3 years ago

Use decimals and the data for 1988 and 1996 to find the slope intercept form of a trend line

Mathematics

1 answer:

Tju [1.3M]3 years ago

4 0

The answer would be <span>y = 312.5x + 1564

hope this helped :)
alisa202</span>

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The ages of three friends are consecutive integers. The sum of their ages is 45

Alborosie

45 = (x) + (x + 1) + (x + 2)

45 = 3x + 3

- 3

42 = 3x

14 = x

45 = 14 + (14 + 1) + (14 + 2)

45 = 14 + 15 + 16

The ages of the 3 friends are 14, 15, and 16.

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3 years ago

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Geometric mean definition

nikdorinn [45]

The central number in a geometric progression which indicates the central tendency or typical value of a set of numbers by using the product of their values as opposed to the arithmetic mean which uses their sum.

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Elaina wrote two correct variable expressions to represent the phrase “one-fourth of a number.” Which variable expressions could

ivolga24 [154]

The answer is n over 4

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Question set 2: Many species of terrestrial tree frogs that hibernate at or near the ground surface can survive prolonged exposu

joja [24]

Answer:

0.86

Step-by-step explanation:

The z-score we need to make the comparison is given by

$\bf z=\frac{-2.05-(-2)}{\sigma/\sqrt{n}}$

where

$\bf \sigma$ = the standard deviation established in the study

n = the sample size

$\bf z=\frac{-2.05-(-2)}{0.3/\sqrt{42}}=-1.0801$

and for the Normal distribution N(0,1) we want to find

By using a spreadsheet or the table attached, we find that

P(X > -1.0801) = 0.86

(See picture attached)

7 0

4 years ago