2 years ago

Find the sum (a-b)(2a+4b)

1 answer:

7 0

(a-b)(2a+4b) = 2a² - 2ab + 4ab - 4b² = 2a² + 2ab - 4b²

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Roman55 [17]

Answer:

2/3 CUPS OF SUGAR

Step-by-step explanation:

1/2 CUP=3

X = 4

1/2 X 4=2/3

3 0

3 years ago

Svet_ta [14]

Hi Jessicaprado539!

The constant proportionality of this equation would be the value that relates the two amounts. In this case, that would be 2/3

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3 years ago

VARVARA [1.3K]

W = 1+15*l
(The number of games they won= 1+15* the number of games they lost.)

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3 years ago

Mademuasel [1]

Answer: $H_0:\mu=40$

$H_0:\neq40$

Step-by-step explanation:

A null hypothesis is a hypothesis where a researcher generally try to disprove, it says that there is no statistically significant relationship between the two variables .
An alternative hypothesis says that there is a statistical significance between two variables.

Claim 1. : Mean age of online dating service users is 40 years.

i.e. $\mu=40$ , since it has equals sign so we take this as null hypothesis.