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All Questions
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157558 Questions
0
187
1
I’m confused
Moore's law says that the number of transistors that can be placed inexpensively on a silicon chip doubles every two years. In 1990, a typical CPU contained about $1,\!000,\!000$ transistors. According to Moore's law, how many transistors did a typical
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Guest
Jul 18, 2019
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157
1
Help quick please
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Guest
Jul 18, 2019
0
113
1
Help me please
Thanks!
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Guest
Jul 18, 2019
0
269
2
+7763
Inequality
If D is a point inside triangle ABC, then prove that AB + AC DB + DC
I know this seems intuitive, but I don't know how to prove it.
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MaxWong
Jul 18, 2019
0
228
5
An election percent problem
In Ms. Pham's third grade class, an election with two candidates was held in which the losing candidate received 31% of the vote, expressed to the nearest whole percent. (If the percent is half-way between two integers, it is rounded up. For example, 47.5%
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Guest
Jul 18, 2019
0
182
1
+20
Help ASAP Please
A, B, and C are collinear, and B is between A and C. The ratio of AB to AC is 1:3.
If A is at (2,-6) and BBB is at (3,-1), what are the coordinates of point CCC?
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cantthinkofausername
Jul 18, 2019
+1
251
5
Percent problem
Ms. Forsythe gave the same algebra test to her three classes. The first class averaged 80%, the second class averaged 85%, and the third 89%. Together, the first two classes averaged 83%, and the second and third classes together averaged 87%. What was
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Guest
Jul 18, 2019
+1
182
6
Please help
1) The sequence a_1, a_2, a_3, ... satisfies a_1 = 19, a_9 = 99, and for all n3, a_n is the arithmetic mean of the first n - 1 terms. Find a_2.
2) Let a, b, and c be the roots of x^3 -
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Guest
Jul 18, 2019
Jul 17, 2019
0
181
1
Question, please help me quick
Thanks!
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Guest
Jul 17, 2019
0
188
1
recursive rule - algebra 2
Enter a recursive rule for the geometric sequence. 3, −12, 48, −192, ...
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Guest
Jul 17, 2019
+1
205
3
Help please urgent
Find all real numbers t such that . Give your answer as an interval.
asinus
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Guest
Jul 17, 2019
0
237
1
Given cos θ=3√3 and sinθ<0 .
Given cos θ=3√3 and sinθ<0 .
What is the value of sinθ ?
* − 2√3/ 3
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Guest
Jul 17, 2019
+1
209
1
Question, help me quick please
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Guest
Jul 17, 2019
0
128
1
Please help me, I'm stuck
Thanks!
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Guest
Jul 17, 2019
0
151
1
need help
In a class of 12 boys and 8 girls, a committee of three should be formed. What is the probability that there are at least two girls on the committee?
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Guest
Jul 17, 2019
0
189
3
help!!!!!
A box contains 5 yellow balls, 3 blue, and 1 red ball. Two balls are drawn at random. Find the probability that the two balls have the same color.
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Guest
Jul 17, 2019
0
171
1
help!!!!!
We flip a fair coin 10 times. What is the probability that we get heads in at exactly 8 of the 10 flips?
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Guest
Jul 17, 2019
0
182
1
+28
Inner product space
Hi guys I need your help.
We define Inner product space for example of a=(x1,y1,z1) ,b=(x2,y2,z2)like this:
=x1^2+y1^2+z1^2 , =x1x2+y1y2+z1z2
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DimitrisThymaras
Jul 17, 2019
0
215
4
+597
Dimensions of cylinder
hi good people!,
I am given a cylinder which has a capacity of 2000 cubic cm. First they ask to show that the height of the cylinder can be expressed as
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juriemagic
Jul 17, 2019
0
189
1
I need help tysm please
The height (in meters) of a shot cannonball follows a trajectory given by at time t (in seconds). As an improper fraction, for how long is the cannonball above a height of 6 meters?
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Guest
Jul 17, 2019
+2
215
4
+507
Interesting problem
This is a repost, as I have not gotten an answer and the first post is on like the 4th page
A calculator is broken so that the only keys that still work are the sin, cos, tan, cot, asin, acos, and atan buttons. Assume that the
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Davis
Jul 17, 2019
0
221
3
I need help quick please!!
Twelve 1 by 1 squares form a rectangle, as shown. What is the total area of the shaded region?
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Guest
Jul 17, 2019
0
187
1
Help pls!!
A square and a triangle have the same area. If the square has a side length of 6 units and the triangle has a base of 8 units, what is the length, in units, of the altitude to that base of the triangle?
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Guest
Jul 17, 2019
0
234
2
Can you help me with this please?
A square is divided, as shown. What fraction of the area of the square is shaded? Express your answer as a fraction.
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Guest
Jul 17, 2019
0
167
1
Help Pls!!
Cutting equilateral triangle out of square and translating it to the left of the square creates the shaded figure . The perimeter of square was 48 inches. What is the perimeter, in inches, of ?
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Guest
Jul 17, 2019
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