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Dvinal [7]
2 years ago
15

Write equivalent fractions for 11/12 and 9/10 using the least common denominator

Mathematics
2 answers:
qwelly [4]2 years ago
8 0

Answer:

55/60 and 54/60

Step-by-step explanation:

The LCD is 60. Multiply numerators and denominators. Hope this helps.

Tju [1.3M]2 years ago
8 0

Answer:

11/12 = 55/60, 9/10 = 54/60

Step-by-step explanation:

First, find what the common denominator would be. To do this, you want to find the LCM of 12 and 10, or the smallest possible number that is divisible by both 12 and 10.

This would be 60.

Next, you want to make the denominator 60.

You can do: 11/12 * 5/5 = 55/60

And: 9/10 * 6/6 = 54/60

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2 years ago
Read 2 more answers
Use the principle of inclusion and exclusion to find the number of positive integers less than 1,000,000 that are not divisable
wel
This is a simple problem based on combinatorics which can be easily tackled by using inclusion-exclusion principle.
We are asked to find number of positive integers less than 1,000,000 that are not divisible by 6 or 4.
let n be the number of positive integers.
∴ 1≤n≤999,999
Let c₁ be the set of numbers divisible by 6 and c₂ be the set of numbers divisible by 4.
Let N(c₁) be the number of elements in set c₁ and N(c₂) be the number of elements in set c₂.

∴N(c₁) = \frac{999,999}{6} = 166666
N(c₂) = \frac{999,999}{4} = 250000
∴N(c₁c₂) = \frac{999,999}{24} = 41667
∴ Number of positive integers that are not divisible by 4 or 6,

N(c₁`c₂`) = 999,999 - (166666+250000) + 41667 = 625000
Therefore, 625000 integers are not divisible by 6 or 4
8 0
3 years ago
The ratio of two numbers is 4 to 3. The sum of the numbers is 49. What are the two numbers?​
Irina-Kira [14]

Answer:

28/21

Step-by-step explanation:

28/21 is the equivalent to 4/3.

We know this is the fraction we are looking for because 28 + 21 = 49

Hope that helps!

4 0
2 years ago
In right triangle ABC, altitude CD is drawn to the hypotenuse. If
Free_Kalibri [48]

Answer:

A but I'm not so sure

Step-by-step explanation:

7 0
2 years ago
2. Simplify the expression. (x3)(x7)²<br> 1<br> x18<br> x14<br> x126
lisabon 2012 [21]

Step-by-step explanation:

= ( {x}^{3} ) { ({x}^{7} )}^{2}

=  {x}^{3}  \times  {x}^{7 \times 2}

=  {x}^{3}  \times  {x}^{14}

=  {x}^{3 + 14}

=  {x}^{17}

4 0
1 year ago
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