Robert wants to install windows in a bus barn to improve the airflow in the summer months. If Robert makes his own screens, he can save money. To have screen material to fold over the window frame, Robert needs to cut 5 1/2 foot by 5 1/2 foot squares. The back wall by the offices requires four windows. For a good cross-flow of air, Robert will build five windows on each of the other two walls of the barn. How many square inches of screen will be needed for all of the windows?Im helping my younger brother with his home work.

Answers

Answer 1

Answer: well since the area of one screen in 11 ft2 you would times it by 4 which is 44
and 5 which is 55 twice so its actually 154 ft2
hope this helps
(If I got it wrong plz tell me, I think I got it right, but just in case)

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Find the product. (x - 7)(y - 9)

Answers

Answer: $xy-9x-7y+63$

Step-by-step explanation:

The given expression: $(x - 7)(y - 9)$

We know that the distributive property is given by :-

$a(b+c)=ab+ac$ [Left side]

$OR\n\n(b+c)a=ba+ca$ [Right side]

So applying the distributive property(Left sides) in the above expression, we get

$(x - 7)y - (x - 7)9)$

Again applying the distributive property (Right side) in the above expression, we get

$= xy - 7y- 9x +(7)(9)\n\nxy-9x-7y+63$

(x - 7)(y - 9)

x*(y - 9) - 7*(y - 9)

x*y - x*9 - 7*y -7*(-9)

xy - 9x - 7y + 63

That's the product.

3x^4-6x^3-32x^2+35x-12=0

Answers

this is a hard one
just try to factor out the same numbers

I used my calculator and got (x-4)(x+3)(3x^3-3x+1)

A square piece of paper has a side measure of 6 inches. What is the perimeter of thepaper?
CLEAR
CHECK
12 inches
18 inches
24 inches
36 inches
What is the answer

Answers

Answer: 24 inches

Step-by-step explanation:square has 4 sides, so you can do 6+6+6+6 or 6x4 and you get 24

Answer:

Step-by-step explanation:

each side of the square is equal, 6 + 6 + 6 + 6 = 24

A dartboard has a diameter of 18 inches.What are its radius and circumference?

Answers

Diameter of the dartboard as given in the question = 18 inches
Then
Radius of the dartboard will be = 18/2 inches
      = 9 inches
We already know that
Circumference of a circle = 2πr
We also know that the value of π = 3.14159
Then
Circumference of the dartboard = 2 * 3.14159 * 9 inches
      = 56.548 inches
      = 56.55 inches
So the radius of the dartboard is 9 inches and the circumference of the dartboard is 56.55 inches. I hope the procedure is absolutely clear to you.

Find all the zeros of the equation. 27x2-324=-x4

Answers

Well, if I remember correctly, Zeroes just mean the x values. But I can't tell where your equation breaks apart; like which parts are which parts of the equation

Whats is six over 9 + 1 over 3

Answers

Step-by-step explanation:

6/9 + 1/3

= 6/9 + 3/9

= 9/9

= 1.

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A two-way frequency table is shown below that displays the relationship between age and preferred soft drink. We took a sample of 100 people and recorded the following results:Cola Rootbeer Dr. Fizz Total 10–25 years 10 5 20 35 26–40 years 15 10 10 35 41–55 years 20 10 0 30 Total 45 25 30 100 What is the probability (rounded to the nearest whole percent) that a randomly selected person is 10 to 25 years old or prefers drinking rootbeer? 60% 55% 10% 5%