11/09/19

Velocity stone question with specific numbers

the height, in feet, of a stone thrown vertically upward from 44ft above ground level with an initial velocity of 40ft/s is h=-16t^2+40t+44. What is the velocity of the stone when it is 20ft above... more

11/09/19

Question 8 involves statistics

A normal distribution is observed from the body weights of the forty students in a class. If the mean is 125 pounds and the standard deviation is 9 pounds, what is the probability that a randomly... more

11/08/19

translation 10 units down of f(x)=x^2

11/08/19

Write and solve a system of equations

The sum of 5 times the width of a rectangle and twice it’s length is 26 units. The difference of 15 times the width and three times the length is 6 units. Write and solve a system of equations to... more

11/07/19

5 times a number minus 7 is less than 118

11/07/19

what will 68% of the clients score between?

A career counselor gives all of her new clients a measure of career maturity that scores people on a 100 point scale from 1-100. After collecting data on over 100 clients, she notices that... more

11/07/19

what will the scores be between?

A career counselor gives all of her new clients a measure of career maturity that scores people on a 100 point scale from 1-100. After collecting data on over 100 clients, she notices that the... more

A particle moves according to the law of motion......

A particle moves according to the law of motion s= t^3 - 8t^2 + 3t, t ≥ 0,where t is measured in seconds and s in feet.a) find the velocity at time t.b) what is the velocity after 3 seconds?These... more

11/07/19

finding probability

Find the indicated probabilitygivenP(A)=45%P(B)=55%P(A and B)=35%P(A or B)=

11/06/19

p varies directly as q, and p = 1 when q= 1 10

11/06/19

Problem solving

Samantha needs 4/5 yard of fabric to make costumes for the school play. Write and solve an equation to find how many costumes she caN make with 8 yards of fabric

11/06/19

complete the table to find the y value

y=2x-3x. 2x-3. y01234

Sum and Difference Formulas

Express cos(60°)cos(-20°)-sin(60°)sin(-20°) as a function of a single angle.

11/05/19

Calculus help, word problems are my weakness

A rectangular solid with a square base has a surface area of 100 square cm. Find the dimensions that will result in a solid with maximum volume.

11/05/19

Word Problems using Systems

The perimeter of a playing field is 302 yards. Its length is 7 yards longer than three times its width. What is the area of the playing field.

11/05/19

Tell whether the sequence is arithmetic.if it is, identify the common difference

-7,-3,1,5 need it fast

What is the answer to the equation?

What is the answer?2 5/8x-34=50= ?

11/04/19

For the pair of functions find the indicated difference

F(x)=9x-4,g(x)=7x-9find (f-g)(x)

11/04/19

Tangent Line and Circle

Find the values of c such that the line with equation y=2x+c is a tangent to the circle with equation x^2+y^2=25.

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