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3 years ago

Least common multiples of 18, 16,and 20

Mathematics

2 answers:

mario62 [17]3 years ago

8 0

Least common multiples of 18, 16, and 20 is 1,2

rewona [7]3 years ago

5 0

720 is the least common multiple

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Find the equation of the axis of symmetry of the following parabola algebraically.

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What is the volume of a cone that has a radius of 4 units and a height of 6 units?

gregori [183]

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Evaluate the following 4+18÷3+4×5

Yuri [45]

is the correct answer.

PEMDAS

4*5= 20
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4 0

3 years ago

The mean of a sequence of n numbers is m. If we split the sequence into two sequences of lengths n1 and n2 and compute their mea

Furkat [3]

The mean of a sequence of numbers is the average.

The true statement is: $\mathbf{mn = m_1 \times n_1 + m_2 \times n_2}$

The given parameters are:

$\mathbf{Mean = m}$

$\mathbf{Size = n}$

The mean of a dataset is calculated as:

$\mathbf{Mean = \frac{\sum x}{Size}}$

So, we have:

$\mathbf{m = \frac{\sum x}{n}}$

Multiply both sides by m

$\mathbf{\sum x = mn}$

When the sequence is split into two, we have:

$\mathbf{\sum x_1 = m_1\times n_1}$

$\mathbf{\sum x_2 = m_2\times n_2}$

Where:

$\mathbf{\sum x_ = \sum x_1 + \sum x_2}$

So, we have:

$\mathbf{mn = m_1 \times n_1 + m_2 \times n_2}$

Hence, the true statement is: $\mathbf{mn = m_1 \times n_1 + m_2 \times n_2}$

Read more about mean and averages at:

brainly.com/question/16217700

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3 years ago

When Jim surveyed 5 sixth-grade students at the community skating rink, he found that only 1 out of the 5 had completed the

kati45 [8]

Answer: yes its a good inference

Step-by-step explanation:

its a good inference because if you multiply 32 by 5 it makes 160 and sense its 1 of every 5 it should be one fifth you find one fifth by dividing the hole number by 5 and reverse it by multiplying it by 5.

7 0

4 years ago