01/30/24

Maths arithmetic

of the numbers 1,2,3....,1000, how many are divisible by neither 6 nor 9

Solve the ff problems.

Solve the following word problems.1. How many items did Armand miss in a 75-item test if he was not able to answer 12% of them?2. There were 300 students in a journalism conference, Seventy-five of... more

01/30/24

Find the derivative and evaluate the integral.

y=tan-1(x2)For this, I would utilize the derivative of arctan and chain rule, right? So with this, I'd get 1/(1+(x2)2)*(2x)? And by simplification, the answer would be (2x)/(1+(x2)2)?∫(from 0 to... more

01/30/24

Evaluate the integral

∫[2x/(2x+1)]dx

01/30/24

Models and Applications

ssuming the speed of sound is 338 m/s ...a) How far away in km did the lighting strike if it takes 4.8 s to hear the thunder after the flash?  distance =    km b) How far away is the canyon wall if... more

01/30/24

Precalculus 12 grade

Convert 257.285 degrees to degrees, minutes, seconds

01/29/24

Pre calculus 12 grade

Convert 120 degrees to revolution. Leave your answers in simplest fraction form

01/29/24

45 children on 9 buses=

45 children on 9 buses=

01/29/24

45 children on 9 buses=

45 children on 9 buses=

Trig help-urgent

Solve the following inequality. Express the exact answer in interval notation, restricting your attention to 0 ≤ x ≤ 2𝜋.tan(x) ≥ 1

Urgent calculus help

Solve the following inequality. Express the exact answer in interval notation, restricting your attention to −𝜋 ≤ x ≤ 𝜋. sin2(x) < 1/2

midterm help-Calculus help, urgent

Solve the following inequality. Express the exact answer in interval notation, restricting your attention to −𝜋 ≤ x ≤ 𝜋. sin2(x) < 3/4

01/29/24

need help determining the odds of something

lets say there are unlimited barrels full of different fruits, each barrel has 100 fruits in it. 5% of all the fruits are pearsthere is also a 1/25650 chance of any fruit to be goldenwhat are the... more

01/28/24

Evaluate the integral 4secxtanx from -pi/3 to pi/3

Definite Integrals and Fundamental Theorem of Calculus

01/28/24

Solve by elimination

Solve by elimination:Y=x^2+4x-24,Y=6x+11

01/28/24

Applications of Simultaneous Equations in Real-World Contexts

1. The giant pandas Kai Kai and Jia Jia reside at the River Safari. The sum of their ages when they first arrived in Singapore in 2013 was 11 years. In 2022, Kai Kai will be three times as old as... more

01/28/24

Solving Simultaneous Linear Equations Using Algebraic Methods

A computer animation shows a cat moving in a straight line. Its height, a metres, above the ground, is given by 8s-3h=-9 where s is the time in seconds after it starts moving. In the same... more

01/27/24

Statistics and Probability

According to a college survey, 22percent of all students work full time. Find the mean for the random variable X, the number of students who work full time in samples of size 16.

01/27/24

Direct and inverse proportions

A machine which manufactures ice needs to be run for 10 minutes to warm up before the production of ice begins. The mass, in tonnes, of ice produced is directly proportional to the number of hours... more

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