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3 years ago

Whats the answer to this?

Mathematics

2 answers:

USPshnik [31]3 years ago

8 0

Answer:

Sorry I don't know

Step-by-step explanation:

harina [27]3 years ago

6 0

Answer:

6cm

Step-by-step explanation:

I will apply equivalent fractions here or enlargement is also allowed

let find the factor,k

3/0.25=k

12=k

to get x

x/0.5=12

x=12*0.5

x=6cm

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Daniel wanted to know his approximate score on the final exam for his mathematics class. His professor hinted that his score was

Marizza181 [45]

Answer:

The raw score for his exam grade is 99.69.

Step-by-step explanation:

Given : The professor announced that the mean for the class final exam was 88 with a standard deviation of 7. Given Daniel's z score of 1.67.

To find : What is the raw score for his exam grade?

Solution :

The formula use to find the z-score is

$z=\dfrac{x-\mu}{\sigma}$

Where, z=1.67 is the z-score

$\mu=88$ is the means

$\sigma=7$ is the standard deviation

x is the raw score for his exam grade

Substitute the values,

$1.67=\dfrac{x-88}{7}$

$1.67\times 7=x-88$

$11.69=x-88$

$x=88+11.69$

$x=99.69$

Therefore, the raw score for his exam grade is 99.69.

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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