4 years ago

Please heeeepepeepepeplp

Mathematics

1 answer:

zaharov [31]4 years ago

4 0

SA= 2(lxw)+2(lxh)+2(hxw)
Hope this helps

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9r-6-LLFE4r + 19D8r+3What is the value of r?What is the length of segment EF?✓units

Amanda [17]

Let's equate the congruent sides.

$\begin{gathered} 9r-6=8r+3 \\ r=9 \end{gathered}$

Now, the segment EF is equal to the segment CD:

$4r+19=4\cdot9+19=55$

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1 year ago

I need help with question 1 URGENTTTTTT

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When finding the area of a triangle, you always divide the product by 2 because a triangle is half a square.

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Huddson has practiced a 360-back flip for months. This week, he did it perfectly 24 out of 54 times. At this rate, how many time

iris [78.8K]

Let x = perfect flips out of nine
$\frac{24}{54} = \frac{x}{9}$
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3 years ago

The diagram below shows a circular pizza with a diameter of 12 inches. The pizza is in a square box with side lengths of 14 inch

saw5 [17]

Answer:

Step-by-step explanation:

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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