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3 years ago

What is used to determine land biome?

Mathematics

2 answers:

katrin2010 [14]3 years ago

6 0

<span>Climate, altitude, and rainfall are major factors used to determine a biome,</span>

denis-greek [22]3 years ago

4 0

Adding on to what Blake said, it also has to do with vegetation, and animal life.

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Apple launches an ad campaign for iPhone 12. Managers want to know what is the % of social media mentions that have positive rea

Orlov [11]

Answer:

social media mentions do managers at Apple need to collect, if they want to get a margin of error of 2%

Sample size 'n' = 625

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given data Apple launches an ad campaign for iPhone 12

Managers want to know what is the % of social media mentions that have positive reactions to the new ad campaign

probability of positive reactions p = 1/2

Probability of negative reactions q = 1-p = 1/2

we know that $\sqrt{p(1-p}\leq \frac{1}{2}$

<u><em>Step(ii):</em></u>-

Given margin of error = 2 % =0.02

The margin of error is determined by

$M.E = \frac{\sqrt{p(1-p} }{\sqrt{n} }$

$0.02 = \frac{\frac{1}{2} }{\sqrt{n} }$

$\sqrt{n} =\frac{1}{2 X0.02}$

√n = 25

squaring on both sides, we get

n = 625

8 0

3 years ago

Evaluate the expression using order of operations. (24+2) ÷ 2

Reptile [31]

Answer:

The answer is 13

Step-by-step explanation:

24+2=26

26÷2=13

7 0

3 years ago

6 - 2x = 6x - 10x + 4

yarga [219]

$6 - 2x = 6x - 10x + 4$

$6 - 2x = - 4x + 4$

$6 = - 4x + 4 + 2x$

$6 = - 2x + 4$

$- 2x + 4 = 6$

$- 2x = 6 - 4$

$- 2x = 2$

$x = \frac{ \: \: \: 2}{ - 2}$

$x = - 1$

Therefore , the value of x = -1

6 0

3 years ago

To find the quotient Two-fifths divided by one-fourth,

stira [4]

Answer:

POW

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

5,049 +48=105

Alborosie

<h2>Solution (a) :-</h2>

Let the cost of the less expensive comic book be x .

Then :-

$1284 - 11x = x$

Using this equation , we can find the cost of the less expensive comic book .

Price of the less expensive book :-

$1284 - 11x = x$

$11x + x = 1284$

$12x = 1284$

$x = \frac{1284}{12}$

$x = 107$

Cost of the less expensive book is 107 .

Therefore , the epice of the less expensive book = $ 107 .

<h2>Solution (b) :-</h2>

Cost of the more expensive book = 11x

Which means :-

$1284 - x = 11x$

$11x + x = 1284$

$12x = 1284$

$x = 107$

$11x = 11 \times 107$

$= 1177$

Therefore , the price of the more expensive book = $ 1177 .

4 0

3 years ago