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salantis [7]
3 years ago
11

Please help or I will fail math

Mathematics
1 answer:
ruslelena [56]3 years ago
7 0

Answer:

a = 51

b = 129

d = 129

w = 129

x = 51

y = 129

z = 51

hope it helps :)

mark brainliest!

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-f(3f-7)=0 solve equation<br>​
kenny6666 [7]

Answer:

F=0 or (7/3)

Step-by-step explanation:

When F is 0, the equation reads -0(3(0)-7)=0. The outside 0 will multiply by everything and make it equal 0. When F is 7/3, the inside of the parenthesis read 3(7/3)-7. This equals 7-7. It'll end up being (7/3)0, which equals 0.

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4 years ago
A dodecahedron is a Platonic solid with a surface that consists of 12 pentagons, each of equal area. By how much does the surfac
Nastasia [14]

Answer:

12 times 2 since it doubles every time I'm not that sure so if I am not correct my bads

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2 years ago
The sum of two numbers is 39. Their difference is 21. What are the two numbers?
mrs_skeptik [129]

Answer:

30 and 9

Step-by-step explanation:

x+y=39 , x-y=21

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x+y=39 , x-y=21

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4 0
3 years ago
Read 2 more answers
I NEED HELP PLEASE AND SHOW THE WORK PLEASE
Trava [24]

Answer:

6. x = 28 degrees

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Step-by-step explanation:

6.  

Notice that you can use the property that tells us that the addition of all internal angles of a triangle must give 180 degrees, then you write the following equation:

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combine like terms:

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subtract 124 from both sides:

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divide by 2 both sides:

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Problem 7.

If the two triangles are congruent, then the side MN must equal side RS.

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8 0
3 years ago
Solve for t. 3t 35=6
zhenek [66]

The answers 9. I took the test :)


3 0
4 years ago
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