3 years ago

What color is jordan

Mathematics

2 answers:

fgiga [73]3 years ago

7 0

Answer:

..?

Step-by-step explanation:

lana [24]3 years ago

4 0

Jordan what? hhhhhhghh

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In class A, John got 85 for his first test John's class mean was 75 and standard deviation was 5. In class B, Kathy got 80 in he

ivanzaharov [21]

Answer:

b. Kathy

Step-by-step explanation:

We compare each of their score by how far away from the mean when in term of the standard deviation. Using the following formula

$\frac{x - \mu}{\sigma}$

For John he is (85 - 75)/5 = 2.

For Kathy she is (80 - 50)/10 = 3.

Since Kathy is 3 standard deviation better than her class' average, while John is only 2's. We conclude that Kathy did better.

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3 years ago

A parallelogram has a base of 12 meters and a height of 1.5 meters. What is its area?

rusak2 [61]

Answer:

Step-by-step explanation:

12×1.5=18

its the same formula with rectangle cz if you combine both right angled triangle side its become a rectangle

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3 years ago

Rhian sat a math test and an english test.In the maths test she scored 14 out of 17.In the english test she scored 31 out of 39.

Dvinal [7]

Answer:

The maths test

Step-by-step explanation:

If you convert both of the results to percentage,

Maths:

$\frac{14}{17} \times 100 = 82\%$

English:

$\frac{31}{39} \times 100 = 79\%$

You'll see that she scored better in the maths test.

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3 years ago

At a swimming race, 3 out of 10 swimmers won a ribbon. What percent of the swimmers won a ribbon?

gogolik [260]

Answer:

30% of the swimmers won a ribbion

and 70% didnt

Step-by-step explanation:

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3 years ago

Need Help fast, with steps

Hitman42 [59]

Answer:The solution is in the attached file below

Step-by-step explanation:

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2 years ago