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azamat
2 years ago
10

PLEASE HELP MEHHHH! ITS IN MATHHH

Mathematics
1 answer:
Alex787 [66]2 years ago
3 0

Answer:

Step-by-step explanation:

First page = 2 x 4.5 x 3 = 27 square feet.

Second page = 15 x 20 x 9 x 2 = 5400 cubic cmm

Third page = I'm sorry, I'm not really sure.

Fourth page = 52.5 cubic meters

Fifth page = I'm sorry, I'm not too sure...

Hope that helps!

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Norma-Jean [14]

Answer:

5 ft

Step-by-step explanation:

When we draw out our triangle, we should see that we have a right triangle and we need to solve for a leg:

Pythagorean Theorem: a² + b² = c²

12² + b² = 13²

144 + b² = 169

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b = 5

7 0
3 years ago
The diagram shows 3 identical circles inside a rectangle.
Ilya [14]

Answer:

11700 mm²

Step-by-step explanation:

A rectangle is a quadrilateral with two equal, opposite and parallel sides. Each of the angles in a rectangle is 90°.

The horizontal distance of the rectangle = r + r + r + r = 4r

The vertical distance = r + h + r = 2r + h

Where h is the distance between the midpoint of the 2 up circles and the midpoint of the down circle.

Using Pythagoras:

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h² + r² = 4r²

h² = 3r²

h = √3r²

h = r√3

Vertical distance = 2r + h = 2r + r√3

Area of rectangle = vertical distance * horizontal distance

Area = 4r * (2r + r√3) = 8r² + 4r²√3 = 4r²(2 + √3)

Substituting:

Area = 4r²(2 + √3) = 4(28²)(2 + √3) = 11703.711 mm²

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2 years ago
Interval points less than -1
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Ini bahasa apa ya saya tidak tahu
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3 years ago
Write the absolute value equation that has two solutions x=5 and x=11
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Answer:

|8-x|=3

Step-by-step explanation:

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4 0
3 years ago
There are 150 calories in a cup of whole milk and only 80 in a cup of skim milk. In switching to skim milk, find the percent dec
ss7ja [257]

Answer:

53.3%

Step-by-step explanation:

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3 years ago
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