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ivanzaharov [21]
2 years ago
15

Find the area of 6,4,15 help please

Mathematics
1 answer:
ra1l [238]2 years ago
4 0

Answer:

Ps. don't  show your link next time becuase if you look up sequin you get TEXAS. answer is 360

Step-by-step explanation:

multiply one at a time

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a space shuttle is 50 miles above earth an astronaut on the shuttle sees the sun rise over earth. to the nearest mile, what is t
Ludmilka [50]
From the astronaut to the horizon is a tangent line to the curvature of the earth.  And from that point on the horizon to the center of the earth is at a right angle to the tangent and is equal to the radius of the earth...so we can say

cosα=r/(r+h) where r is the radius of the earth and h is the height above the surface of the earth...

α=arccos(r/(r+h))

now tanα=d/r where d is the distance from the astronaut to the point on the horizon so:

tan(arccos(r/(r+h))=d/r

d=rtan(arccos(r/(r+h)))  and using r≈4000 and h=50 we get:

d=4000tan(arccos(4000/(4050)))

d≈634.42mi

d≈634 mi (to nearest mile)
6 0
3 years ago
What does inversely proportional mean​
Assoli18 [71]
If one value is inversely proportional to another then it is written using the proportionality symbol in a different way. Inverse proportion occurs when one value increases and the other decreases. For example, more workers on a job would reduce the time to complete the task. They are inversely proportional.
7 0
3 years ago
Wavelength and Frequency
Elden [556K]

Answer:

B. B and C

Step-by-step explanation:

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5 0
3 years ago
Solve the equation 7 − 2x = 19.
Karolina [17]

Answer:

-6

Step-by-step explanation:

firstly arrange whole equation,

-2x+7=19

Now, Transpose 7 to RHS (right hand side)

-2x=19-7

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Further, seperate coefficient -2 from x

and transpose it to RHS and divide them

x=12/-2

Hence, x= -6

8 0
3 years ago
Janet has three times as many dimes as nickels and twice as many quarters as nickels. If she has $3.40 in all, how many nickels,
Oliga [24]
Good morning, your answer would be <span>5n + 10n + 25n = 340.</span>
8 0
3 years ago
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