All Questions

1105

Help please

Guest Jul 18, 2019

1462

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 read more ..

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Guest Jul 18, 2019

692

Help quick please

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Guest Jul 18, 2019

546

Help me please

Thanks!

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Guest Jul 18, 2019

1575

+9676

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

1390

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% read more ..

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Guest Jul 18, 2019

887

+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? read more ..

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cantthinkofausername Jul 18, 2019

1901

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 read more ..

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Guest Jul 18, 2019

1008

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 - read more ..

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Guest Jul 18, 2019

Jul 17, 2019

783

Question, please help me quick

Thanks!

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Guest Jul 17, 2019

866

recursive rule - algebra 2

Enter a recursive rule for the geometric sequence. 3, −12, 48, −192, ...

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Guest Jul 17, 2019

917

Help please urgent

Find all real numbers t such that . Give your answer as an interval.

asinus ●●●

Guest Jul 17, 2019

1644

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 read more ..

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Guest Jul 17, 2019

988

Question, help me quick please

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Guest Jul 17, 2019

596

Please help me, I'm stuck

Thanks!

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Guest Jul 17, 2019

801

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

876

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

802

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

960

+51

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
read more ..

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DimitrisThymaras Jul 17, 2019

934

+1124

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
read more ..

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juriemagic Jul 17, 2019

811

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

2101

+501

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 read more ..

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Davis Jul 17, 2019

1816

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

1337

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

1666

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.

read more ..

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Guest Jul 17, 2019

All Questions ⁺⁰237827 Questions

Help please

I’m confused

Help quick please

Help me please

Inequality

An election percent problem

Help ASAP Please

Percent problem

Please help

Question, please help me quick

recursive rule - algebra 2

Help please urgent

Given cos θ=3√3 and sinθ<0 .

Question, help me quick please

Please help me, I'm stuck

need help

help!!!!!

help!!!!!

Inner product space

Dimensions of cylinder

I need help tysm please

Interesting problem

I need help quick please!!

Help pls!!

Can you help me with this please?

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