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3 years ago

Two different ways to solve the equation 24=(2x)4

Mathematics

1 answer:

Anna35 [415]3 years ago

5 0

Answer:

Step-by-step explanation:

Divide 24 by 4 = 6

Divide 2 by 6 = 3

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Jensen recorded the daily average temperature (in degrees Fahrenheit) at his home over two weeks' time. His results are shown b

strojnjashka [21]

Answer:25

Step-by-step explanation:

73-48=25

To get your answer take the highest number and subtract it from the lowest number

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2 years ago

What is 3141 times X. x=5783978

kirill115 [55]

Answer:

18167474898

Step-by-step explanation:

I used a calculator.

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4 0

3 years ago

What is the sum of the geometric series

lbvjy [14]

If $S$ denotes the sum of the first $n$ terms of a geometric series with first term $a$ and common ratio $r$ , then

$S=a+ar+ar^2+\cdots+ar^{n-3}+ar^{n-2}+ar^{n-1}$
$rS=ar+ar^2+ar^3+\cdots+ar^{n-2}+ar^{n-1}+ar^n$
$\implies S-rS=a+(ar-ar)+(ar^2-ar^2)+\cdots+(ar^{n-1}-ar^{n-1})-ar^n$
$\implies (1-r)S=a(1-r^n)$
$\implies S=a=\dfrac{1-r^n}{1-r}$

Using summation notation, you have

$S=\displaystyle\sum_{x=1}^nar^{x-1}=\sum_{x=0}^{n-1}ar^x=a\dfrac{1-r^n}{1-r}$

In this case, you have $a=2$ , $r=\dfrac12$ , and $n=16$ . So the value of the sum is

$\displaystyle\sum_{x=0}^{15}2\left(\frac14\right)^x=2\dfrac{1-\left(\frac14\right)^{16}}{1-\frac14}\approx2.67$

Rounded to the nearest whole number, the answer would be 3.

4 0

3 years ago

Read 2 more answers

If KX - 8Y + 4 =0 is parallel to the line who’s equation is 3X -4Y+8 = 0. What is the value of K

Alex_Xolod [135]

So - first you gotta put it in the y = mx + b form.

4Y = 3X +8

=> y = 4/3X + 1/2

A parallel line has the same slope. So if 3X - 4Y + 8=0 has a slope of 4/3 then the value of K must also be 4/3

5 0

3 years ago

an elevator started at the first floor and went up 18 floors. it then came down 11 floors and went back up 16.at what floor was

zzz [600]

Started at first floor
went up 18 floors, so now we are at 1+18 or 19th floor
then cam down 11 floors, so now we are at 19-11 or 8th floor
then went up 16, so now at 16+8 or 24th floor

it stopped at 24th floor

4 0

2 years ago