MATHEMATICS HIGH SCHOOL

There are 5280 feet in a mile how many feet are there in a marathon which is 26.2 miles

Answers

Answer 1
Answer:

Answer:

138,336 feet

Step-by-step explanation:

To determine the number of feet in a marathon, multiply the number of feet in 1 mile by the number of miles.

If 1 miles has 5,280 feet, then 26.2 miles will have 26.2(5280) = 138,336 feet.

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Convert 18/5 to a mixed number

Answers

your answer would be 3 an 3/5 :) hope i helped ! :D:D:D:D:D:D:D
To convert 18/5 to a mixed number all you have to do is divide 18 by five this would give you 3.6 all you have do do after that would be to change it back into a fraction.

What is the dividend in this problem 52.05 = 5=? * A) 52.05 B) 5 C) 0.05 D) 0.01

Answers

Answer) your answer is A

The reason that is your answer is because, the others are not able to be your answers on the fact of there to small for it to work and another being the correct answer is the only logical and the only answer that makes sense...

I hope this helps you and is correct

is the square root of 81 rational or irrational number and is 5 divided by 3.14 rational or irrational.

Answers

square root of 81 = 9 so it is rational number
 
5 divided by 3.14 = 5/3.14 = 500/314 so it is rational as well.
5 divided by 3.14 = 1.5923566879 so it is irrational.

Assume that lines a and b are parallel, and the given angles are given in degrees. What is the value of x? (Equation: 2x + 90 = x + 95)

Answers

Answer:

703 alomejor pueden ser

Evaluate the summation of 25 times 0.3 to the n plus 1 power, from n equals 2 to 10..

Answers

Answer:

\sum_(2)^(10)25(0.3)^(n+1)=0.9642375

Step-by-step explanation:

We have to evaluate the expression:

\sum_(2)^(10)25(0.3)^(n+1)

i.e. it could also be written as:

25\sum_(2)^(10)(0.3)^(n+1)

i.e. we need to evaluate:

25[(0.3)^3+(0.3)^4+(0.3)^5+(0.3)^6+(0.3)^7+(0.3)^8+(0.3)^9+(0.3)^(10)+(0.3)^(11)]

Hence, this could be written as:

=25* (0.3)^3[1+0.3^1+0.3^2+0.3^3+0.3^4+0.3^5+0.3^6+0.3^7+0.3^8]

Now, the series inside the parenthesis is a geometric series with first term as 1 and common ration as 0.3.

Hence, we could apply the summation of finite geometric series and get the answer.

We know that the sum of geometric series with n terms and common ratio less than 1  is calculated as:

S_n=a* ((1-r^n)/(1-r))

Here a=1 and r=0.3

Hence the sum of geometric series is:

S_9=1* ((1-0.3^9)/(1-0.3))\n\nS_9=1.4285

Hence, the final evaluation is:

=25* (0.3)^3* 1.4285\n\n=0.9642375

Hence,

\sum_(2)^(10)25(0.3)^(n+1)=0.9642375
We are asked to evaluate the summation of 25 times 0.3 to the n plus 1 power, from n equals 2 to 10. In this case, we use a calculator with summation powers so as to accurately get the answer. Using a calculator, the asnwer is equal to 0.9643. 

Help me out please thank u

Answers

Answer:

Three points determine a plane.

:)

Answer:

Three

Step-by-step explanation:
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