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UkoKoshka [18]
3 years ago
10

Please help me, i will give brainliest + 25 points

Mathematics
1 answer:
creativ13 [48]3 years ago
8 0

Answer:

.

Step-by-step explanation:

the answer is a im positive

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I WILL MARK BRAINIEST <br> please answer question 5
Marat540 [252]

Answer:

a = 150

Step-by-step explanation:

The sum of the internal angles of an octagon is 1080°.

4a+4(120)=1080 (There are four 120^{\circ} and 4 a^{\circ}, they sum to 1080°)

4a + 480 = 1080

4a = 600

a = 150

Hope this helps :)

4 0
3 years ago
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Solve the equation for y: 6x-2y=14<br> Must show work
Marianna [84]

Answer:

i dont know this

Step-by-step explanation:

but what grade are u in?

3 0
3 years ago
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If f(x) = 2x^2+3 and g(x)= 5x, evaluate the following: a. f(g(x)) b. g(g(3)) c. g(f(-2))
marissa [1.9K]

Answer:

A = 50x^2+3

B = 75

C = 55

Step-by-step explanation:

f(x)=2x^2+3\\g(x)=5x

A. f(g(x))

2(5x)^2+3\\2(25x^2)+3\\=50x^2+3

B. g(g(3))

5(5(3))\\5(15)\\=75

C. g(f(-2))

g(2(-2)^2+3)\\g(8+3)\\g(11)\\5(11)\\=55

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2 years ago
Use the properties of real numbers to simplify the expression:<br> If m=18, then m−4=
Alinara [238K]
14

18-4=14

Mark brainliest please
8 0
3 years ago
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A. angleFJG = angleHJG by SAS<br> PLEASE HELP
Vlada [557]

Answer:

J is midpoint

side FJ = side JH    Def of midpoint

angle GJF = GJH    perpendicular bisector both 90 degrees

JG=JG     reflexive property

Therefore triangle FJG = HJG

3 0
3 years ago
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