3 years ago

How are opposite angles of a quadrilateral related? (Select all that apply.)

Mathematics

1 answer:

Reil [10]3 years ago

4 0

Answer:

B. Supplementary

Step-by-step explanation:

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A curious patterns occurs in a group of people who all shake hands with one another. It turns out that you can predict the numbe

ycow [4]

Missing part of the question

Determine the number of handshakes, i, that will occur for each number of people, n, in a particular room. (people)

Answer:

$S_n = \frac{n}{2}(n - 1)$

Step-by-step explanation:

Given

For 5 people

$\begin{array}{cc}{People} & {Handshakes} & {5} & {4} & {4} & {3} & {3} & {2} & {2} & {1} & {1} & {0} &{Total} & {10} \ \end{array}$

Using the given instance of 5 people, the number of handshakes can be represented as:

$(n - 1) + (n - 2) + (n - 3) + ........ + 3 + 2 + 1 + 0$

The above sequence is an arithmetic sequence and the total number of handshakes is the sum of n terms of the sequence.

$S_n = \frac{n}{2}{(T_1 + T_n})$

Where

$T_1 = n - 1$ --- The first term

$T_n = 0$ --- The last term

So:

$S_n = \frac{n}{2}(n - 1 + 0)$

$S_n = \frac{n}{2}(n - 1)$

7 0

2 years ago

Fill in the blank to make the two fractions equivalent. /18 = 5/6

Dahasolnce [82]

Answer:

15/18=5/6

hope it helps ;-)

8 0

3 years ago

Read 2 more answers

Pleasee help me on my bellwork!!!! i will mark you BRAINLIEST!!!

brilliants [131]

17/2, 8 and 1/2 or 8.5 are all the correct answers.

5 0

3 years ago

Y equals 8 X equals 575 Solve for slope intercept y equals mx + b

zhannawk [14.2K]

y = 8

x = 575

We want to solve for b in the slope-intercept form y = mx + b.

To complete this problem, we need the value of m, the slope. If you know m, then just plug into y = mx + b this way:

8 = 575m + b

3 0

3 years ago

If x = -8, then which of the following equations makes a true statement?

Sindrei [870]

It would be B. Because if x = -8 2x= -16-2 would be-18

6 0

3 years ago