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klemol [59]
3 years ago
12

PLEASE I NEED HELP WITH MATH HOMEWORK

Mathematics
2 answers:
tino4ka555 [31]3 years ago
4 0

Answer:

x=50

Step-by-step explanation:

3x+30=180

3x=150

x=50

Leona [35]3 years ago
4 0

Answer:

Step-by-step explanation:

we know something about the angles of a triangle already

A + B + C = 180°

soooo...

X + X + (X+30)= 180

3X + 30 = 180

3X = 150

X = 50 °

does that makes sense?

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Burka [1]

Answer:

6:5

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5 0
2 years ago
For each ordered pair, determine whether it is a solution to the system of equations.
Yuri [45]

Answer:

Step-by-step explanation:

Simplifying

4x + 2y = 18

Solving

4x + 2y = 18

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2y' to each side of the equation.

4x + 2y + -2y = 18 + -2y

Combine like terms: 2y + -2y = 0

4x + 0 = 18 + -2y

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Divide each side by '4'.

x = 4.5 + -0.5y

Simplifying

x = 4.5 + -0.5y

////////////

Simplifying

y = -2 + 9

Combine like terms: -2 + 9 = 7

y = 7

Solving

y = 7

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Simplifying

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8 0
3 years ago
What is 11/2 reduced? 11/2 is a fraction:)
ladessa [460]

Answer

5 and a half

Step-by-step explanation:

5 0
3 years ago
If you dont give fake answers, next qeustion will be more points
aleksandr82 [10.1K]
Whats the question




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6 0
3 years ago
Read 2 more answers
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topjm [15]
45 is what percent of 190
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