01/30/24
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...
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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...
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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...
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01/30/24
A local county has an unemployment rate of 4.4%. A random sample of 20 employable people are picked at random from the county and are asked if they are employed. Round answers to 4 decimal places.
a) Find the probability that exactly 3 in the sample are unemployed.
01/29/24
Pre calculus 12 grade
Convert 120 degrees to revolution. Leave your answers in simplest fraction form
01/29/24
Trig help-urgent
Solve the following inequality. Express the exact answer in interval notation, restricting your attention to 0 ≤ x ≤ 2𝜋.tan(x) ≥ 1
01/29/24
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
01/29/24
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...
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01/28/24
Evaluate the integral 4secxtanx from -pi/3 to pi/3
Definite Integrals and Fundamental Theorem of Calculus
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...
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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...
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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...
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