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kolbaska11 [484]
2 years ago
5

If one (1) tablespoon equals three (3) teaspoons, how many tablespoons are in 13 teaspoons?

Mathematics
1 answer:
Fittoniya [83]2 years ago
4 0
D. 4 1/3 tablespoons
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cos60=5/zy ??? how do I get rid of the 5? Normally I would multiply by the denominator but that doesn't work here. The end answe
saw5 [17]

cos 60 = 1/2

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2 years ago
The area of a rectangle is 108 m2 and its diagonal is 15 m. Find
Andre45 [30]

Answer:

47.6m.

Step by step solution:

Perimeter of a triangle = base + 2 . length____(1)

Area of a triangle = 1/2 . base . diagonal

108 = 1/2 . base . 15

multiplying both sides by 2:

216 = 15 . base

dividing both sides by 15:

base = 14.4m

But the diagonal divides the triangle into two

right angle triangles each with the same length (hypotenuse),base and diagonal(height).

Taking one right angle triangle:

And using pythagoras theorem;

length² = base² + diagonal ²

length² = 7.2² + 15²

Note: Base of each right angle triangle is 7.2 which would sum up to be 14.4 the base of the full triangle.

length² = 276.84

taking the square root of both sides:

length = 16.6m

Putting the values of the base and length into equation (1).

Perimeter of the triangle = 14.4 + 2 . 16.6

Note: We are dealing with the whole triangle

now hence the base is 14.4m.

Perimeter of the triangle = 14.4 + 33.2 = 47.6m.

6 0
3 years ago
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Archy [21]

Answer: 2450.44 ft

Step-by-step explanation:

Formula for SA of a cylinder: A=2*pi*r*h+2*pi*r^2

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= 2450.44 ft

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3 years ago
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igomit [66]

Answer:

1/7

Step-by-step explanation:

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2 years ago
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6 0
3 years ago
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