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3 years ago

Which one would you pick and why? How much money do you end up with in each class?

Mathematics

1 answer:

telo118 [61]3 years ago

6 0

Answer:

I would choose the 2nd one because you can get $1,000,000 every day and save without spending any money for every 30 days

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Type the correct answer for each.

xxTIMURxx [149]

If point $\left(x,\ \frac{\sqrt{7}}{3}\right)$ is on the unit ircle, then:

$x^2+\left( \frac{ \sqrt{7} }{3} \right)^2=1 \\ \\ \Rightarrow x^2+ \frac{7}{9} =1 \\ \\ \Rightarrow x^2=1- \frac{7}{9} = \frac{2}{9} \\ \\ \Rightarrow x= \sqrt{ \frac{2}{9} } = \frac{ \sqrt{2} }{3}$

Since, the point is in the second quadrant, x is negative.

Thus, $(x,\ y)=\left(x,\ \frac{\sqrt{7}}{3}\right)=\left(-\frac{ \sqrt{2} }{3},\ \frac{\sqrt{7}}{3}\right)$

Part A:

$3 \sqrt{7} =6\left( \frac{ \sqrt{7} }{2} \right) \\ \\ =6\left( \frac{ \sqrt{7} }{3} \cdot \frac{3}{ \sqrt{2} } \right) \\ \\ =6\left( \frac{ \frac{ \sqrt{7} }{3} }{ \frac{ \sqrt{2} }{3} } \right)=-6\left( \frac{ \frac{ \sqrt{7} }{3} }{ -\frac{ \sqrt{2} }{3} } \right) \\ \\ =-6\left( \frac{y}{x} \right)=-6\tan\theta$

Therefore, $-6\tan\theta=3\sqrt{7}$ .

Part B:

$- \frac{ \sqrt{7} }{2} =- \frac{ \sqrt{7} }{3} \cdot \frac{3}{ \sqrt{2} } \\ \\ =- \frac{ \frac{ \sqrt{7} }{3} }{ \frac{ \sqrt{2} }{3} } = \frac{ \frac{ \sqrt{7} }{3} }{ -\frac{ \sqrt{2} }{3} } = \frac{y}{x} \\ \\ =\tan\theta$

Therefore, $\tan\theta=- \frac{ \sqrt{7} }{2}$

8 0

3 years ago

In the figure below, R=2 cm, Q= 2cm, and P= 3 cm. The figure of a small rectangle, a large rectangle, and one-fourth of a circle

VLD [36.1K]

Answer: The perimeter is 10.1415925, which you can round down to 10, or leave it as is.

8 0

3 years ago

Yolanda wanted to see if there was a connection between red hair and green eyes. She observed people walking past her on the str

Nutka1998 [239]

Given the frequency table on the relationship between red hair and green eyes.
   Green Eyes Eye Color other than Green    Total
Red Hair 18    29 47

Hair Color
other than    114    650 764
Red

Total    132    679    811

The relative frequency table is obtained from a frequency table by dividing each entry of the requency table by the overall total of the frequency table.

The relative frequency table of the frequency table above is given below.
   Green Eyes     Other Eye Color     Total
Red Hair   18/811 = 0.02 = 2% 29/811 = 0.04 = 4% 47/811 = 0.06 = 6%

Other Hair
Color    114/811 = 0.14 = 14%|650/811 = 0.80 = 80%|764/811 = 0.94 = 94%

Total 132/811 = 0.16 = 16%|679/811 = 0.84 = 84%|811/811 = 1.0 = 100%

Given that x is the relative frequency of people that have other hair color and have green eyes, thus, the value of x is 14%.

Therefore, <span>the value of x in the table = 14%.</span>

8 0

3 years ago

Read 2 more answers

What is the measure of angle AOB?

Anettt [7]

Answer:

let angle AOB and angle COD be x

the it would be

x+x+110=180

2x+110=180

2x=180-110

2x=70

x=70/2

x=35 degree.

hope it will help you.

4 0

3 years ago

In which way are mercury n Venus similar ?

ozzi

they both small and Rocky

8 0

2 years ago

Read 2 more answers