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Alex787 [66]
3 years ago
7

Geometry math question please help

Mathematics
1 answer:
Fed [463]3 years ago
3 0

First you need to find the sum of all the interior angles using the formula (n-2)*180, where n is the number of sides.

There are 6 sides to this figure so the interior angles need to equal (6-2)*180 = 4*180 = 720.

Now add all the given angles together: 2x + 3x + 3x + 3x +3x +2x = 16x

Now we know 16X = 720

Find X by dividing both sides by 16:

X = 720 / 16

X = 45

Now we know X, so to find E, replace X with 45 and multiply by 3:

3X = 3(45) = 135.

E = 135. The answer is D.

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4 years ago
Find the discriminant of x^2+6x+13=0. What does this number tell you about how many real solutions there are to the equation? Sh
Lana71 [14]
Discriminant = sq root of b^2 - 4*a*c =
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5 0
3 years ago
Read 2 more answers
Can some0ne help me?
PtichkaEL [24]

Answer:

(x - 2)/3

(x - 4)/-5 or (-x + 4)/5

Step-by-step explanation:

this is an inverse function, and to solve an inverse function you would :

swap x and g(x) without bringing the x coefficient with it, just simply swap the variables. Then, solve for g(x), and that's it

the first question's answer is :

g(x) = 3x + 2

x = 3(g(x)) + 2

x - 2 = 3(g(x))

(x - 2)/3 = g(x)

the second one is:

g(x) = 4 - 5x

x = 4 - 5(g(x))

x - 4 = -5(g(x))

(x-4)/-5 = g(x)

4 0
3 years ago
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Which of the following gives an example of a set that is closed under addition.
cluponka [151]
I believe the answer is D
4 0
4 years ago
Can you help me solve these
Diano4ka-milaya [45]

Answer:

1. y = 5 - 2x

2. b = a - 3

3. x = 5y - 12

4. c = (12+7d)/3

5. y = (24-4x)/3

6. x = (4 - 3y)/2

Step-by-step explanation:


8 0
3 years ago
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