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stira [4]
3 years ago
8

Work out the surface area

Mathematics
1 answer:
Fofino [41]3 years ago
8 0

Answer:

189

Step-by-step explanation:

6 imes 4.5divide2

13.5

13.5

67.5

54

40.5

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A cylinder has a height of 7 in. and a diameter of 6 in. What is the volume of the cylinder to the nearest cubic inch? V = 66 in
Natalija [7]

Answer:

The answer is

<h2>V = 198 in³</h2>

Step-by-step explanation:

Volume of a cylinder = πr²h

where

h is the height

r is the radius

From the question

h = 7 in

To calculate the radius from the diameter we use the formula

radius = diameter/2

From the question

diameter = 6

radius = 6/2 = 3 in

Volume of the cylinder is

(3)²(7)π

= 9(7)π

= 63π

= 197.9203

We have the final answer as

<h3>V = 198 in³ to the nearest cubic inch</h3>

Hope this helps you

6 0
2 years ago
Simplify<br> (8 + 201) + (-17+41)
stepan [7]

Answer:

233

Step-by-step explanation:

6 0
3 years ago
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Find the area of a parallelogram with a base of 12cm and a height of 5cm. Giving your answer in square meters​
Bond [772]
The answer will be 0.6Meters
5 0
2 years ago
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Which expression is equivalent to 13b+23b−56(b+1)?
ale4655 [162]
Start by combining LIKE-TERMS. 13b AND 23 are LIKE-TERMS because they have the same variable (B) and numbers. Remember PEMDAS OR Please Excuse My Dear Aunt Sally. (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction). There is also FOIL (First, Inside, Outside, Last). Because we will start with Parenthesis(Use the FOIL method because the 56 is part of the parentheses) first, (-56 x b[first part of the set]) = -56b  THEN (-56 x [+ {always carry the sign, this shows that it is positive}]1) = -56

Now we have 13b+23b -56b-56
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                     = -20b    - 56
       This is your final equation because THESE ARE NOT LIKE-TERMS, therefore, they CANNOT be combined
7 0
3 years ago
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What is the narrowest definition of the number -6?
Free_Kalibri [48]
The exact opposite of positive 6 is the ansewer
8 0
3 years ago
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