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xxTIMURxx [149]
3 years ago
12

1st Step: 3 - 4x - 7 = -24 2nd Step: 3- 7 - 4x = -24 What property justifies the 2nd step

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
3 0

Answer:

the subtraction

Step-by-step explanation:

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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

  b = √843.75 ≈ 29.0473

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.

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1 year ago
The volume of the sphere is 500/3 pi
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This question is already answered......
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Simplify:
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2 years ago
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Can someone double-check whether I am right or wrong?
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You’re right, both of the pairs are similar
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2 years ago
Write a fraction less than 1 with a denominator of 6 that is greater than 3/4
Marizza181 [45]
\frac{5}{6} is a fraction with the denominator 6. It is less than one (5/6 = 0.83 [rounded]. 0.83 is less than 1) but greater than \frac{3}{4} (3/4 = 0.75. 0.75 is less than 0.83)

Note: To turn a fraction into a decimal you simply divide the numerator by denominator. (\frac{numerator}{denominator} → numerator/denominator → (decimal)
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