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Vinil7 [7]
4 years ago
8

What is 7 over 12 / 5 over 9? Answer truthfully, please!

Mathematics
1 answer:
attashe74 [19]4 years ago
5 0

In math, "over" and "/" and "÷" mean the same thing. The expression you have written is

... 7/12/5/9 = 7/540

It seems possible you may want the ratio of two fractions to be simplified. Perhaps you intend ...

... (7/12)/(5/9) = (7/12)×(9/5) = (7×9)/(12×5) = 63/60

... = 21/20 = 1 1/20

_____

Dividing by anything is the same as multiplying by its reciprocal. This is a convenient fact when dividing by a fraction.

You might be interested in
Perform the indicated operations. Write the answer in standard form, a+bi.<br> -4 + 4i / -3-6i
vesna_86 [32]

Answer:

\frac{ - 4  + 4i}{ - 3 - 6i}  \\  \frac{ - 4 + 4i}{ - 3 - 6i}  \times  \frac{ - 3 + 6i}{ - 3 + 6i}  \\  =  \frac{12 - 24i - 12i + 24 {i}^{2} }{ {( - 3)}^{2} -  {(6i)}^{2}  }  \\  =   \frac{ - 12 - 36i}{45}  \\  =  \frac{ - 12}{45}  \frac{ - 36i}{45}  \\ than \: you

5 0
3 years ago
In 1993 eggs cost $0.87 a dozen. In 2003 it cost $1.56 a dozen. How much did the eggs appreciate (percent of increase)?
rusak2 [61]

Answer:

190%

Step-by-step explanation:

$1.56 is close to nearly 2x the value of $0.87

You can start by multiplying $0.87 by 2 to get $1.74

Now put $1.56 / $1.74

This gets you 0.89655172

By rounding this, you can get to 0.90

Move the decimal places two spots over to get a percentage = 90%

Since the eggs didn't decrease in value, you can add the 100% from the beginning of the problem.

100+90=190%

4 0
3 years ago
Is 0 not an element of an empty set?
kirza4 [7]

Answer:

0 is not an element of an empty set.

Step-by-step explanation:

We are asked to determine whether 0 is not an element of an empty set.

We know that an empty set is an unique set having no elements. The cardinality of an empty set is 0.

Cardinality stands for the count of element is an set. An empty set is denoted by symbols ∅ or { }.

The empty set is like an empty container. The container is there, but nothing is in it.

When 0 is an element of a set, then its cardinality would be 1.

Therefore, 0 is not an element of an empty set.

3 0
4 years ago
Conrad has 6 more marbles than Rory. If r represents the numbers of marbles that Rory has, which expression represents the numbe
beks73 [17]

Answer:

r+6

Step-by-step explanation:

r = marbles that Rory has

r+6 = marbles that Conrad has


3 0
3 years ago
Andrea bought 12 bagels and 10 muffins at the bakery of these items 2/3of the bagels were Multigrain and3/5of the muffins were b
nevsk [136]
Hi there!

If Andrea bought 12 bagels and 2/3 were multigrain we can determine what the total amount of bagels that are multigrain by finding a common denominator. We can do this by multiplying 2/3 * 4 which gets us the common denominator we need.

2/3 * 4 <--- Equation
8/12 <--- Simplified from step 1.

Therefore 8 out of the 12 bagels Andrea bought were multigrain! 
5 0
3 years ago
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