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Kazeer [188]
2 years ago
14

How many right angles are formed by perpendicular lines in spherical geometry?

Mathematics
2 answers:
Veronika [31]2 years ago
7 0

Answer:

8

Step-by-step explanation:

I am good at math

ASHA 777 [7]2 years ago
5 0
Answer:
A. 8

Steps:
Perpendicular lines form 8 right angles.
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By law, sales tax has to be applied to the discount price. However, would it be better for the consumer if the 7.5% sales tax wa
Dima020 [189]

Answer:

mark me brinliest first because people take the answer but never mark

Step-by-step explanation:

6 0
3 years ago
Ab" that goes through points (0,9)<br> Write an exponential function in the form y<br> and (5,2187)
klasskru [66]

9514 1404 393

Answer:

  y = 9(3^x)

Step-by-step explanation:

We assume you want a function in the form ...

  y = a(b^x)

that passes through points (0, 9) and (5, 2187).

Filling in the given point values, we have ...

  9 = a(b^0) = a

  2187 = a(b^5) = 9(b^5) . . . . using the above value of 'a'

Dividing the second equation by 9 and taking the 5th root, we find b.

  (2187/9) = b^5

  243^(1/5) = b = 3

The exponential function is ...

  y = 9(3^x)

4 0
3 years ago
The fraction 4/10 can be written as<br><br> A) 0.0004 <br> B) 0.004 <br> C) 0.04 <br> D) 0.4
lara31 [8.8K]
You can simplify the fraction to get 2/5. If you convert this into a decimal you will get 0.4, so D is your answer.
6 0
4 years ago
Read 2 more answers
Please help: (picture)
Slav-nsk [51]

We need to solve the speed formula for d. To do so, let's start by moving the number of the left hand side:


\frac{S}{356} = \sqrt{d}


Square both sides to get rid of the square root:


\frac{S^2}{126736} = d


Now plug the known value of the speed to find the distance:


d = \frac{140^2}{126736} = \frac{19600}{126736} \approx 0.15465


So the closest answer is the last one: d=0.155km

3 0
4 years ago
If f(1) = 9 and f(n) = -4f(n-1) + 4 then find the value of f(3).
Novay_Z [31]

Answer:

132

Step-by-step explanation:

f(1) = 9

f(n) = -4f(n-1) + 4

Let n = 2

f(2) = -4f(2-1) + 4 = -4 f(1) +4 = -4(9) +4 = -36+4 = -32

Let n = 3

f(3) = -4f(2-1) + 4 =-4f(2)+4 =  -4 (-32) +4 = 128+4=132

4 0
2 years ago
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