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Aleksandr [31]
3 years ago
6

Someone help with math

Mathematics
1 answer:
professor190 [17]3 years ago
7 0
Omg I need help too!!!
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What is the value of K
Elan Coil [88]

Answer:

k = 10

Step-by-step explanation:

We first have to get the 3rd angle: 180 - 115 = 65

Sum of angles in a triangle = 180

65 + (4k + 5) + (6k + 10) = 180

Collect like terms

65 + 10k + 15 = 180

80 + 10k = 180

Subtract 80 from both sides

10k = 100

Divide both sides by 10

k = 10

8 0
3 years ago
Max makes a scale drawing of the distance between Salt Lake City and Arizona. The distance between Salt lake City and Arizona is
kari74 [83]
21cm / 7cm = 3 x 250 km = 750 km
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3 years ago
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liberstina [14]

Answer:

P = 3x + 7

Step-by-step explanation:

The perimeter (P) is the sum of the 3 sides of the triangle, that is

P = x + 5 + x + 4 + x - 2 ← collect like terms

  = 3x + 7

7 0
3 years ago
If (-3, y) lies on the graph of y = 3x, then y=<br> 01/27<br> 0-1<br> 0-27
AlladinOne [14]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
The side length,s, of a cube is 4x^2+3. What is the volume of the cube
Gala2k [10]
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