01/27/19

If 1/a + 1/b = 7 and ab = 1/4 , find 1/a^2 + 1/b^2

don’t solve for a and b specifically, just solve for: 1/a^2 + 1/b^2algebra 2

01/27/19

Given h(x) = 1/(2 e^x + 2)

1. Determine whether ℎ(x) is increasing or decreasing.2. What is the range of ℎ(x)?3. Find an expression for the inverse function ℎ^-1(x).

System of linear equations elimination/substitution

Beth and Aliyah are selling cheesecakes for a school fundraiser.customers can buy French silk cheesecakes and chocolate marble cheesecakes.beth sold 7 French cheescakes and 10 chocolate marble... more

Evaluate the question

Integration upper limit pi/2 and lower limit 0 dx/1+sinx

If 9a²+4b²=37ab,then log (3a-2b)=

01/25/19

answerrrrrrrrrrrrrrrrr

can a unique equation be written given both y-intercept and x-intercept ?

Help with algebra

What is the equation of a line that goes through the point (2,5) and has a slope -3.

01/25/19

Simultaneous equation

Y = 7/xY - 3 = 9/xNeeded by Sunday

01/25/19

What is the sequence

What is the common difference d of the sequence ? -15,-4.7,18,29,....

What is the answer

F(0)=-5;f(n)=f(n-1)+8

math problem words problems

In how many ways can a president and vice president be selected from a club consisting of 5 people?

01/25/19

Help on Advanced Functions

A gardener is planting two types of trees: Type A is 6 feet tall and grows at a rate of 12 inches per year.Type B is 2 feet tall and grows at a rate of 24 inches per year.Algebraically determine... more

Systems of equations with three variables

Through 2004,the Universities of Alabama,Tennessee,and Texas have had the most appearances in college football bowl games. These three schools have had a total of 141 bowl appearances.Alabama has... more

01/25/19

Is this a function? {(6, -6), (7, -7), (3, -3)}

A parabola passes through the points (0,-2),(2,-6) and (5,3). What is the equation of the parabola in standard form?

A parabola passes through the points (0,-2),(2,-6) and (5,3). What is the equation of the parabola in standard form?

01/24/19

The sum of the first n terms , Sn , of a progression is given by 2n^2+3n. Using the formula Tn=Sn-Sn-1,express the nth term,Tn, of the progression in terms of n.

Then, how to show that the progression is an arithmetic progression and find the sum of the terms from the eighth term to the twelfth term, and also find the least value of n such that the sum of... more

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