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marshall27 [118]
2 years ago
15

How to divided by square root

Mathematics
2 answers:
pentagon [3]2 years ago
8 0
Set up a fraction use one radical sign divide the radicans simplify if neccessary 

Sunny_sXe [5.5K]2 years ago
7 0
When dividing by the square root, multiply both the top and bottom by that square root to get rid of it on the bottom. (Ex: 1/√2 = √2/2
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To indirectly measure the distance across a lake, Nachelle makes use of a couple landmarks at points D and E. She measures CF, F
g100num [7]

Answer:

207.68 m

Step-by-step explanation:

From the diagram,

ΔDEC is similar to ΔFGC

Therefore,

(DE)/(FG) = (DC)/(FC).............. Equation 1

make line DE the subject of the equation

DE = [(DC)(FG)/(FC)]................ Equation 2

From the diagram,

Given: DC = 190 m, FG = 142.1 m, FC = 130 m

Substitute these values into equation 2

DE = (190×142.1/130)

DE = 207.68 m

Hence the distance across the lake is 207.68 m

3 0
2 years ago
I need the answer help as soon as possible
stepladder [879]

Answer:

Step-by-step explanation:

When finding the margin of error for the mean of a normally distributed population from a sample, what is the critical probability, assuming a confidence level of 58%?

4 0
1 year ago
−16t2+75 Solve for t=2
SVETLANKA909090 [29]

Answer:

=−16t^2+75

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Multiply and simplify 2/3times 4\5 in fraction form
myrzilka [38]
2/3 x 4/5
2 x 4 = 8
3 x 5 = 15
8/15 Hope this helps!
7 0
3 years ago
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1. the sum of the first n odd positive integers is 64. what is the value of n ?
chubhunter [2.5K]
  • The value of the n is 8.
  • There are 7 positive integers between 100 and 200 which are divisible by 14.

<u>Step-by-step explanation:</u>

The sum of first n odd positive integer is n^2. The nth odd number is 2n-1.

                          i.e. 1 + 3 + ........+ (2n-1) = n^2.  

                                1 + 3 +..........+ (2n-1) = 64

                                                                n^2 = 64

                                                                    n = 8.

The positive integers between 100 and 200 which are divisible by 14 are 112, 126, 140, 154, 168, 182, 196. It is obtained by the multiples of 14 between 100 and 200.

100 = 7 * 14 + 2

200 = 14 * 14 + 4. The answer is 14 - 7 = 7

The seven numbers are

                        14 * 8 = 112

                        14 * 9 = 126

                        14 * 10 = 140

                        14 * 11 = 154

                        14 * 12 = 168

                        14 * 13 = 182

                        14 * 14 = 196

6 0
3 years ago
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