Corresponding angles and interior angles can never have equal angle

Mathematics

1 answer:

musickatia [10]2 years ago

5 0

Answer:

true

Step-by-step explanation:

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Kim wants to buy art supplies that normally costs $50, but are on sale for 20% off. What is the sale price for the art supplies?

stepan [7]

Answer:

$40

Step-by-step explanation:

100% - 20% = 80%

80% of $50 = 0.8 × $50 = $40

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2 years ago

7x+42 what is x <br> please i need help

Taya2010 [7]

Answer:

x = 6

Step-by-step explanation:

7x = 42

Divide both sides by 7

x = 6

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2 years ago

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If x = a + 2b, y=2a – b, and z=.–2b , what is x – y + 2z?

KiRa [710]

Answer:

-a-3b

Step-by-step explanation:

a+2b-2a-b+2(-2b)

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-a-3b

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3 years ago

For questions 3 – 5, an airplane is heading south at an airspeed of 540 km/hr, but there is a wind blowing from the northeast at

GuDViN [60]

First, let's calculate the horizontal and vertical components of the wind speed (W) and the airplane speed (A), knowing that south is a bearing of 270° and northeast is a bearing of 45°:

$\begin{gathered} W_x=W\cos45°\\ \\ W_x=50\cdot0.707\\ \\ W_x=35.35\\ \\ \\ \\ W_y=W\sin45°\\ \\ W_y=50\cdot0.707\\ \\ W_y=35.35 \end{gathered}$ $\begin{gathered} A_x=A\cos270°\\ \\ A_x=540\cdot0\\ \\ A_x=0\\ \\ \\ \\ A_y=A\sin270°\\ \\ A_y=540\cdot(-1)\\ \\ A_y=-540 \end{gathered}$

Now, let's add the components of the same direction: