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3 years ago

Find the least common denominator (LCD) of 8/9 and 1/3

Mathematics

1 answer:

jek_recluse [69]3 years ago

3 0

Answer:

Multiples of 3: 3,6,9,12

Multiples of 9: 9, 18, 27

The smallest of the multiples is 9

Step-by-step explanation:

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A 20 foot long flag pool casts a 8 foot long shadow. At the same time the oak tree casts a 12 foot shadow. How tall is Is the oa

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It depends on where the sun is but the answer is 22 but my math could be wrong

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3 years ago

-3x=50 what is the answer I just need some help lol

____ [38]

Answer:

assuming that you have solve x, the the answer is x=-16.6 repeating

Step-by-step explanation:

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3 years ago

Ms. McCormick keeps a rectangular recycling bin for used paper in her classroom. The area of the bottom of the bin is 400 square

aniked [119]

According to the dimensions given, the volume of paper in the recycling bin is of 6800 cubic inches.

<h3>What is the volume of a rectangular prism?</h3>

It is given by the multiplication of the base area by the height, that is:

$V = S_bh$

In this problem, we have that the measures in square inches and inches, respectively, are given by:

$S_b = 400, h = 17$

Hence:

$V = 400 \times 17 = 6800$

The volume of paper in the recycling bin is of 6800 cubic inches.

More can be learned about the volume of a rectangular prism at brainly.com/question/17223528

3 0

1 year ago

Each question in the test was worth an equal number of points. Chris answered 6 questions incorrectly. How many questions did th

Art [367]

Using mathematical operations and ratios, the number of questions that the other kids answered incorrectly was <u>1 each</u>.

<h3>What are the mathematical operations?</h3>

The mathematical operations include these four basic operations - addition, subtraction, multiplication, and division.

These mathematical operations and ratios, which set one value equal to another, are used to solve mathematical problems.

<h3>Data and Calculations:</h3>

The number of questions = 20

Marks awarded to each question = 3 points

Average incorrect answers by Chris = 6

Average performance = 50%

Above average performance = 90%

Incorrect answers by other students = 10% (1 - 90%)

<h3>Incorrect performance ratios:</h3>

Chris = 50%

Four students = 10%

= 5 : 1

Chris' ratio = 5/6

Four students = 1/6

The number of questions that the four other students answered incorrectly was <u>1 question</u> (6/50% x 10%) or (6 x 1/6).

Thus, the other kids answered <u>1 question</u> each incorrectly.

Learn more about mathematical operations and ratios at brainly.com/question/12024093

#SPJ1

<h3>Question Completion:</h3>

A test has 20 questions. The test awards 3 points if the answer is correct and takes away 1 point if the answer is incorrect. Five students took the test, but four of the five students perform above average (90%). Chris, an average student (50%), answered 6 questions incorrectly. How many questions did the other kids answer incorrectly?

4 0

1 year ago

Our club has 25 members, and wishes to pick a president, secretary, and treasurer. In how many ways can we choose the officers,

Rus_ich [418]

Answer:

13800

Step-by-step explanation:

The order of the members is important (because each selected member will receive a different position), thus we then need to use the definition of permutation.

There are 25 members, of which 3 are selected.

$\begin{array}{l}n=25 \\r=3\\end{array}$

Evaluate the definition of a combination:

$P(25,3)=\frac{25 !}{(25-3) !}=\frac{25 !}{22 !}=25 \cdot 24 \cdot 23=13800$

8 0

3 years ago