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shepuryov [24]
3 years ago
13

Angles A and B are supplementary. Angle A has a measure of 80°. What is the measure of angle B? The measure of angle B is °.

Mathematics
2 answers:
Elena-2011 [213]3 years ago
3 0
Answer: 100 degrees
Since it is supplementary, it equals 180 degrees. If you take 180 and subtract 80 from it, you will get your answer
aleksley [76]3 years ago
3 0

Answer:

100°

Step-by-step explanation:

Supplementary angles equal 180° when added together.  

subtract 80° (angle A) from 180° (total sum of angles) and you get 100° (angle B)

hope this helps :)

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What is 9 1/2 x 1/4? i just need it for a math question on study island.
liberstina [14]

Answer:

2 \frac{3}{8}

Step-by-step explanation:

9 \frac{1}{2}  \times  \frac{1}{4}  \\  \frac{19}{2}  \times  \frac{1}{4}  \\  =  \frac{19}{8}  \\  = 2 \frac{3}{8}

hope this helps

brainliest appreciated

good luck! have a nice day!

4 0
3 years ago
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I give free brainlest :D
Ede4ka [16]

Answer:

Yes plz!

Step-by-step explanation:

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2 years ago
PLZ HELP I WILL MAKE YOU BRAINLIEST NO FAKE LINKS
chubhunter [2.5K]

1st question: C

2nd question: A

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2 years ago
PLS PLS HELP WILL GIVE 50 POINTS TO BRAINLIEST How do you find the radius of a circle with the equation: 03.5 (x+2.2)^2 + 3.5 (y
alexgriva [62]

Answer: r=√6 or r≈2.45.

Step-by-step explanation:

To find the radius, you first need to know the equation of a circle.

Equation of a circle: (x-h)^2+(y-k)^2=r^2

Now that we know the equation of the circle, we can use it to find the radius of the given equation.

3.5(x+2.2)²+3.5(y-11.1)²-21=0

So far the equation looks pretty similar with the exception of the bolded areas. To get rid of them, we need to use our algebraic properties.

3.5(x+2.2)²+3.5(y-11.1)²-21=0                    [add both sides by 21]

3.5(x+2.2)²+3.5(y-11.1)²=21                       [factor out 3.5]

3.5((x+2.2)²+(y-11.1)²)=21                           [divide both sides by 3.5]

(x+2.2)²+(y-11.1)²=6

Now, our equation is the same as the one posted above. You may think that 6 is our radius, but if you look closely, the equation is equal to r². Therefore, 6 is actually r², not r.

r²=6                                                             [square root both sides]

r=√6

Finally, we have the final answer, r=√6 or r≈2.45.

7 0
3 years ago
The probability density of a random variable X is given in the figure below.
vekshin1
The answer is actually 62
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3 years ago
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