3 years ago

The middle one is the one I need help with

Mathematics

1 answer:

gulaghasi [49]3 years ago

5 0

Answer:

it would be 3x1 or 1x3

Step-by-step explanation:

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Which function models the area of a rectangle with side lengths of 2x - 4 units and x + 1 units?

aalyn [17]

Answer:

Area of rectangle, $f(x)=2x^2-2x-4$ .

Step-by-step explanation:

We are given with side lengths of a rectangle are (2x-4) units and (x+1) units. It is required to find the area of rectangle.

The area of a rectangle is equal to the product of its length and breadth. It is given by :

$A=L\times B$

Let us consider, L = (2x-4) units and B = (x+1) units

Plugging the side lengths in above formula:

$A=(2x-4)\times (x+1)$

$A=2x^2+2x-4x-4\\\\A=2x^2-2x-4$

So, the function that models the area of a rectangle is $f(x)=2x^2-2x-4$ .

5 0

2 years ago

Please help it is multiple choice

Natalka [10]

Answer:

1/2

Step-by-step explanation:

4 0

3 years ago

3 orange picks for every 2 green. if there are 25 picks in all, how many picks are orange?

Marta_Voda [28]

3+2=5
25÷5=5
5×3=15
There are 15 Orange picks.

8 0

3 years ago

Read 2 more answers

What are the solutions to the nonlinear system of equations below?

Sonbull [250]

Substitute y=4x to the second equation:

x^2 + (4x)^2 = 17
x^2 + 16x^2 = 17
17x^2 = 17
x^2 = 17/17
x^2 = 1
x = 1 and -1

When x=1, y=4(1) = 4
When x=-1, y=4(-1) = -4

Thus the solutions would be (1,4) and (-1,-4). That would correspond to D. and A.

5 0

3 years ago

Alex buys a subscription to a streaming site. The function describes the 5.50m c=3+2 cost of the yearly subscription,c, in terms

azamat

Answer:

$5.50 = c = 3 + 5 = 7c \\ \\ then \: divide \: 5.50to \: the7 \\ \\$

Step-by-step explanation:

the answer u will get after

3 0

3 years ago