A blueprint scale is 1/4 in = 1 ft. If the blueprint measurement is 3 in in x 3 in, what should you cut?

Answers

Answer 1

Answer: I should cut out a 12 ft by 12 foot

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What is the MAD of 15, 17, 15, 17, 21, 17, 15, 21, 20, and 18

Answers

Okay i will just do this step by step...

1st.) Find the mean of all the values.
Of course finding the mean is adding all the numbers up together and dividing by the number of numbers present.
So add all the numbers...
15 + 17 + 15 + 17 + 21 + 17 + 15 + 21 + 20 + 18 = 176
Now divide by 10 since there are ten numbers.
176 ÷ 10 = 17.6

2nd.) subtract the mean from each value, (ignore the minus signs in our answer, they are not needed, our answer will be a positive number!!!)
So...
15 - 17.6 = 2.6
17 - 17.6 = 0.6
15 - 17.6 = 2.6
17 - 17.6 = 0.6
21 - 17.6 = 3.4
17 - 17.6 = 0.6
15 - 17.6 = 2.6
21 - 17.6 = 3.4
20 - 17.6 = 2.4
18 - 17.6 = 0.4

Now our new Set of numbers is...
2.6, 0.6, 2.6, 0.6, 3.4, 0.6, 2.6, 3.4, 2.4, 0.4

3rd.) So now we have to take those numbers and find the Mean out of those... Soo first add them up together.
2.6 + 0.6 + 2.6 + 0.6 + 3.4 + 0.6 + 2.6 + 3.4 + 2.4 + 0.4 = 19.2
Now divide by the number of numbers present or in this case (10)
soooo
19.2 ÷ 10 = 1.92

sooooo
MAD = 1.92

And if you loose hope, you can always eat a pineapple :)

What is 0.622 as a percentage *

Answers

62.2% i think i think that is the answer

62.2 % because. you. move the. decimal. 2 to the. right

At the local aquarium there are 10 dolphins 8 penguins and 4 whales what is the ratio of penguins to whales

Answers

A ratio compares two quantities.

penguins = 8
whales = 4

8:4 , now simplify

8/4 = 2
4/4 = 1

2:1 is the ratio.

Final answer: 2:1

A ratio compares 2 or more quantities. But when working with ratios you have to be VERY careful. What ever says to come in the ratio 1st it HAS to come first, cause if you change the order it will mess the ratio up. A ratio can be written in 3 ways:-

a to b
a:b
$(a)/(b)$

Now lets look at the information we have:-

10 - dolphins
8 - penguins
4 - whales

Now we need to find the ratio of penguins to whales. So it would look like this:-

penguins: whales
penguins to whales
$(penguins )/(whales)$

Penguins:- 8
Whales:- 4

So, the ratio of penguins to whales would look like:-

8 to 4
8:4
$(8)/(4)$

Now we will simply $(8)/(4)$

8 ÷ 4 = 2
4 ÷ 4 = 1

So, our new simplified ratio would be:- 2 to 1. 2:1. $(2)/(1)$ .

Hope I helped ya!!

in the pet store, 1/6 of the puppies are black and 1/4 are white. what fraction of the puppies are black or white?