3 years ago

Please help!! i need this asap

Mathematics

1 answer:

kompoz [17]3 years ago

3 0

I would help but I cannot read it.

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On the day a coffee shop first opened, it had 140 customers. 65% of the customers ordered a large coffee.

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140 (number of customers) * .65 (% of customers who ordered a large coffee) = 91 customers who ordered a large coffee

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Completing the square:

vichka [17]

Answer:

Step-by-step explanation:

Key to this method is remembering that

$(a+b)^2 = a^2 + 2ab + b^2$

So, if you divide the coefficient of x by 2 and square it, that will complete the square. With that in mind, things are easy.

6/2 = 3, so add $3^2 = 9$

$x^2+6x+9 = (x+3)^2$

So, c=9

Similarly, for the other two,

$c = (\frac{-34}{2} )^2 = (-17)^2 = 289$

You don't really have to worry about the sign, since squaring will always make it positive

$(\frac{25}{13}) ^2 = \frac{625}{169}$

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Keiko started a race at 6:44 PM and finished it at 7:13 PM.

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29 minutes

Step-by-step explanation:

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How many four letter permutations can be formed from the first five letters of the alphabet?

Maru [420]

Answer: 120

<u>Step-by-step explanation:</u>

Permutation means that order matters.

$_nP_r = \dfrac{n!}{(n-r)!}\quad \text{where n is the total \# of items and r is the quantity chosen} \\\\\text{In the given problem, n = 5 and r = 4}\\\\\\_5P_4=\dfrac{5!}{(5-4)!} = \dfrac{5\times 4\times 3\times 2 \times 1}{1}=120$

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Write a numerical expression for the volume

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(L*W)*H

hope it helps

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