What is 2/3 of an hour

Answers

Answer 1

Answer: 2/3 of an hour is 40 minutes

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In a group of 75 fourth graders, 20% do not like hot chocolate. How many students like hot chocolate

Answers

$20\%\ do\ not\ like\ hot\ chocolate,\ therefore\n100\%-20\%=80\%\ like\ hot\ chocolate\n\np\%=(p)/(100)\to80\%=(80)/(100)=(8)/(10)=(4)/(5)\n\n80\%\ of\ 75=(4)/(5)\cdot75=4\cdot15=\boxed{60}\leftarrow answer$

Let find how many do not like hot chocolate.

.20*75 = 15 fourth graders don't like hot chocolate.

Now lets see how many like hot chocolate

75 -15 = 60 kids like hot chocolate.

Another way to do this is you know that 20% of kids don't like hot chocolate then that means 80% must like hot chocolate.

So now you just have to do .8*75 and you get 60

Simplify 3x + 6 x 2 - 5 x - x2

Answers

Answer:

5x^2 − 2x

Step-by-step explanation:

Let's simplify step-by-step.

=3x + 6x^2 + − 5x + − x^2

Combine Like Terms:

=3x + 6x^2 + − 5x + − x^2

=( 6x^2 + − x^2 ) + ( 3x + − 5x )

= 5x^2 + − 2x

Answer:

5x^2 − 2x

hope this helps!!

Mason gave the waiter a $14.58 tip, which was 15 percent of the dinner bill. What was the amount of the dinner bill before he added the tip?A.$9.72
B.$21.87
C.$97.20
D.$218.70

Answers

Answer:

C. $97.20

Step-by-step explanation:

Let the dinner bill be $x.

The tip given to the waiter is $14.58.

Also, it is given that the tip is 15% of the tip.

Thus we get the relation 15% of x = 14.58

i.e. 0.15x = 14.58

i.e. $x=(14.58)/(0.15)$

i.e. x = 97.20

Hence, the amount of dinner bill before the tip is added is given by $97.20

the answer is :

the amount of the bill before the tip = 14.58 *100 /15 = 97.20 $

What's.725put into a fraction

Answers

it would be 725/1000 because u are 3 spaces after the decimal

Which additional word in the sentence should be capitalized? That's why i read the last chapter so quickly.

A.WHY
B. I
C.CHAPTER
D.READ

PLEASE HELP FAST!!!!

Answers

B.) I
I, should be capilzed because you are refering to yourself

This answer would most likely be B.I
It has to be capitalized always if it's by itself or at the begining of a sentence

A_____________ is the numerical factor of a multiplication expression like 3x.

Answers

The numerical factor of a multiplication expression like 3x is calied a coefﬁcient

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