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amm1812
2 years ago
10

Find the geometric mean of 8 and 13.

Mathematics
1 answer:
Doss [256]2 years ago
7 0
Find the factors from the roots, then multiply the factors together.
y
=
x
2
−
21
x
+
104
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What is a positive angle less than 360 degrees that is conterminal with -289 degrees
wel

Answer:

The positive angle that less than 360° and is conterminal with -289° is 71°

Step-by-step explanation:

  • When a terminal of an angle moves anticlockwise, then it makes a positive angle with the positive part of the x-axis
  • When a terminal of an angle moves clockwise, then it makes a negative angle with the positive part of the x-axis
  • To find the positive angle which has the same terminal of a negative angle add the measure of the negative angle by 360°

Let us solve the question

∵ The measure of the angle is -289°

→ Add its measure by 360° to find the positive angle that is conterminal

   with it

∵ The measure of the positive angle = -289° + 360°

∴ The measure of the positive angle = 71°

The positive angle that less than 360° and is conterminal with -289° is 71°

4 0
3 years ago
Solving Exponential Equations (lacking a common base)<br><br>(0.52)^q=4
bulgar [2K]

Answer:

q = log4 / log0.53

q = -2.189

Step-by-step explanation:

(0.53)^q = 4

Taking log of both sides!

q log 0.53 = log 4

q = log 4 / log 0.53

q = 0.602 / -0.275

q = - 2.189

This can be checked to confirm correctness.

Substituting q = -2.189

(0.53)^ -2.189 = 1/ 0.249

= 4.01 Proved!

(Note that the "1" is because of the negative sign)

8 0
3 years ago
Read 2 more answers
I need help with this?
Anastaziya [24]

Answer:

it is 7

Step-by-step explanation:

6 0
3 years ago
Lisa spends part of her year as a member of a gym. She then finds a better deal at another gym
Tema [17]
I’m having trouble understanding this question.?
5 0
3 years ago
Someone please help me!
Lerok [7]

Answer:

x = -3

Step-by-step explanation:

When you take the cube root of -27, -3 is your answer. To double check, just cube -3 (or -3 x -3 x -3) and you can see you get -27.

6 0
3 years ago
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