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Igoryamba
3 years ago
14

Help on geometry work?

Mathematics
1 answer:
Likurg_2 [28]3 years ago
8 0
D=122 degrees, hope this helps!!
You might be interested in
2(5-3v)+9v=28 step by step please
Irina-Kira [14]
First, distribute the 2 across the parenthesis.
10-3v+9v=28
Combine like terms on the left.
10+6v=28
Start to get the numbers on the right and the v alone on the left by moving the 10 to the right.
6v=28-10
6v=18
Divide to get the v alone.
v=3

Hope that helps.
4 0
3 years ago
Solve the system using elimination: Help me please<br><br><br>12x - 8y = -12 <br><br>6x + 4y = -30
LUCKY_DIMON [66]

12x - 8y = -12  

6x + 4y = -30

Multiply the 2nd equation by 2, to make the Y coefficients opposite:

6x + 4y = -30 x 2 = 12x + 8y = -60

Now add the two equations:

12x -8y = -12 + 12x +8y = -60

=  24x = -72

Divide bothe sides by 24 to solve for x:

x = -72/24

x = -3

Now replace x with -3 in the first equation to solve for y:

12(-3) - 8y = -12

-36 - 8y = -12

Add 36 to each side:

-8y = 24

Divide both sides by -8 to solve for y:

y = 24 / -8

y = -3

X = -3 and y = -3

(-3,-3)

4 0
3 years ago
Augustus ruled the roman empire from 27 BC to AD 14.For how many years did he rule?<br><br><br>​
Semmy [17]

Answer:

40 years

Step-by-step explanation:

He was also the first Roman Emperor

4 0
3 years ago
Solve for x. <br> x2+8x+6=0
11111nata11111 [884]

Answer

x=-3/5 or x= -0.6

Step-by-step explanation:

4 0
3 years ago
1/2a=1/4a+2<br> Solve for a:<br> Check your solution:
vekshin1

Answer:

a=-1

Step-by-step explanation:

1/2a=1/4a+2

by cross multiplying,

2a=4a+2

2a-4a=2

-2a=2

a=2/-2

a=-1

hope you understood  :)

7 0
3 years ago
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