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lilavasa [31]
3 years ago
11

Find the radian measure of an angle of -280°

Mathematics
1 answer:
Bingel [31]3 years ago
4 0
To convert an angle from degrees to radians, multiply by π/180°.

Your angle is
   (-280°)*(π/180°) = -14π/9

The appropriate choice is ...
   B) (-14π/9)
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3 years ago
How many 1 inch cubes do you need to create a cube with an edge length of 6 inches?
galben [10]
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3 years ago
One root of f(x) = x + 10x2 – 25x – 250 is x = -10. What are all the roots of the function? Use the Remainder Theorem.
Natalka [10]

Answer:

-10

-5

5

Step-by-step explanation:

From the answers given, you probably mean f(x) = x^3 + 10x2 – 25x – 250

The Remainder Theorem is going to take a bit to solve.

You have to try the factors of 250. One way to make your life a lot easier is to graph the equation. That will give you the roots.

The graph appears below. Since the y intercept is -250 the graph goes down quite a bit and if you show the y intercept then it will not be easy to see the roots.

However just to get the roots, the graph shows that

x = -10

x = - 5

x = 5

The last answer is the right one. To use the remainder theorem, you could show none of the answers will give 0s except the last one. For example, the second one will give

f((10) = 10^3 + 10*10^2 - 25*10 - 250

f(10) = 1000 + 1000 - 250 - 250

f(10) = 2000 - 500

f(10) = 1500 which is  not 0.

==================

f(1) = (1)^3 + 10*(1)^2 - 25(1) - 250

f(1) = 1 + 10 - 25 - 250

f(1) = -264 which again is not zero

3 0
3 years ago
Read 2 more answers
What number needs to be subtracted from both sides of the equation 40 = 25 + x in order to solve for x? HELP PLEASE!!!
dalvyx [7]

Answer:

Subtract 25 to both sides

6 0
3 years ago
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What is the prime fractorization of 84
Anvisha [2.4K]
84/2 = 42
42/2 = 21
21/3 = 7
7/7 = 1

84 = 2^2 * 3 * 7
8 0
3 years ago
Read 2 more answers
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