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slavikrds [6]
3 years ago
10

B) When ABCD is drawn to scale, would

Mathematics
1 answer:
Umnica [9.8K]3 years ago
8 0

Let's check the answer for (a) first.

x + 2x + 3x + 90 = 360

6x = 270

x = 270/6 = 45

That's correct.

(b)

We have A=2x=90°, B=3x=135°, C=x=45°

Since A and D are both 90°, we get parallel segments, AD || BC.

Answer: Yes, AD || BC

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-v+5+6v=1+5v+3 solve for v
earnstyle [38]

Answer: No solution for V.  No solution.

Step-by-step explanation:

-v+5+6v=1+5v+3

Combine like terms together by adding all of the v's together, and number together.

5v+5=4+5v

5v-5v+5=4

0+5=4

5=4

Since this is a false statement, then no solution for V

3 0
4 years ago
15 points: can someone help me with this thank you. (all separate equations)
OLga [1]

Step-by-step explanation:

6x+3y=12\qquad\text{subtract}\ 6x\ \text{from both sides}\\\\6x-6x+3y=12-6x\\\\3y=12-6x\qquad\text{divide both sides by 3}\\\\\dfrac{3y}{3}=\dfrac{12}{3}-\dfrac{6y}{3}\\\\\large\boxed{y=4-2y}\\\\===================

2p-k=3\qquad\text{subtract}\ 2p\ \text{from both sides}\\\\2p-2p-k=3-2p\\\\-k=3-2p\qquad\text{change the signs}\\\\k=-3+2p\\\\\large\boxed{k=2p-3}\\\\===================

6v-2w=10\qquad\text{subtract}\ 6v\ \text{from both sides}\\\\6v-6v-2w=10\\\\-2w=10-6v\qquad\text{divide both sides by (-2)}\\\\\dfrac{-2w}{-2}=\dfrac{10}{-2}-\dfrac{6v}{-2}\\\\w=-5+3v\\\\\large\boxed{w=3v-5}\\\\===================

5 0
3 years ago
Write the missing powers<br> of 10.<br> _____x0.005 = 5
pentagon [3]

Answer:

its 0.45

Step-by-step explanation:

4 0
3 years ago
M_6 is (2x - 5)º and m_8 is (x + 5)º.<br> What is m 3?
oksano4ka [1.4K]

m_3 is (7x-4)°

Step-by-step explanation:

which is that m_3 is(7x -4)°.

3 0
4 years ago
How do you solve -36x+2/4 (the “/“ is because it’s a fraction)
butalik [34]

you cannot solve this because it is an expression.  you need an equals to make it an equation.

-36x + 2/4 is an expression which can be simplified

-36x+1/2

6 0
3 years ago
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