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iVinArrow [24]
3 years ago
11

My cousin goes to a strange schools. It's called Geometric Middle School. My cousin's math project is to determine how many tile

s will be needed to tile the whole floor if the cafeteria is to have sides that are 12 feet long. He sent me the information and he wants my help. What is the answer?
A hexagon that is one foot long, uses 6 tiles
A hexagon with sides two feet long uses 24 tiles
Mathematics
1 answer:
Anon25 [30]3 years ago
4 0
Area of trapezoid  = (1/2) (b1 + b2) h
                             = (1/2) x  (12 + 24) x 6 sqrt 3
                             =   108 sqrt 3

area of Hexagon = 2 x Area of trapezoid
                            = 2 x 108 sqrt 3
                            = 216 sqrt 3

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A triangle has side lengths of 7 in., 9 in., and 11 in. Determine whether this is a right triangle and why.
Harlamova29_29 [7]

Answer:

Not a right triangle.  See below for my reasoning.


Step-by-step explanation:

If this is a right triangle, then the sum of the squares of the two shorter sides will equal the square of the longest side:  7^2 + 9^2 = 11^2 => 49 + 81 = 121   But this is false.

8 0
3 years ago
Write the numbers -2.1, -1 5/6, -1 2/3 and -2.2 in the form a/b from greatest to least
Airida [17]

Answer:

-1 5/6, 1 2/3, -2.1, -2.2

Step-by-step explanation:

Rember the numbers are neggative, then convert -1 2/3 to -1 4/6.

4 0
3 years ago
Your local bakery offers you a job as a cake maker for an annual salary of $27,300 (source
Svet_ta [14]
If $27,300=one year
$2,275=one month
$568.75=one week

How to get these answers are
27,300/12= 2,275
2,275/4= 568.75 :)
4 0
3 years ago
You work for a horse farrier. You take a random sample of 75 Quarter Horses and determine that their mean height is 15.2 hands.
Evgesh-ka [11]

Answer:

B) You conclude that the mean height of all Quarter Horses is close to 15.2 hands

Step-by-step explanation:

5 0
3 years ago
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The archway to the entrance of an art gallery can be model by y= -1/3(x-5)(x+5) where x and y are measured in feet. The x-axis r
NikAS [45]

Answer:

x=5 feet

Step-by-step explanation:

At floor level y=0

If the expression is:

0=1/3(x-5)(x+5)\\0=1/3(x^2-25)\\0=1/3x^2-25/3\\25/3=1/3x^2\\25=x^2\\x=5

But, with the negative sign, the answer is x= 5i (where i is imaginary)

3 0
3 years ago
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