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3 years ago

Find the measure of each angle indicated.

Mathematics

2 answers:

gavmur [86]3 years ago

8 0

Those are same side interior angles which means they are supplementary and add up to 180. 180-51=129. Missing angle equals 129.

bekas [8.4K]3 years ago

7 0

You have to decide all sides to figure out all the kissing pieces

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During an experiment, Mrs. Melsoner uses an analytical scale to measure the mass of a substance. The analytical scale says she h

stich3 [128]

Answer:

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2 years ago

Sheila paid $8.68 for 7 flower<br> plants. How much did she pay for<br> each plant?

Olin [163]

Answer:

$1.24 per plant

Step-by-step explanation:

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2 years ago

The expression 5 + 5x is equivalent to the expression

poizon [28]

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5(1+x)

Step-by-step explanation:

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2 years ago

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

HELP

Lostsunrise [7]

Answer:

${b}^{2} + 3b - 3 = 0$

Step-by-step explanation:

${b}^{2} + 3b - 3 = 0 \\ because \: \: {b}^{2} < 4ac \\ {b}^{2} = {3}^{2} = 9 \\ 4ac = 4 \times 1 \times - 3 = - 12 \\ hence : {b}^{2} < 4ac$

3 0

2 years ago