Ella and Kate played basketball last year. Ella scored 16 points per game. Kate's total points for the season were 22 less than Ella's. The following expression shows Kate's total points: 16z-22 In the expression what does the variable z represent?

Answers

Answer 1

Answer:

The total number of games!

Answer 2

Answer: In the given, it is stated that Ella scored 16 points per game and that the total points of Kate were 22 less than Ella's.

If we wish to get Kate's total points and letting x as the total number of games and y as the total points, then
y = 16x - 22

Therefore, z = x, and z is the total number of games.

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4. Jeff and his brother Joe are saving moneyto buy a video game that costs $52. Jeff
earns $8 each week mowing lawns and
spends $2 of it. Joe earns $10 each week
and spends $3 of it. Which expression can
be used to find out how many weeks it will
take for them to save for the video game?
52-[(8 + 2) - (10 + 3)]
b. 52 [(8-2) - (0 - 3)]
52 +[(8-2) + (10 - 3)]
d. 52 + [(8 + 2) + (10 + 3)1
a.

Answers

Answer:

52/[(8 - 2) + (10 - 3)]

Step-by-step explanation:

Jeff earns $8 and spends $2 each week.

Each week he keeps (8 - 2).

Joe earns $10 and spends $ each week.

Each week he keeps (10 - 3).

The total amount they keep each week is

(8 - 2) + (10 - 3).

If you divide the cost of the game by the amount they keep each week, you get the number of weeks.

Answer: 52/[(8 - 2) + (10 - 3)]

Percy solved the equation x2 + 7x + 12 = 12. His work is shown below. Is Percy correct? Explain.

Answers

Percy is not correct because he applied the zero product property to a factored expression that was not equal to 0. He should have subtracted 12 from both sides to get x2 + 7x = 0 before factoring. The correct solutions are 0 and -7

What does Percy's work look like?

Which representation does NOT show y as a function of x

Answers

C does not show y as a function of X

Plug in method?I am trying to use the plug in method and I did that but then was not sure how to solve the problem after plugging in numbers.

Answers

Well, the picture is cut off below choice-C, and the whole thing is
very confusing to try and read because of trying to do all of your
work in the holes and spaces around the choices. So I'm just
going to ignore all of that, take the question, and work with it.

-- price of one book = k
-- total income if 1 book is sold = 1 · k
-- total income if 2 books are sold = 2 · k
-- total income if 100 books are sold = 100 · k

-- number of books for sale = 2b
-- total income if they're all sold = 2b · k
-- actual number that were sold = (2b - y)
-- actual total income = (2b - y) · k

You don't start with plugging in numbers. This is just testing whether you can find the right equation to plug numbers into.

the equation would be k(2b-y): he has 2b books, they sell for k each--> k*2b, but y books did not sell for k, so it's now k(2b-y)

the answer is A but I hope you understand the process now.

The graphs of f(x) and g(x) are shown below:graph of function f of x open upward and has its vertex at negative 7, 0. Graph of function g of x opens upward and has its vertex at negative 5, 0

If f(x) = (x + 7)^2, which of the following is g(x) based on the translation?

g(x) = (x + 5^)2

g(x) = (x − 5)^2

g(x) = (x − 9)^2

g(x) = (x + 9)^2

Answers

Answer:

The equation for g(x) is:

g(x)=(x+5)^2

Step-by-step explanation:

We are given the information about the graph of the function f(x) and g(x) as:

graph of function f of x open upward and has its vertex at (-7,0).

Graph of function g of x opens upward and has its vertex at (-5,0).

If f(x) = (x + 7)^2; which is a parabola with vertex at (-7,0).

Also as g(x) is formed by the translation of the function f(x) so it will also be a quadratic function such that it's vertex is (-5,0).

so, the equation of g(x) will be:

g(x)=(x+5)^2.

Hence, the translation is a shift of the function f(x) 2 units to the right.

The right answer for the question that is being asked and shown above is that: "g(x) = (x − 5)^2" If f(x) = (x + 7)^2, the expression that is g(x) based on the translation is that g(x) = (x − 5)^2

It takes Franklin 14 hours to make a 200-square-foot cement patio. It takes Scott 10 hours to make the same size patio. Which equation can be used to find x, the number of hours it would take Franklin and Scott to make the patio together?it needs to be an equation.