2 years ago

The combined mean and variance of falary of 250 workers of city A and B are 560 and 5497

1 answer:

7 0

I don’t know the answer to the question but I don’t know what to do with the question question but I don’t know what to do with the A 560

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mario tagged a total of 147 squirrels. He tagged 38 tan male squirrels,10 tan female squirrels 82 gray male squirrels and 17 gra

Umnica [9.8K]

The chance that he will catch a grey squirrel is

82/147

but you are trying to figure out the chance of him NOT getting a grey squirrel so

147/147 - 82 /147 = 65/147

65/147 is your answer and you can not round that down anymore

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2 years ago

Ok look person that keeps answering Im sorry hut I gues u can tell why Im literally fai-ling math, question is: add the polynomi

Naddik [55]

Answer:

$21a^4+4a^2+2a$

Step-by-step explanation:

i think this is right..lol

hope it helps :)

have a nice day!!

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2 years ago

A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is

Serhud [2]

Answer:

It has 10 three-point questions and 14 five-point questions

Step-by-step explanation:

Substitution (look it up it takes a long time to explain lol)

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2 years ago

Find the area. a) 16 units2 b) 98 units2 c) 8√3 units2 d) 16√3 units2

Alex777 [14]

I hope this helps you

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2 years ago

The length of the hypotenuse of a 30-60 -90 triangle is 14 units. what is the length of the short leg

kifflom [539]

Recall that the short leg is the side opposite the 30 degrees angle. And the ratio of the short leg to the hypotenuse is 1:2.

Let the length of the short leg be x, then,

$\cfrac{x}{14}=\cfrac{1}{2}\\ \\\Rightarrow2x=14\\ \\\Rightarrow x=\cfrac{14}{2}=7$

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2 years ago