(picture)
complete it

Answers

Answer 1

Answer:

Answer:

749, 715, 710

Step-by-step explaination:

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The area of a rectangle is x2 - 2x - 15 and the length of the rectangle is x + 3. Find the width of the rectangle.

Answers

Area of the rectangle= L* w
$x^(2) -2x-15$
On expanding;
$x^(2) -5x+3x-15$
=x(x-5)+3(x-5)
=(x+3)(x-5)
The width is (x-5)

Answer:

Width of the rectangle is (x-5)

Step-by-step explanation:

We know that, the product of length and width gives the area of the rectangle.

The area of a rectangle is given as,

$\Rightarrow \text{Area of rectangle}=\text{Length}* \text{Width}$

$\Rightarrow \text{Width}=\frac{\text{Area of rectangle}}{\text{Length}}$

Factoring the area,

$=x^2-2x-15$

$=x^2-5x+3x-15$

$=x(x-5)+3(x-5)$

$=(x+3)(x-5)$

Putting it in the equation,

$\Rightarrow \text{Width}=((x+3)(x-5))/((x+3))=(x-5)$

Raffle tickets are being sold for a fundraiser. The relationship between n, number of raffle tickets sold, and A, amount of money in dollars raised, is given by the function below.A(n)=4n-25

What is the equation of the inverse function N(a)?

Answers

If the function is
A(n) = 4n -25

and we wish to get the inverse function N(a)

We let
A(n) = a
n = N(a)

Plugging in the values
a = 4 N(a) - 25

Arranging the equation:
4 N(a) = a + 25
N(a) = (a + 25) /4

The answer is
N(a) = (a + 25) /4

Using the equation below as a model, fill in numbers in the place of a and b to create a rational equation that has an extraneous solution.x plus a over ax = b over x

Part 1. Show all work to solve for x in the equation and check the solution.

Part 2. Explain how to identify the extraneous solution and what it means.

Answers

lets solve the equation step by step:

(x + a)/ax = b/x

therefore: a != 0, x !=0

now we solve:

(x + a)/ax = b/x
(x + a)/a = b
x + a = ab
x = a(b - 1)

that is the solution for b, and we keep in mind that a != 0, x !=0, the extraneous solutions

Solve the percent problem. 6. How much is 40% of $80 ?

Answers

Answer: $30

Step-by-step explanation:

Notice the wording. 40 percent of 80 dollars

of= multiply

1. Turn 40% to decimal.

40% = 0.40

2. Multiply

0.40(80)= 32

So your answer is 30 dollars.

Final answer:

To solve the percentage problem, you multiply $80 by 0.40 (which is the decimal equivalent of 40%). The result is $32.

Explanation:

The question is asking for the value of 40% of $80. To solve this percent problem, you will need to multiply the total amount ($80) by the percentage (40%). However, since the percentage is given as a whole number, you must first convert it to a decimal by dividing by 100. So, 40% becomes 0.40 as a decimal.

To find out what 40% of $80 is, you then multiply $80 by 0.40. Here's the math:

$80 x 0.40 = $32

So, 40% of $80 equals $32.

Learn more about Percentage Calculation here:

brainly.com/question/32197511

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The sale price of shrimp at a local grocery store is $1.15 for the first ounce and $0.95 for each additional ounce. Which function rule shows how the cost of shrimp, y, depends on the number of ounces, x?A - y = 1.15x + 0.95
B - y = (0.95 + 1.15)x
C - y = 0.95x + 1.15
D - y = 0.95(x - 1) + 1.15

Answers

C. y=0.95x+1.15... because 1.15 is the initial cost and 0.95 multiplied by x means x is the number of ounces you purchase after the first.
so say you purchase 5 more ounces then your equation would be
y=(0.95*5)+1.15
but in this case THE ANSWER IS C!

The dimensions of a block are 4m x 3m x 2m and the relative density is 2.7. what is its mass?

Answers

the density is defined as the quotient of the mass by the volume, lets calculate the volume, we have density, we can solve for the mass.
volume = 4*3*2 = 24 m^2
density = mass/volume
mass = density*volume
mass = 2.7*24
mass = 64.8
we don't know the units because we do not know the density units

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