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Musya8 [376]
3 years ago
9

The measure of an angle is 145.7°.What is the measure of its supplement?

Mathematics
1 answer:
mezya [45]3 years ago
7 0

Answer:

34.3°

Step-by-step explanation:

The sum of supplementary angles = 180° , then

supplement = 180° - 145.7° = 34.3°

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What the simplified of 2/3 dived by 2/9
mars1129 [50]

Answer:

3

Step-by-step explanation:

Divide \dfrac{2}{3} by \dfrac{2}{9}:

\dfrac{2}{3}:\dfrac{2}{9}=\dfrac{2}{3}\cdot \dfrac{9}{2}=\dfrac{2\cdot9}{3\cdot 2}=\dfrac{9}{3}=3.

6 0
3 years ago
How many digits are in the repetend of the decimal expansion for 2/41
AleksandrR [38]

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Step-by-step explanation:

the answer will be 5 because it starts at 0.

5 0
3 years ago
How to approximate to 3 significant figures
kondaur [170]

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We round a number to three significant figures in the same way that we would round to three decimal places. We count from the first non-zero digit for three digits. We then round the last digit. We fill in any remaining places to the right of the decimal point with zeros.

3 0
3 years ago
-7x - 2y = 19<br> 4x + y = -12<br> Solve the system
nalin [4]

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Set y equal to each other (opposite signs are fine and you could also set x equal instead of y)

-7x - 2y = 19

8x + 2y = -76

Add equations together

x = -52

Plug x value into an equation

4(-52) + y = -12

Solve for y

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y = 196

Hope this helps! ;)

4 0
3 years ago
Anyone know the answer?
ANTONII [103]
PKE is a triangle and its interior angles therefor sum to 180deg:

P+K+E=180
90+(x+6)+2x=180
96+3x=180
3x=84
x=\frac{84}{3}=28deg
5 0
3 years ago
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