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Effectus [21]
3 years ago
6

Find the area of the cicle.Use 3.14 for pi for 28 in

Mathematics
1 answer:
murzikaleks [220]3 years ago
3 0

Answer:

<h2>i think its 276.20</h2>

Step-by-step explanation:

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A bag contains 3 blue cards, 8 green cards, 12 red cards, and 4 yellow cards. You randomly choose a card.
AleksAgata [21]

Answer:

3/27 for blue 8/27 green and 4/ 27 yellow for red its 12/27 to find the percent divide both numbers the smaller first  

Step-by-step explanation:

4 0
3 years ago
I need help with #8 and #9 Please! :)<br> I will mark as brainliest!
k0ka [10]

Answer:

see explanation

Step-by-step explanation:

(8)

the common ratio r,  of a geometric sequence is

r = \frac{a_{2} }{a_{1} } = \frac{a_{3} }{a_{2} } = ......

r = \frac{\frac{1}{32} }{\frac{1}{256} } = \frac{\frac{1}{4} }{\frac{1}{32} } = 8

(9)

The simplest way to evaluate the sum is to substitute k = 3, 4, 5, 6 into each term and sum them

(- 9 + 20) + (- 12 + 20) + (- 15 + 20) + (- 18 + 20)

= 11 + 8 + 5 + 2 = 26


6 0
3 years ago
What is the measure of each exterior angle of a regular polygon with 12 sides?
Vadim26 [7]
A polygon<span> has as many interior </span>angles<span> as sides. An equilateral triangle has three equal 60 </span>degree angles<span>. The </span>sum<span> of the </span>angles<span> of this and any triangle is </span>180 degrees<span>.The </span>sum<span> of the four interior </span>angles<span> of a square is 360 </span>degrees<span>, which is the same for any quadrilateral.</span>
8 0
3 years ago
S the standard deviation of the sample a good estimate of the variation of salaries of tv personalities in​ general?
ziro4ka [17]
The answer is No because the sample is not representative of the whole population. The standard deviation of the sample is not a good estimate of the variation of the salaries of the TV personalities in general because a single sample is not counted as a whole. Standard Deviation is a quantity that is calculated to indicate the extent of deviation of the population or group as a whole. Standard deviation also represented by the symbol σ means sigma in Greek letter or s in Latin letter. It is also the measurement of a set of data values that are used to quantify the amount of variation.
3 0
3 years ago
In order for the parallelogram to be a rhombus x = ?
Zina [86]

Answer: x= 207.8873386

Step-by-step explanation:

expecting both 2x-15 and 3x are angles in radiant, let's draw a rhombus ABCD

∠ABC = 2x-15

∠ BCD = 3x

∠ABC + < BCD= π ( 180° in radiant)

2x - 15 + 3x = π

5x - 15 = π

x - 3 = 1/5π

= 3.628318531 = 207.8873386

2x−15°+3x=180

5x-15°=180

5x=195°

x=39°

7 0
3 years ago
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