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GaryK [48]
4 years ago
13

I don't quite understand the LCD and the unlike denominators properly. May someone explain it, please.

Mathematics
1 answer:
Whitepunk [10]4 years ago
5 0

Hey!

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LCD stands for Lowest Common Denominator.

----------------------------------------------------------------------

Explanation:

So let's say we have the equation 1/9 * 16/27

We want to find the LCD of both fractions. To find the LCD of both fractions find a the lowest common denominator in both fractions.

In this equation the lowest common denominator is 27 because 9 can go in 27 and 27 can go into itself. Se basically 27 is the lowest possibly common denominator both fractions can get to.

----------------------------------------------------------------------

Hope This Helped! Good Luck ;)

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Serjik [45]
The answer is a hope this helps
4 0
3 years ago
Juliet is selling photographs as part of a project for her entrepreneurship class. She sells the first 20 photographs for $10 ea
Murljashka [212]

Answer:

option (B) 20

Step-by-step explanation:

Data provided in the question:

Number of photographs initially sold = 20

selling price of first 20 photographs = $10 each

Therefore,

Revenue from 20 photographs = 20 × $10 = $200

Selling price of further photographs = $15

Let the number of additional photographs sold be 'x'

thus,

total revenue = $200 + $15x

now,

according to the question

80% of ($200 + $15x) = $400

or

0.80 ×  ($200 + $15x) = $400

or

($200 + $15x) = $500

or

$15x = $300

or

x = 20

Hence,

the answer is option (B) 20

5 0
4 years ago
78 % of the class scored a C or above on their test. If there are 35 students in the class, how many scored a C or higher? Write
konstantin123 [22]

Answer:

27 students

Step-by-step explanation:

\frac{78}{100} =\frac{x}{35} \\

cross multiply and you get 27

5 0
3 years ago
Read 2 more answers
Sara uses 9.2 pints of white paint and blue paint to paint her bedroom walls. 3 4 of this amount is white paint, and the rest is
Eduardwww [97]

Answer:  2.3

Step-by-step explanation:

9.2 is divided  by 4 is 2.3 so the last quarter is 2.3

8 0
3 years ago
Kyle has a storage box that is 2 feet long, 3 feet high, and has a volume of 12 feet 3.
Greeley [361]

Answer:

you multiply the length and height, then, you figure out what you multiply to get the volume by dividing the product of the length and height multiplied.

Step-by-step explanation:

ex: kyle

2x3=6

6x?=12

6/12=2

3 0
3 years ago
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