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Law Incorporation [45]
3 years ago
12

If a box of 100 pencils cost $4.75, what should you expect to pay for 225 pencils?

Mathematics
1 answer:
frez [133]3 years ago
5 0

the answer is 10.6875 you divide 4. 75 and the number 100 them multiply your answer by 225  

glad to help any time





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The 2 main support rods for a barbeque grill are each 7.5 cm from the centre of the
sukhopar [10]

Answer:

  58.1 cm

Step-by-step explanation:

The length of each support rod can be found using the Pythagorean theorem. The geometry can be modeled by a right triangle, such that the distance from centre is one leg and half the length of the rod is the other leg of a triangle with hypotenuse equal to the radius of the grill.

__

<h3>Pythagorean theorem</h3>

The theorem tells us that the sum of the squares of the legs of a right triangle is the square of the hypotenuse. For legs a, b and hypotenuse c, this is ...

  c² = a² +b²

<h3>application</h3>

For the geometry of the grill, we can define a=7.5 and c=30. Then b will be half the length of the support rod.

  30² = 7.5 +b²

  b² = 900 -56.25 = 843.75

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The length of each support rod is twice this value, so ...

  rod length = 2b = 2(29.0473) = 58.0947

Each support rod is about 58.1 cm long.

7 0
1 year ago
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kolezko [41]

Answer:

C.

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2 years ago
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hodyreva [135]
The answer is 
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Answer:

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3 years ago
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