Recent activity by Jan Pravda

Recent activity by Jan Pravda

Find a function f such that f '(x) = 3x3 and the line 81x + y = 0 is tangent to the graph of f.

answered Dec 23, 2023

1 answer 136k views

The legs of a right triangle are 8 and 9 units long. What is the area of the triangle in square units?

answered Dec 10, 2023

1 answer 121k views

Look at this ancient Egyptian painting. What does this painting lack?

asked Dec 2, 2023

1 answer 92.4k views

Barbara runs once around the track in 3 minutes 45 seconds. Liad runs around the track in 2 minutes 30 seconds. At these rates, after 10 minutes of running, the distance Barbara has run is what fractional

asked Nov 10, 2023

1 answer 101k views

I need help please !!

answered Oct 24, 2023

2 answers 6.3k views

The air is less dense at higher altitudes. How does this affect climate?.

answered Oct 22, 2023

1 answer 161k views

Makeaconjectureforthenextequationandverifyit.Hint:TheFibonacciSequenceisusedhere.1 = 2 − 11 + 1 = 3 − 11 + 1 + 2 = 5 − 11 + 1 + 2 + 3 = 8 − 11 + 1 + 2 + 3 + 5 = 13 − 1

answered Sep 23, 2023

1 answer 34.3k views

G(x) = 3x - 2, given g(x) = 7

asked Jun 19, 2023

1 answer 54.0k views

For the following vectors, find 2u - 3(v - w): u = <5, - 1>, v = <-2, 1>, W = <-1,0>O <15, -5><13, 1>O <13, -5><7, 1>

answered Feb 19, 2023

1 answer 92.8k views

How did the scientific revolution contribute to the Enlightenment in Europe during the 17th and 18th centuries?

answered Dec 25, 2022

2 answers 119k views

A line is perpendicular to y = 2x - 7. What is the slope of this line? 1/2 2 -2 -1/2

answered Oct 28, 2022

1 answer 22.6k views

The rules of a game allow a team to score either 2 points or 5 points, depending on the nature of the scoring play. If the final score between two teams was 34 to 29, and there were 18 scoring plays altogether,

answered Oct 19, 2022

2 answers 83.7k views

These two angles form a complementary angle. What is the measure of angle GHI

asked Oct 17, 2022

2 answers 194k views

Theres 96 seats and 12 tables I just need an equation.

asked Jun 22, 2022

1 answer 4.3k views

What is surrealism? surrealism Drawing

answered Jun 20, 2022

2 answers 6.1k views

please help I'm not good at math. What is the equation of the line that has a slope of -4 and passes through the point (2, 3)?

asked May 23, 2022

2 answers 189k views

Who can help me? Thanks.

answered Mar 15, 2022

2 answers 46.8k views

If you were on an expedition to the moon and had to find an energy source, which would you choose?

answered Mar 13, 2022

1 answer 173k views

A flask of water is sealed with a balloon and heated to various temperatures on a hot plate

answered Feb 27, 2022

2 answers 126k views

Which set of numbers is NOT in the solution set of the inequality x < 12 A) {-4, -3, 2, 3, 6} B) { -1, 3, 5, 7, 9} C) {1, 9, 10, 15, 17}

answered Feb 26, 2022

1 answer 934 views

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