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True [87]
3 years ago
7

Hello? i have a question.​

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
4 0

Answer:

whats your question

Step-by-step explanation:

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a straight trail with a uniform inclination of 11 degrees from a lodge at an elevation of 700 feet to a mountain lake at an elev
kozerog [31]

Answer:

r = 38584.155\,ft

Step-by-step explanation:

The length of the trail is obtained by the definition of sine, where height is the opposite leg and length is the hypotenuse:

\tan 11^{\textdegree} = \frac{8200\,ft-700\,ft}{r}

The length of the trail is:

r = 38584.155\,ft

4 0
2 years ago
A cone has a radius of 4.96 cm and a volume of 102 cm³
horrorfan [7]

Answer:

h= 12/pi OR 3.81972

Step-by-step explanation:

100= \frac{1}{3}5^{2}h

100= \frac{1}{3}\pi 25h

100= \frac{25\pi h}{3}

\frac{12}{\pi } =h

8 0
2 years ago
85,000,000+2.9×10 5 pleas and thank you
irina [24]

Answer:

Step-by-step explanation:

Assuming you are asking for

85,000,000 + 2.9 x 10^5 =

8.5 x 10^7 + 2.9 x 10^5 =

10^5 ( 8.5 x10^2 + 2.9) =

10^5 ( 850+2.9) =

10^5 ( 852.9) =

10^5 x 8.529 x 10 ^2=

8.529 x 10^7

or

85,000,000 + 2.9 x 10^5 =

85,000,000 + 290,000 =

85290000 =

8.529 x 10 ^7 (because we moved 7 spots to the left)

5 0
2 years ago
Express the radical using the imaginary unit, i.
MrMuchimi

Answer:

±3i

Step-by-step explanation:

Given the value ±√-9, we are to express the value using the imaginary number 'I'

±√-9 = ±√9×-1

= ±√9 × √-1

In complex number, √-1 = i

The expression becomes;

±√9 = ±3 × i

±√9 = ±3i

Hence the value in simplified form is ±3i

7 0
3 years ago
I need help can anyone help me with this pls
Cerrena [4.2K]
It might be 2.5 but I could be wrong
3 0
2 years ago
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