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3 years ago

If the correlation between variable a and variable b is .20, then variable a explains _____ of the variance in variable

Mathematics

1 answer:

timofeeve [1]3 years ago

4 0

The answer would be b. I think.

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Write the expression as a product:<br><br> 1–(2x–1)^2

postnew [5]

Answer:

$1- ( { 2 x - 1)}^{2} = 4x (1 - x )$

Step-by-step explanation:

We want to to rewrite

$1 - ( { 2 x - 1)}^{2}$

Use difference of two squares to get:

${a}^{2} - {b}^{2} = (a + b)(a - b)$

This implies that:

${1}^{2} - ( { 2 x - 1)}^{2} = (1 +( 2x - 1))(1 - (2x - 1))$

${1}^{2} - ( { 2 x - 1)}^{2} = (1 + 2x - 1)(1 - 2x + 1)$

This finally simplifies to:

${1}^{2} - ( { 2 x - 1)}^{2} = 2x (2 - 2x )$

Therefore the required product is

$2x (2 - 2x ) = 4x(1 - x)$

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2 years ago

Monthly payment of 1,000 where interest is 6% compounded monthly

inessss [21]

Answer: you would have 1,060 in a month if that’s what you are asking

Step-by-step explanation:

6 0

3 years ago

GIVING BRAINLIEST PLEASE ANSWER

klasskru [66]

Answer:

Step-by-step explanation:

aww im sorry i dont no i wish i knew but you dont need to give me anything im stupid

7 0

2 years ago

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What can be considered as a real-life example of a Linear Function?

adell [148]

Answer:Phynotomas diagram

Step-by-step explanation:

thank you

7 0

2 years ago

How many different triangles can be constructed with three sides, each measuring 5 centimeters?

Akimi4 [234]

The first thing we will do is define an equilateral triangle:
In geometry, an equilateral triangle is a regular polygon with three equal sides. In traditional Euclidean geometry, equilateral triangles are also equiangular, that is, the three internal angles are also congruent to each other, each angle with a value of 60 °
Every equilateral triangle consists of three equal sides and three congruent angles.
Therefore, there can be a triangle with three equal sides (5 centimeters in this case).
Answer:
1) one

5 0

3 years ago