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sdas [7]
1 year ago
13

Find the area of a circle with diameter, d = 3.3m. give your answer rounded to 1 dp.

Mathematics
1 answer:
SSSSS [86.1K]1 year ago
8 0

Answer:

Step-by-step explanation:

the area of a circle is πr²

r being the radius, which is equal to half the diameter

3.3/2= 1.65

π(1.65)²=8.6m

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a pay for service internet company charges 5 per hour for the first 3 hours of Service Plus a $10 connection fee
Marysya12 [62]

If you are charging 5 per hour  use h to determine how many hours and add 10 for the connection fee

5h+10

3 0
3 years ago
Which of the following expressions can you multiply using the FOIL Method? Check all that apply. Please Hurry. 50 points!!
Helen [10]

Answer: the answers are

(x+a)(x-b)

(3x-2)(x+4)

Step-by-step explanation: i took the test and got it right hope this helps!

8 0
2 years ago
8) The perimeter of a rectangle is 20x2 + xy - 7y2 and one of it's sides is
Sedbober [7]

Answer:

3x^2 + 3xy/2 - 7xy^2/2

Step-by-step explanation:

So we know the perimeter is 20x^2 + xy - 7y^2,

To find any perimeter you need 2l + 2w = P so,

One of the sides is 7x^2 - xy

First plug in the values,

2(7x^2-xy) + 2w = 20x^2 + xy - 7y^2

Multiply,

14x^2-2xy + 2w = 20x^2 + xy - 7y^2

Subtract,

14x^2 - 2xy - 14x^2 + 2xy + 2w = 20x^2 + xy - 7y^2 - 14x^2 + 2xy

2w = 6x^2 + 3xy - 7y^2

w = 3x^2 + 3xy/2 - 7xy^2/2

5 0
3 years ago
You are attempting to make a scale drawing of your room. The actual size of your room is 12 feet
olga2289 [7]

Answer:

width = 8 inches

length = 10 inches

Step-by-step explanation:

width= 12/1.5

= 8

length = 15/1.5

= 10

6 0
3 years ago
A square has an area of 196 square centimeters. What is the length of each side?
kozerog [31]

Answer:

The answer is simply 49.

Step-by-step explanation:

196 ÷ 4 is why because their are 4 sides on a square if you divide it by 4 you get the answer 49. You're probably in like 3rd grade or smth this is so easy.

7 0
2 years ago
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