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Musya8 [376]
3 years ago
5

Write 6)15 as a fraction with a denominator of 20

Mathematics
2 answers:
kiruha [24]3 years ago
8 0
Consider the numbers in the fraction: 
<span>6 is 2 times 3 </span>
<span>The denominator 15 is 5 times 3 </span>
<span>Numerator : Denominator = 6 : 15 or 2 : 5 </span>
<span>If the Denominator is to be 20 it is 4 times 5, </span>
<span>the Numerator has to be 4 times 2 </span>
<span>Answer: </span>
<span>6/15 = 8/20</span>
anzhelika [568]3 years ago
4 0
First divide 20/15.
You get 1.3333
Now multiply 6 by 1.3333333
You get 8.
6/15=8/20
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Marina CMI [18]

Answer:

15b + 30

Step-by-step explanation:

By expansion (6 x 2.5b) + (6 x 5)

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5 0
3 years ago
What is the magnitude (size) of 6.8?
lidiya [134]

Answer:

C. 6.8, because |6.8|= 6.8

Step-by-step explanation:

The magnitude of a directed number is a property that turns the number to a positive of its value. Thus, the magnitude of a negative number equals its positive value. Examples:

Find the magnitude of the following numbers:

i. -20

ii. 10

iii. -5

iv. 2

The magnitudes of the numbers can be expressed as:

i. |-20| = 20

ii. |10| = 10

iii. |-5| = 5

iv. |2| = 2

Therefore, the magnitude of 6.8 = 6.8, because |6.8|= 6.8.

7 0
2 years ago
If (a-bi)^2 = 13 - 12i, what is the product of a and b?
VARVARA [1.3K]

Answer:

\large \boxed{\sf \ \ \ a\cdot b= 6 \ \ \ }

Step-by-step explanation:

Hello,

(a-bi)^2 = 13 - 12i\\\\ a^2+(bi)^2-2abi = 13-12i\\\\a^2-b^2-2abi=13-12i

Imaginary term must be the same so

-2ab=-12

2ab = 12

ab = 12/2 = 6

So the product of a and b is 6

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

6 0
3 years ago
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