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Debora [2.8K]
3 years ago
5

What is the mode 13 15 15 11 18 18 11 9 12 10 18 18

Mathematics
2 answers:
ki77a [65]3 years ago
7 0

Answer:

A 18

Step-by-step explanation:

The mode means "The Most". There are more 18's than any other number.

Art [367]3 years ago
3 0

Answer:

A.) 18

Step-by-step explanation:

The mode is the number that occurs the most in the set, so it would be helpful to rearrange your numbers:

9

10

11, 11

12

13

15,15

18,18,18,18

From rearranging them, you can see that 18 occurs 4 times in the set, so 18 is the mode.

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<u>\frac{mn}{p}</u>

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If a = √3-√11 and b = 1 /a, then find a² - b²​
Serga [27]

If b=\frac1a, then by rationalizing the denominator we can rewrite

b = \dfrac1{\sqrt3-\sqrt{11}} \times \dfrac{\sqrt3+\sqrt{11}}{\sqrt3+\sqrt{11}} = \dfrac{\sqrt3+\sqrt{11}}{\left(\sqrt3\right)^2-\left(\sqrt{11}\right)^2} = -\dfrac{\sqrt3+\sqrt{11}}8

Now,

a^2 - b^2 = (a-b) (a+b)

and

a - b = \sqrt3 - \sqrt{11} + \dfrac{\sqrt3 + \sqrt{11}}8 = \dfrac{9\sqrt3 - 7\sqrt{11}}8

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5 0
1 year ago
Hailey paid $13 for 1 3/7 kg of sliced salami <br><br> What was the cost per kilogram of salami
JulijaS [17]

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Then, note that division is the same as multiplying by the divisor's reciprocal.

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answer: $9.10 per kilogram

4 0
3 years ago
Read 2 more answers
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