2 years ago

Please help 30 point question

Mathematics

1 answer:

Vika [28.1K]2 years ago

4 0

Answer:

the things wont load whats the question?

Step-by-step explanation:

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BlackZzzverrR [31]

Answer:

A- control group

Since group A is tested under normal condition, it is the control group. Control group is separated from other groups so that the independent variable being tested cannot influence the result.

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3 years ago

What is 3(5x^2-9x) evaluated for x=-3

Studentka2010 [4]

Answer:

216

Step-by-step explanation:

put -3 where x is

3 ( 5 -3^2 - 9(-3) )

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216

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1 year ago

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Cheri walked 12 blocks in 36 minutes. What was Cheri's speed per minute?

Vesnalui [34]

3 is the speed per minute!

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3 years ago

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Which ordered pair would form a proportional relationship with the point graphed below?

earnstyle [38]

Answer:

(5, 20)

Step-by-step explanation:

7 0

1 year ago

A n =−1+3(n−1) an=−1+3(n−1) what is the 55 term in the sequence

Sindrei [870]

ANSWER

$a_{55}=161$

EXPLANATION

The general term for the sequence is

$a_n=-1+3(n-1)$

To find the 55th term, we have to substitute
$n = 55$
in to the general term and simplify.

This implies that,

$a_{55}=-1+3(55-1)$

$a_{55}=-1+3(54)$

$a_{55}=-1+162$

$a_{55}=161$

Therefore the 55th term is 161.

8 0

2 years ago