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Fynjy0 [20]
4 years ago
15

Help! giving 13 points!

Mathematics
1 answer:
Shtirlitz [24]4 years ago
6 0
To determine the perimeter of the triangle given the vertices, calculate the distances between pair of points. For the first pair (-5,1) and (1,1), the distance is 6. For the next pair, (1,1) and (1, -7), the distance is 8. Lastly, for the pair of points (-5,1) and (1, -7), the distance is 10. Adding all the distance will give the perimeter of the triangle. Thus, the perimeter is 24. 
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A wrestling match has eliminations each round. The table below shows the number of wrestlers in each of the first 4 rounds of th
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<span>negative fifty five over three, on average, there were 55 fewer players for every 3 rounds 


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3 years ago
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Jacob invested $300 in a savings account and earned $81 in interest at the end of 9 years. What was the interest rate?
ollegr [7]
R = (1/t)(A/P - 1)r = (1/9)((300/81) - 1)Reduce the expression by cancelling the common factors.r=(1/9)(100/27−1)Combine 100/27 and −1 using a common denominator.r=(1/9)(100−1⋅27/27)Simplify the numerator.r=(1/9)(73/27)r = 0.30041152converting r decimal to a percentageR = 0.30041152 * 100 = 30.0412%/yearA. 3%
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8 0
4 years ago
What is the volume of this Sphere?<br><br> 8 pi cm3<br> 16 pi cm3<br> 27 pi cm2<br> 36 pi cm2
agasfer [191]

Answer:

V = 36 pi cm^3

Step-by-step explanation:

The volume of a sphere is given by

V = 4/3 pi r^3 where 4 is the radius

V = 4/3 pi(3)^3

V = 36 pi cm^3

6 0
3 years ago
X=<br><br> a) 80<br> b) 90<br> c) 100
Alinara [238K]
The diameter is 80 or the first answer
6 0
4 years ago
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The top of a 230 foot vertical tower is to be anchored by cables that make an angle with a measure of 50 degrees with the ground
Triss [41]

9514 1404 393

Answer:

  • cable length: 300.2 ft
  • anchor distance: 193.0 ft

Step-by-step explanation:

The side given is opposite the given angle. We want to find both the hypotenuse and the adjacent side in the right triangle that models the geometry.

  Sin = Opposite/Hypotenuse

  sin(50°) = (230 ft)/h

  h = (230 ft)/sin(50°) ≈ 300.24 ft

The length of the cable must be about 300.2 feet.

__

  Tan = Opposite/Adjacent

  tan(50°) = (230 ft)/d

  d = (230 ft)/tan(50°) ≈ 192.99 ft

The cable must be anchored about 193.0 ft from the tower.

4 0
3 years ago
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