05/15/20

dimensional analysis

Each year, approximately (1.8 x 107 bales or 9.0 x 108 lb) of cotton are harvested in the United States. A field planted with cotton can produce 7.0 x 102 lb for each acre of land. The fabric... more

05/15/20

Show that there is no value of x for which f(x) = -1/x and g(x)= -x^5 have tangents with the same slope.

Chapter 2 of Calculus Hey i’ve got this homework question in which i’m having trouble with

05/15/20

The difference between these two numbers is 377. What are the numbers?

The numbers are 2 9 4 3 6 7

Perfect Square Questions Part 2

Explain why it makes sense to call the expression x^2 + 20x + 100 a perfect square. Solve x^2 + 20x + 100 = 81 Please help, I do not understand. Your assistance is very appreciated!

05/15/20

Calculus question

Hafsa is bored and is pouring sand onto the floor. The poured-out sand forms a conical pile whose height is three-quarters of its radius and whose height is growing at a rate of 1.5 cm per second.... more

05/14/20

Find the rate of change for f(x) = 2 / (x+3) when x = 4

05/14/20

how do I solve this?

A function f has a second derivative f''(x)=(x+2)x^2(x-1)^3(-4)^4. For which values of x does the function have inflection points.

Finding the value of x using the Pythagorean Theory

For what value of x is the triangle a right triangle?A= x+3B= 9C ( hypotenuse) = x+6Find the value of x

Simplify: 3+i/-3+i

05/14/20

Find x-and y-intercepts of the rational function.

S(x)= 4x/x-6x-intercept (x,y)=?y-intercept (x,y)=?

05/13/20

what is relationship between the zeros of the quadratic function and the linear factors of the expression?

I don't understand the relation ship between the two.it would be a big help so I can make a short summary of the relationship.

Please help need a picture of this please

You are driving on a course of 105˚. A radio station that is due East and 30 miles away from your current location puts out a signal with a 25 mile radius. If you continue on your 105˚ course,... more

05/12/20

How do you solve tan(30degrees)= h|40-x

write an expression for h in terms of x

05/12/20

Question on Newton's Second Law

A motorist has a reaction time of 0.600 s. While driving at 20.0 m/s, he sees a child run suddenly onto the road, 40.0 m in front of his car. If the mass of the car is 1000 kg and the average... more

05/12/20

Find the area of the region bounded by the curves y = x2 − 1 and y = cos(x). Give your answer correct to 2 decimal places.

Find the area of the region bounded by the curves y = x2 − 1 and y = cos(x). Give your answer correct to 2 decimal places.

05/11/20

Extraneous Solution

Find the extraneous solution of the equation |4x-42|=-10x

05/11/20

State the other 5 trigonometric ratios for each acute angle T

Cos T = 4/9State the other 5 trigonometric ratios for each acute angle T

Please Help Me With These Two Way Tables For Math!!!

The two way table below shows the amount of time students spent studying for their Chemistry test and the grade they earned on the test. 0 - 50  51 - 70  71 - 90 91 - 100 Totals 0 - 1... more

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