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Evelyn Aldana deposits a monthly income due for 5 years at a rate of 12% annual compounded monthly and you will not withdraw the money until 2 years later of the last income. If you can withdraw Q 90,000, how much do you deposit monthly?

A population of values has a normal distribution with μ=186.8 and σ=70.5. A random sample of size n=121 is drawn. What is the mean of the distribution of sample means?

2x²+5x+2=0

Given the vectors A=0.6j+0.8k and B=30i−5j−k . A unit vector that is normal to the plane containing A and B is

I need to know how to solve the discharge of a capacitor whose resistances are 10kilo ohms, 330 ohm, with a voltage source of 7volts, the capacitor has 470uF

Find the minimum sample size needed to be 99% confident that the sample’s standard deviation is within 10% of the population standard deviation.

Find the amount that results from the given investment, 20$ invested at 7% compounded continuously for 4 years

Explain why all 7-digit pointy numbers that are divisible by 3 must have their first digit divisible by 3.

Vertex y=x^2-6x

A 1,000 m area is to be worked with an Agria tiller. The working width of the machine is 1 m, the working speed should be 1 km/h. How long does the work process take? (excluding turning times at the edge of the field)