed no more than 2 pennies from the bag?
2. The Bad News Bears are playing against
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Guest
Nov 11, 2019
0
446
1
help
Given that m - 2 divides 3m^2 - 2m + 11, find all possible values of m.
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Guest
Nov 11, 2019
0
594
3
help
Find the number of real solutions to 1 + x + x^2 + x^3 = x^4 + x^5.
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Guest
Nov 11, 2019
+1
1648
8
+13
Please Help!
We say that a quadrilateral is a bow-tie if two of the sides cross each other. An example is shown below.
Seven different points are chosen
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ArchedScythe
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ArchedScythe
Nov 11, 2019
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