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Sphinxa [80]
3 years ago
10

Help me on this last one, I'm offering 100 points

Mathematics
1 answer:
lawyer [7]3 years ago
7 0

Answer:

b=73

Step-by-step explanation:

Apply the concept of vertically opposite angles.

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I need help fast please I don’t understand this and I’ve been struggling for a while. Can I get a brain list please or a tutor t
solong [7]

Answer:

4 √6

Step-by-step explanation:

We have a few right triangles. We know that a²+b²=c², with c being the side opposite the right angle. Representing the side without a value as z, we have:

m²+z² = (8+4)² = 12²

4²+n²=z²

8²+n²=m²

We have 3 equations with 3 unknown variables, so this should be solvable. One way to find a solution is to put everything in terms of m and go from there. First, we can take n out of the equations entirely, removing one variable. We can do this by solving for it in terms of z and plugging that into the third equation, removing a variable as well as an equation.

4²+n²=z²

subtract 4²=16 from both sides

z²-16 = n²

plug that into the third equation

64 + z² - 16 = m²

48 + z² = m²

subtract 48 from both sides to solve for z²

z² = m² - 48

plug that into the first equation

m² + m² - 48 = 144

2m² - 48 = 144

add 48 to both sides to isolate the m² and its coefficient

192 = 2m²

divide both sides by 2 to isolate the m²

96 = m²

square root both sides to solve for m

√96 = m

we know that 96 = 16 * 6, and 16 = 4², so

m = √96 = √(4²*6) = 4 √6

5 0
2 years ago
Select all of the values.
Allushta [10]
the answer is B C D
3 0
3 years ago
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A cylinder has a radius of 24 m and a height of 9 m, what is exact volume of the cylinder
bixtya [17]
Is there anything to choose from
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Change 2y-3+18 to the distributive property
Alexxandr [17]
2(y-3) +18

That’s what it looks like
6 0
2 years ago
On average, an American hummingbird flaps its wings about 3,180 times per minute.
Elden [556K]

Answer:

53 times per second

Step-by-step explanation:

There are 60 seconds in 1 minute, so divide the 3180 flaps per minute into 60 equal parts.

3180 / 60 = 53

5 0
2 years ago
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