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Llana [10]
3 years ago
12

Help with math? Thanks in advance.

Mathematics
2 answers:
erastovalidia [21]3 years ago
7 0
A. Add up to 180 degrees. Hope this helps.
zvonat [6]3 years ago
7 0
Add up to 180 degrees
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The measure of one angle is eleven more than four times a number. Another angle is twice the first angle’s measure. The sum of t
hammer [34]

The measure of first angle is 65 degrees and measure of second angle is 130 degrees

<em><u>Solution:</u></em>

Let "x" be the number

<em><u>The measure of one angle is eleven more than four times a number</u></em>

Measure of first angle = 11 + 4(x)

Measure of first angle = 11 + 4x

<em><u>Another angle is twice the first angle’s measure</u></em>

Measure of second angle = twice the measure of first angle

Measure of second angle = 2(11 + 4x)

<em><u>The sum of the measures of the angles is 195 degrees</u></em>

Measure of first angle + Measure of second angle = 195

11 + 4x + 2(11 + 4x) = 195

11 + 4x + 22 + 8x = 195

12x + 33 = 195

12x = 195 - 33

12x = 162

x = 13.5

<em><u>Thus, measures of each angle are:</u></em>

Measure of first angle = 11 + 4x = 11 + 4(13.5) = 11 + 54 = 65

Measure of second angle = 2(11 + 4x) = 2(11 + 4(13.5)) = 130

Thus measure of first angle is 65 degrees and measure of second angle is 130 degrees

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An investor invests $500 in a certain stock. After the first six months, the value if the stock has increased at a rate of $20 p
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Read 2 more answers
What is the value of x- This is for brainliest!
aleksandr82 [10.1K]
You would need to write a solvable equation, and you can do this because you know that angles in a triangle add up 180° so the missing angle must be (180 - 9x). This makes the equation:
5x + 9 + x + (180 - 9x) = 180
6x + 9 + 180 - 9x = 180
-3x + 189 = 180
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÷ -3
x = 3

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8 0
3 years ago
-24 - ( 1/2) - 12.5=​
andre [41]

Answer:

-37

Step-by-step explanation:

4 0
2 years ago
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