3 years ago

Can you match the teachers comments to the definitions?

Mathematics

2 answers:

Allushta [10]3 years ago

8 0

Answer:

Ivy's definition will go with third comment, Ethan's definition will go with the first comment, hence, Ebuka's definition will go with the second comment.

Step-by-step explanation:

aleksley [76]3 years ago

5 0

Answer:

Sorry

Correct

Step-by-step explanation:

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I just need #21 and #23 answered please.

kykrilka [37]

#21: Even
#23: Neither

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3 years ago

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On a standardized exam, the scores are normally distributed with a mean of 165 and astandard deviation of 40. Find the z-score o

vladimir1956 [14]

The Z-score is calculated by the formula below

$\begin{gathered} z-score=\frac{(x-\mu)}{\sigma}_{} \\ \mu=\operatorname{mean} \\ \sigma=s\tan dard\text{ deviation} \\ x=\text{score} \end{gathered}$

Step 2: Substitute the given parameters in the formula

$\begin{gathered} z-\text{score}=\frac{145-165}{40} \\ Z=-\frac{20}{40} \\ Z=-\frac{1}{2} \\ Z=-0.5 \end{gathered}$

Hence, the z-score of a person who scored 145 on the exam is -0.5

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2 years ago

A light bulb consumes 3120 watt-hours in 3 days and 6 hours. How many watt-hours does it consume per day?

matrenka [14]

2850*24/(4*24+18)

The light bulb consumes 600 watt-hours per day.

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3 years ago

A parallelogram with vertices (–1, 3), (5, 1), (3, –2), and (–3, 0) is translated right 4 units, down 2 units.

IgorLugansk [536]

A. the coordinates for the 3rd one is (7, -4)

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3 years ago

PLEASE HELP

postnew [5]

Answer:

Below

Step-by-step explanation:

Substituting the given values:

f(6) = 6(2/3) - 2 = cube root of 6^2 - 2 = cube root 36 - 2

f(-6)= (-6)(2/3) - 2 = cube root of(-6)^2 - 2 = cube root 36 - 2

So This is true,

f(6) = cube root of 6^2 - 2 = cube root 36 - 2 = 1.3019

2 * f(3) = 2 * (cube root of 3^2 - 2 ) = 2 * (cube root of 9 - 2) = 0.1602

So False,

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3 years ago