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Digiron [165]
3 years ago
15

How does 2π/4 simplify to π/4?

Mathematics
1 answer:
lana [24]3 years ago
5 0
It doesn't
remember that
(x/g) times (y/z)=(x time y)/(g times z) so
2pi/4=(2 times pi)/(4 times 1) so
2pi/4=2/4 times pi/1=1/2 times pi/1=pi/2
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Evaluate the function f(x) = -7x + 2 at f(-18).
enyata [817]

Answer:

128

Step-by-step explanation:

-7x+2 = -18(-7)+2=126+2=128

7 0
2 years ago
A given line has the equation 10x+2y=-2.
Iteru [2.4K]

The equation of a line of the slope-intersection form is given by:

y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

If two lines are parallel then their slopes are equal.

We have the following line:

10x + 2y = -2\\2y = -10x-2\\y = -5x-1

Thus, the slope of the line is -5.

Therefore a parallel line is of the form:

y = -5x + b

We replace the point (0,12)

12 = -5 (0) + b\\12 = b

Finally, the equation is of the form:

y = -5x + 12

Answer:

5x + y = 12

8 0
3 years ago
Help Me! WITH THIS HARD PROBLEM
Anon25 [30]
I dont know what question you were asking for but i hope its question 15 the answer is B


7 0
3 years ago
Read 2 more answers
Which graph shows the solution to the inequality -3x-7<20
Anestetic [448]

Answer:

-9 < x

Step-by-step explanation:

-3x - 7 < 20

+ 7 + 7

___________

-3x < 27

___ ___

-3 -3

x > -9 [Whenever you <em>divide</em><em> </em>or <em>multiply</em><em> </em>by a negative, reverse the inequality symbol.]

The above answer is written in reverse, which is the exact same result.

I am joyous to assist you anytime.

6 0
3 years ago
Read 2 more answers
There are no answer choices, if someone can solve this, I'd appreciate it. :)
Semenov [28]
Number of trees that are grew more than 3 feet = 10 + 35 = 45

Number of trees that grew more than 3 feet and is more than 50 yards away = 35

P(3 feet and more than 50 yards) = 35/45 = 7/9

Answer: 7/9
5 0
3 years ago
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