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neonofarm [45]
4 years ago
12

What is 13 x 1 and 1/3

Mathematics
1 answer:
Molodets [167]4 years ago
7 0
13 x 1 1/3 = 17.3

Hope I helped :)
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In a World Atlas study, 10% of people have blue eye color. Lane decided to observe 29 people and she concluded 5 people had blue
devlian [24]

Answer:

Step-by-step explanation:

In a World Atlas study, 10% of people have blue eye color. Lane decided to observe 29 people and she concluded 5 people had blue eyes. Calculate the z-score

Given that :

Sample size (n) = 29

Number of people with blue eyes (x) = 5

Proportion (p) = 10% = 0.1

Using the relation :

Z = (p" - p) / sqrt(pq/n)

Recall : q = 1 - p = 1 - 0.1 = 0.9

p" = x / n = 5 / 29 = 0.1724137

pq = 0.1 * 0.9 = 0.09

Hence,

Z = (0.1724137 - 0.1) / sqrt(0.09/29)

Z = 0.0724137 / 0.0557086

Z = 1.2998657

6 0
3 years ago
Compute i^1+i^2+i^3....i^99+i^100
fgiga [73]

Good morning ☕️

Answer:

<h3>i¹ + i² + i³ +. . .+ i⁹⁹ + i¹⁰⁰ = 0</h3>

Step-by-step explanation:

Consider the sum S = i¹ + i² + i³ +. . .+ i⁹⁹ + i¹⁰⁰

S =  i¹ +  i² +  i³ + . . . + i⁹⁹  +  i¹⁰⁰

S = a₁ + a₂ + a₃ +. . . + a₉₉ + a₁₀₀

then, S is the sum of 100 consecutive terms of a geometric sequence (an)

where the first term a1 = i¹ = i  and the common ratio = i

FORMULA:______________________

S=(term1)*\frac{1-(common.ratio)^{number.of.terms}}{1-(common.ratio)}

_______________________________

then

S=i*\frac{1-i^{100} }{1-i}

or i¹⁰⁰ = (i⁴)²⁵ = 1²⁵ = 1  (we know that i⁴ = 1)

Hence

S = 0

7 0
3 years ago
The town recreation committee raised money to increase the circumference of the jogger’s park, which was initially 1000 feet. It
yawa3891 [41]

Answer:C. 3000 ft

Step-by-step explanation:

First, find the radius of the circumference.

By dividing 1000 ft by 2, which is 500, and that is the radius.

Then you multiply the radius by 3, which is 1500.

Finally, you want the circumference, to find the circumference you need to multiply the radius by 2, which is 3000 ft.

That’s it.

3 0
3 years ago
ASAP I NEED HELP WITH THIS QUESTION PLS
ss7ja [257]

Answer:An inverse operation are two operations that undo each other addition and subtraction or multiplication and division. You can perform the same inverse operation on each side of an equivalent equation without changing the equality. This gives us a couple of properties that hold true for all equations i guess a little bit of fraction might help if im right idk but forget the fraction part just read the other.


Step-by-step explanation: thats all i got.


8 0
4 years ago
No biggy just need some help
Temka [501]

Answer:

betwen year 5 and 6

Step-by-step explanation:

th prize will drop betwen 5 and 6 years.

i think its the correct answer

8 0
3 years ago
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