19,133 Answered Questions for the topic Algebra

Algebra

02/26/22

Find the cost per ounce of a gold alloy made from 15 oz of pure gold that costs $1282 per ounce and 40 oz of an alloy that costs $950 per ounce. (Round your answer to the nearest cent.)

Need help ? Please and thank you Find the cost per ounce of a gold alloy made from 15 oz of pure gold that costs $1282 per ounce and 40 oz of an alloy that costs $950 per ounce. (Round your answer... more
Algebra

02/26/22

How can i solve this problem?

In many epidemics, the cumulative number of cases grows exponentially, at least over a limited time. A recent example is the spread of the Influenza A (H1N1) virus, commonly called the swine flu,... more
Algebra

02/26/22

Slope-intercept equation

The graph of f passes through (-9,-4) and is perpendicular to the line who's equation is x=15.Im not understanding how to get the slope-intercept equation of the function
Algebra

02/26/22

A small publishing company is releasing a new book. The production costs will include a one-time fixed cost for editing and an additional cost for each book printed

A small publishing company is releasing a new book. The production costs will include a one-time fixed cost for editing and an additional cost for each book printed. The total production cost C (in... more
Algebra

02/26/22

Describe how the graph h(x) = 5 - 3^x can be obtained from the graph of the basic exponential function f(x) = 3^x

a. Reflect the graph of f(x) = 3^x across the x axis and shift it up 5 units b. Reflect the graph of f(x) = 3^x across the y axis and shift it up 5 unitsc Reflect the graph of f(x) = 3^x across the... more
Algebra

02/25/22

When f ( x ) = 6 x 2 + 3 x − 5 , evaluate f ( − 1 )

f(−1) =
Algebra

02/25/22

Given f ( x ) = 2 x − 4

a) Evaluate  f(−5)f(-5)=b) Solve f(x)=6x = 
Algebra Math

02/25/22

ΔABC is similar to ΔXYZ. If XY=n, ZY=2n−1, BC=7​, and AB=4​, find n and ZY.

I have no idea how to do this. I got a negative fraction, and feel like it's wrong.
Algebra Algebra 1

02/25/22

A rental company charges $35 per day and .30 per mile your bill is 164$ how many miles did you drive

How many miles did you drive
Algebra

02/25/22

Car rental charges $35 per day plus 30 cents a mile. Your bill for the day is $164 before taxes. How many miles did you drive

Car rental charges $35 per day plus 30 cents per mile. Your bill for the day is $164 before taxes. how many miles did you drive
Algebra Math

02/25/22

How many 1in cilinders can fit in a box that is 11.41" x 8.85" x 6.69"?

Algebra

02/25/22

Given f ( x ) = 7 x + 6

a) Evaluate f( 5 )f(5)=b)  Solve f(x) = -1x =

For each function, determine whether it is a polynomial function.

u(x) = 3x(x+1)(x-4)2 f(x) = 1/x4 - 3x9 +5 h(x) = -x2 + 6x6 v(x) = 6√x Are all the functions polynomials or not?

02/25/22

For the dinner special at a restaurant, the customer must choose a salad, an entree, a side dish, and a dessert. Here are the items to choose from.

Choice  Salad   Southwest, Garden, Caesar   Entree   Grilled chicken, Pot roast, T-bone steak, Lamb, Roast turkey   Side dish   Baked potato, Pinto beans, French... more

02/25/22

Suppose that the functions P and Q are defined as follows.

P(x)= -3x+1Q(x)= -5x-1Find the following.(P×Q)(-4) = ?(Q×P)(-4) = ?

Find a polynomial f(x) of degree 3 that has the following zeros.

0, -9, 5 Leave your answer in factored form.F(x)=?

For each equation, determine whether it represents a direct variation, an inverse variation, or neither. Find the constant of variation when one exists and write it in simplest form.

QUESTION 1-16 = 2xyIs it a direct variationConstant of variation: K =Is it an inverse variationConstant of variation: K =Is it neitherQUESTION 2 5x = 2y+3Is it a direct variationConstant of... more

For each table, determine whether it shows a direct variation. If it does, write its direct variation equation.

X column has 2, 4 and 10Y column has 5, 10 and 25Is it a direct variation?Is it not a direct variation?

For each table, determine whether it shows a direct variation. If it does, write its direct variation equation.

X column has 4, 5, and 9Y column has 5, 6.25 and 11.25Is it a direct variation?Is it not a direct variation?
Algebra

02/24/22

Help with algebra question

F(0)=-2slope of f=7F(x)=
Algebra

02/24/22

Given f ( x ) = | 3 − 5 x | , find the following:

f(11)=f(−4)=f(4)= f(2)=  
Algebra Math Trigonometry

02/24/22

Establish the identity of sin θ(cot θ + tan θ) = sec θ

Write the left side in terms of sine and cosine.sin θ(_______________).Can someone please help? Thank you!

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