10/21/19

State if the following question is a function or not a function.

f(x)=±√x-5 Is it a function or not a function?

10/21/19

What's the equation for this? (0, 15) and (5, 3)

The original says to find the equation for the line that satisfies the conditions. It's problem 15, and it exactly says, "Passes through (0,15) and (5,3)" Help please?

10/20/19

Set up an equation that models the numbers Lucas is trying to find

Lucas is trying to find three consecutive, positive integers such that five times the largest is equal to the sum of the smaller two integers

10/20/19

How to Translate a Sentence into an Equation.

I don't understand what the inverse is:The distance a dropped item falls is inversely proportional to the square of the time it falls.

10/20/19

How long does it take to reach maximum height? (Round your answer to three decimal places.)

A ball is thrown in the air from the top of a building. Its height, in meters above ground, as a function of time, in seconds, is given by h(t) = −4.9t2 + 22t + 6

10/19/19

Evaluating functions

F(×)=-x2 +5x +13 find f(7)

Use the given volume of a box and its length and width to express the height of the box algebraically. (Simplify your answer completely.)

Use the given volume of a box and its length and width to express the height of the box algebraically. (Simplify your answer completely.)Volume is 10x3 + 47x2 + 16x − 48,  length is 5x − 4,  width... more

Can someone please help me?

Does anyone know what topics need to be focused on for these two questions for an essay? I am not sure what to write.. 1.) Consider the contributions of the ‘philosophes’ especially Denis Diderot.... more

10/18/19

rate of wind problem

Flying a plane with the wind took 6 hours to go 720 miles. On thereturn trip against the wind the plane took 9 hours. How long wouldit take the plane flying at the same speed with no wind?

10/18/19

Solving a value mixture problem using a linear equation

Pablo's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Pablo $5.80 per pound, and type B coffee costs $4.35 per pound. This month, Pablo made 143 pounds of... more

10/18/19

Help with when prices will become equal

One medicine costs $47.53 for a 10-day supply. One medicine costs $63.77 for a 14-day supply. After how many days will the total prices for the two medicines become the same?

What are the calculation steps to simplify using laws of exponents of 18a^2 b^3 / 6ab and 2w^4 * 3w and 3a^ -2b)^2 ?

I know the answer is 3ab^2 but I don't get how. Because I thought you are only supposed to add the exponents 2 and 3 and it would be 3ab^5.Additionally, the answer for the second question is 6w^5,... more

Three pumps can empty a 30-gallon tank in 45 minutes. How many pumps are required to empty a 120-gallon tank in 1 hour?

I know what the answer is to this question (9) but I don't understand how to build a rate equation around this question so that I might answer similar questions in the future.

10/18/19

Answer to word problem

Chef Graham needs to make 34 pounds of a cashew almond mixture that sells for $8.50 per pound. If cashews sell for $5.25 per pound and almonds sell for $9.55 per pound, how many pounds of each must... more

10/17/19

FUNCTIONS: In the space provided, type the answer in descending order as it applies without any spaces between the letters, numbers, or symbols

Type the composition  of the given functions:f(x) = x2 + 2x − 6 and g(x) = x + 5.

10/17/19

EQUATION: Find the equation of the line using the given information. Type the answer in slope-intercept form without any spaces between the letters, numbers, or symbols.

Find the equation of the line perpendicular to y = 2x + 6 and passing through (4, 5).

10/17/19

The width of a rectangle is 15 inches less than three times its length. If the perimeter is 26 inches, what is the area of the rectangle?

Set up an equation and solve. The rectangle is 15in less than three times its length. If the perimeter us 26in, find the area.

10/17/19

EQUATION: Find the equation of the line using the given information. Type the answer in slope-intercept form without any spaces between the letters, numbers, or symbols.

Find the equation of the line parallel to y = 2x + 6 and passing through (4, 5).

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