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Mazyrski [523]
3 years ago
12

Which property of real numbers is illustrated by the equation (46 +32)+71=46+(32+71)?

Mathematics
1 answer:
Troyanec [42]3 years ago
7 0
It’s associative property
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What is the answer to 4/5+9/11
SCORPION-xisa [38]
Hi there! 
When adding fractions we ALWAYS need to make sure the that denominators are the SAME .We need to find a common denominator so that the two fractions are on the same terms. In the end, the denominator stays the same. Let's start: 
We are given 2 fractions to add: 
\frac{4}{5} + \frac{9}{11}

We need to find a LEAST common denominator, start by listing the factors of 5 and 11 since both of these numbers are in the denominator. 

Factors of 5: <span>5, 10, 15, 20, 25, 30, 35, 40, 45, 50, </span><span>55
Factors of 11: </span><span>11, 22, 33, 44, </span><span><span>55

</span>As we see above, 55 is our LCD (least common denominator) 

We can change the denominator of both fractions to 55 since this is our LCD:
</span>\frac{4}{55} + \frac{9}{55}

However, if the denominator changes, the numerator changes as well. We use the following formula to find the numerators: 

(Common Denominator ÷ Denominator) x Numerator =  Numerator

Lets start by finding the numerator for the first fraction: 
4/55

<span>(55 (common denominator) ÷ 5 (original denominator) × 4 (numerator) = 44</span>

The first fraction becomes: 

\frac{44}{55}

Now let's do the second:

9/55

<span>(55(common denominator) ÷ 11(original denominator))×9(</span>numerator) = 45

Now we have: 

\frac{45}{55}

Now we have two fractions to add: 

\frac{44}{55} + \frac{45}{55}

Only add the numerators, the denominators stay the SAME !

44+45=89

Final answer: \frac{89}{55}

If you have further questions on this problem, please do not hesitate to comment below! :) Have a nice day! 

7 0
2 years ago
What is the approximate difference in tenths between StartRoot 12 EndRoot and StartRoot 15 EndRoot? 0.2 0.4 1.5 1.7
Vilka [71]

Answer:

56 i believe

Step-by-step explanation:

hope this helps

4 0
3 years ago
Read 2 more answers
Find the volume of the<br> cake if the radius is 8<br> inches and the height is 5<br> inches.
Gwar [14]

Answer:

251.327412 cubic inches is the answer

3 0
2 years ago
quentin has 18 unit cubes how many diffrent rectangular prisims can he build if he uses all of the cubes
tigry1 [53]
1.)  18 in. by 1 in.  2.)  18 in. by 1 in.  3.)  2 in. by 9 in. 4.) 9 in. by 2 in. 5)  6 in.by 3 in. 6.)   3 in. by 6 in. 
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7 0
3 years ago
Walmart is selling 24 bars Gatorade for $8.44 what is the price per bottle​
Eva8 [605]

Answer:

About $0.35 per bottle.

Step-by-step explanation:

8.44 / 24 = .3516

3 0
3 years ago
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