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Burka [1]
3 years ago
12

PLEASE HELP ASAP!! I NEED YOUR HELP PLEASE

Mathematics
1 answer:
In-s [12.5K]3 years ago
7 0

Answer:

The statue is 12 meters taller than Anakka.

Step-by-step explanation:

Use the Pythagorean Theorem which is a^2+b^2=c^2. The length is b. You know that the statue in Dover Park is 16 miles away so that is b. You know that the hypotenuse is 20 so that means the equation will be a^2+16^2=20^2. Simplify this to get a^2+256=400. Simplify this to get a^2=144. Divide each side by squared so that means a=square root of 144 which is equal to 12. Therefore, the statues is 12 meters taller than Anakka.

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Anyone have answers to this whole sheet its literally due in 20 minutes
Minchanka [31]

Answer:

1. Communitave property

2. communitave property

3.

1. distribute 2 to x and 10 to get ride of parenthesis

2. subtract 2x from the left to move it to the right so x is by itself

3. add 15 to both sides to cancel it out on one side, and move to the other.

4. divide by 5 on both sides so you can get the value of x

5. flip equation so it is in the x equals form

4.

1. distribute 2 to the x and positive 3 on the left side, also distribute -4 to both x and -1 , to get rid of our parenthesis.

2. add 4x to both sides so it cancels out on one side and moves to the other ( our xs and numbers need to be on opposite sides)

3. subtract 4 on the left side to move it to the right side because again numbers on the right and letters on the left

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5 0
3 years ago
In a sample of 8 high school students, they spent an average of 28.8 hours each week doing sports with a sample standard deviati
Alja [10]

Answer:

26.12\:

Step-by-step explanation:

Since the population standard deviation \sigma is unknown, and the sample standard deviation s, must replace it, the t distribution  must be used for the confidence interval.

The sample size is n=8.

The degree of freedom is df=n-1, \implies df=8-1=7.

With 95% confidence level, the \alpha-level(significance level) is 5%.

Hence with 7 degrees of freedom, t_{\frac{\alpha}{2} }=2.365. (Read from the t-distribution table see attachment)

The 95% confidence interval can be found by using the formula:

\bar X-t_{\frac{\alpha}{2}}(\frac{s}{\sqrt{n} } )\:.

The sample mean is \bar X=28.8 hours.

The sample sample standard deviation is s=3.2 hours.

We now substitute all these values into the formula to obtain:

28.8-2.365(\frac{3.2}{\sqrt{8} } )\:.

26.12\:

We are 95% confident that the population mean is between 26.12 and 31.48  hours.

4 0
3 years ago
A new car is purchased for 23900 dollars. The value of the car depreciates at 9.75% per year. To the nearest year, how long will
inna [77]

Answer:

11 years

Step-by-step explanation:

we know that

The  formula to calculate the depreciated value  is equal to  

V=P(1-r)^{x}  

where  

V is the depreciated value  

P is the original value  

r is the rate of depreciation  in decimal  

x  is Number of Time Periods  

in this problem we have  

P=\$23,900\\r=9.75\%=0.0975\\x=?\\V=\$7,700

substitute in the formula

7,700=23,900(1-0.0975)^{x}  

(77/239)=(0.9025)^{x}  

Apply log both sides

log(77/239)=xlog(0.9025)  

x=log(77/239)/log(0.9025)  

x=11\ years

6 0
3 years ago
I literally have a test tomorrow and dont know what to do please help
Fittoniya [83]
B is yes and the rest are no. B is the only solution where y equals 1.
3 0
3 years ago
Read 2 more answers
What is the meaning of zero in this situation: 9 degrees below 0
Aleksandr [31]
The meaning of it is this:
below 0 is stating negatives which are even smaller than zero
6 0
3 years ago
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