MathMaster

4.9

4.8

4.7

4.6

Since one of the three integers whose product is (-60) is (+4), write the values that two integers can take.

A normally distributed population has a mean of 118 with a standard deviation of 18. What score separates the lowest 72% of the distribution from the rest of the scores?

calculate the following vector based on its base vectors a= -18i,26j

10.Silvana must knit a blanket in 9 days. Knitting 8 hours a day, at the end of the fifth day, only 2/5 of the blanket was done. To be able to finish on time, how many hours will Silvana have to knit per day?

5/8 x 64

8x-(5-x)

One contestant on a game show has 1,500 points and another contestant has -250 points. What is the difference between the scores of the contestants?

12-6x=4x+2

The sum of an infinite geometric series is 13,5 The sum of the same series, calculated from the third term is 1,5. Q. Calculate r if r>0.

431414-1*(11111-1)-4*(5*3)

A car tire can rotate at a frequency of 3000 revolutions per minute. Given that a typical tire radius is 0.5 m, what is the centripetal acceleration of the tire?

5(4x+3)=75

-6(3x-4)=-6

11(4x-9)= -319

A circular park has a diameter of 150ft. A circular fence is to be placed on the edge of this park. Calculate the cost of fencing this park if the rate charged is $7 per foot. Use π = 3.14.

5 squirrels were found to have an average weight of 9.3 ounces with a sample standard deviation is 1.1. Find the 95% confidence interval of the true mean weight

A college believes that 22% of applicants to that school have parents who have remarried. How large a sample is needed to estimate the true proportion of students who have parents who have remarried to within 5 percentage points?

A software company incurs a cost of $50 per license sold plus $5,000 in fixed costs. How many licenses should you sell to minimize total costs?

Y=-x^2-8x-15 X=-7

-6n+5=-13