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kicyunya [14]
3 years ago
11

Please help with this math problem!

Mathematics
1 answer:
stepladder [879]3 years ago
6 0
Y=6x^2 -5x+6 ( the first option )
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A circle is increased to have a circumference that is 4 times larger than the original. Which of the following options best desc
kogti [31]
Area of a circle is directly proportional to the square of radius of the circle while the circumference is proportional to the radius of the circle. This means that if the radius of a circle is increased x times, then its area will be increased to x^2 times the original area, and the circumference will increase to x times the original circumference.

Thus when the radius is doubled, or in other words if radius mad 2 time the original radius, the area of circle will become 2^2 = 4 time the original area. The circumference will become 2 times the original circumference.

We can calculate exact area and circumference of a circle from its radius using the following equations:

Area of circle = (pi/4)*r^2

Circumference of circle = 2*pi*r

Where r is the radius of the circle.

I know this is a lot, sorry.
3 0
3 years ago
Lois has five blue plates and ten red plates what percent of her plate collection is blue
Dvinal [7]
There are 15 articles of clothing
5 are blue and 10 are red

5/15 will give you a percent which is your answer

Answer 0.333333333
5 0
3 years ago
The problem is in the picture.
Semmy [17]

Answer:

  • an = 5 + 10(n -1)
  • a7 = 65

Step-by-step explanation:

The explicit formula for the n-th term of an arithmetic sequence is ...

  an = a1 + d(n -1)

where a1 is the first term and d is the common difference.

The sequence of seat counts has a1=5 and d=10, so the explicit formula is ...

  an = 5 +10(n -1)

___

The 7th term is ...

  a7 = 5 +10(7 -1) = 65

5 0
3 years ago
Someone help ASAP<br> serious answers only or i will report
nadezda [96]
T represents hours, so if c(1.5)=c(t) as it mentioned in the problem, then 1.5 equals hours, and c represents cost, so if cost + time equals nine then I think it's a
3 0
3 years ago
Can anybody help please i will help them also if they help me
kotegsom [21]
2- 54:81, 54/81
3- 0:101, 0/101
4- 13.5:43.8, 13.5/43.8
8 0
2 years ago
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