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Furkat [3]
3 years ago
5

All triangles are the same I need surface area !!!!

Mathematics
1 answer:
kow [346]3 years ago
6 0
Split the square in half what is it? Two triangles add two triangles together 127 + 127 = 254 the surface area is 254
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Assume a plane is flying directly north at 200 mph, but there is a wind blowing west at 23 mph. Part I: Express both the velocit
yuradex [85]
Define i  as a unit vector in the eastern direction.
Define j as a unit vector in the northern direction.

Part I
Because the wind is blowing west, its velocity vector is
 -23i mph or as (-23, 0) mph
Because the plane is traveling north, its velocity vector is
  200j mph or as (0, 200) mph 

Part II
The actual velocity of the plane is the vector sum of the plane and wind velocities.
That is,
200j - 23i or (-23, 200) mph

Part III
The ground speed of the plane is the magnitude of its vector.
The ground speed is
√[200² + (-23)²] = 201.32 mph

The ground speed of the plane is 201.3 mph (nearest tenth)

Not:
The direction of the plane is
 tan⁻¹ 23/200 = 6.56° west of north.


7 0
3 years ago
13. What is the surface area of the rectangular solid below using its net?
loris [4]

<u><em>Answer:</em></u>

108 square units

<h3><u><em>Step-by-step explanation:</em></u></h3>

3 x 4 = 12

3 x 4 = 12

6 x 3 = 18

6 x 3 = 18

6 x 4 = 24

6 x 4 = 24

24(2) + 18(2) + 12(2) = 108 square units

Therefore, the surface area of the rectangular solid below using its net is <u>108 square units</u>

4 0
2 years ago
15. According to the US Census Bureau the population in Orange County, CA is growing at a rate of approximately 3.5% every 3 yea
poizon [28]
I’m sorry I don’t know but I need the points:(
5 0
2 years ago
Given an exponential function for compounding interest, A(x) = P(1.02)x, what is the rate of change?
Sedbober [7]
A(x) = P(1.02)^x
A(x) = P(1 + 0.02)^x
A(x) = P(1 + r)^x

Therefore rate of change = 0.02 = 2%
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3 years ago
HELLO PLEASE HELP ME I WILL GIVE BRAINLIEST
Arturiano [62]
I pretty sure it’s A
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3 years ago
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