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klio [65]
3 years ago
14

Madison is baking party favors she wants to make enough favor so each guest gets the same number of favors she knows there will

be six or eight guests at the party what is the least number of party favors medicine should make
Mathematics
1 answer:
iris [78.8K]3 years ago
4 0

Answer:

It would be 24

Step-by-step explanation:

6: 6, 12, 18, 24

8: 8, 16, 24

The least common number is 24, so she should make at least 24.

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In 1970, the average length of a major league baseball game was 150 minutes compared to 180 minutes in 2018. Calculate the absol
Pavlova-9 [17]

Answer:

  • 30 min
  • 20%

Step-by-step explanation:

The absolute change in game length is ...

  (180 min) -(150 min) = 30 min . . . . change in game length

__

The relative change is expressed as a fraction of the original game length:

  (30 min)/(150 min) × 100% = 20% . . . . relative change in game length

6 0
3 years ago
What is the quotient of 2 3/4 and 5 1/2?
Juli2301 [7.4K]

Answer:

  1/2

Step-by-step explanation:

This can be done several ways. Perhaps the easiest is to use the decimal equivalents:

  (2 3/4)/(5 1/2) = 2.75/5.5 = 0.5

__

If you want to use the numbers given, the usual procedure is to convert them to improper fractions and do the division that way:

  2 3/4 = (4·2 +3)/4 = 11/4

  5 1/2 = (2·5 +1)/2 = 11/2

Now, the problem can be written as ...

  (2 3/4) / (5 1/2) = (11/4) / (11/2)

This sort of division problem can be solved two ways:

  <u>invert and multiply</u> (the denominator is inverted)

  = (11/4) × (2/11) = (11·2)/(11·4) = 2/4 = 1/2

  <u>use a common denominator</u> (for the two fractions)

  = (11/4) / (11/2) = (11/4) / (22/4) = 11/22 = 1/2

The quotient is 1/2.

_____

<em>Additional comments</em>

It is helpful in many cases to just use decimal equivalents for the calculation. To do that, you need to be familiar with the equivalents of commonly used fractions. I find it is usually sufficient to know the unit fractions in each case. Then you can multiply or add to find the others.

1/9 = 0.1...(1-digit repeat), 1/8 = 0.125, 1/7 = 0.142857...(6-digit repeat), 1/6 = 0.16...(1-digit repeat), 1/5 = 0.2, 1/4 = 0.25, 1/3 = 0.3...(1-digit repeat), 1/2 = 0.5

__

I learned the "invert and multiply" method for dividing fractions when I was in school. The Common Core math apparently also teaches the method of matching the denominators of a compound fraction. Then the result is the ratio of numerators. (A variation not taught is that you can match the numerators and use the inverse of the ratio of denominators. Both of these methods can be validated using the "invert and multiply" method. (11/4)/(11/2) = 2/4)

"Invert and multiply" is another way of saying that division is the same as multiplication by the reciprocal. This applies everywhere, not just in fraction problems.

8 0
3 years ago
Define altitude in a geometric way. (in geometry)
Sauron [17]
We was just talking about this in my geometric class today

An altitude is a line which passes through a vertex of a triangle, and meets the opposite side at right angles.



anyways it also on googIe
3 0
3 years ago
Read 2 more answers
All of the following expressions simplify to -4x + 9, except
Alla [95]
What are the options for the expressions?
6 0
3 years ago
Scientific notation of 325•10^-8
USPshnik [31]

Given:

A number is

325\times 10^{-8}

To find:

The scientific notation of the given number.

Solution:

Scientific notation of a number is the product of a number between 1 to 10 and 10 to the power some integer.

We have,

325\times 10^{-8}

It can be written as

325\times 10^{-8}=3.25\times 10^{2}\times 10^{-8}

325\times 10^{-8}=3.25\times 10^{2+(-8)}

325\times 10^{-8}=3.25\times 10^{-6}

Therefore, the scientific notation of the given number is 3.25\times 10^{-6}.

3 0
3 years ago
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