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jekas [21]
3 years ago
11

Cylinder A has a radius of 7 inches and a height of 5 inches. Cylinder B has a volume of 490π. What is the percentage change in

volume from cylinder A to cylinder B?
50% decrease
75% increase
150% decrease
100% increase
Mathematics
2 answers:
Verizon [17]3 years ago
7 0

100% increase :D

i took the test

sergejj [24]3 years ago
4 0

Answer:

50% decrease

Step-by-step explanation:

I took the test

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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.

7 0
1 year ago
A three-letter word used to show division in a word problem.
Grace [21]
A three-letter word used to show division in a word problem is PER.
7 0
3 years ago
Read 2 more answers
I’ve been stuck on this for awhile please I need help
ankoles [38]

Answer:

y = 96°

Step-by-step explanation:

The measure of the inscribed angle y is half the measure of its intercepted arc.

The whole circle = 360°

the intercepted arc = 360° - 168° = 192°

Thus

y = \frac{1}{2} × 192° = 96°

7 0
3 years ago
Drake's yard measures 24 feet by 30 feet. His garden, which is part of the yard, measures 3 feet by 9 feet. What is the area of
tia_tia [17]
720 squared ft

I hope this helps:)
7 0
3 years ago
If AOB = 70° and OC is the bisector of AOB then what is the measure of AOC?​
Sonja [21]
<h3>Answer:  35°</h3>

Reason: The angle bisector cuts the original angle (70°) in half to get 70/2 = 35.

6 0
3 years ago
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