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kvv77 [185]
3 years ago
13

Classify the pair of angles

Mathematics
2 answers:
DochEvi [55]3 years ago
5 0
Adjacent angles are angles that share a vertex and a side; these angles do not.
Complementary angles are angles that add to equal 90 degrees; these angles do not.
Supplementary angles are angles that add to equal 180 degrees; these angles do not.

Answer:
D. None of these.
never [62]3 years ago
4 0
The answer TO THE QUESTION IS D

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.Solve 5x – 3y = 9 for y
german
Move variable to right -
-3Y=9-5x
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y=-3+5 over 3 x 5/3 x(not right besides the 3 it is on the end)
7 0
3 years ago
Write the vector v in the form aiplusbj​, given its magnitude left norm Bold v right norm and the angle alpha it makes with the
photoshop1234 [79]

Answer:

6\sqrt{3}i-6j

Step-by-step explanation:

Given:

The magnitude, v=12

The angle \alpha it makes with the positive​ x-axis =150^0

Now for a vector (x,y)

  • \alpha =tan^{-1}(\frac{y}{x} ) ; and
  • v=\sqrt{x^2+y^2}

Therefore:

150 =tan^{-1}(\frac{y}{x} )\\\frac{y}{x} =tan 150\\\frac{y}{x}=-\frac{\sqrt{3} }{3}

y=-\frac{x \sqrt{3}}{3}

Similarly:

v=\sqrt{x^2+y^2}\\12=\sqrt{x^2+y^2}\\12^2=x^2+y^2\\144=x^2+y^2

144=x^2+(-\frac{x \sqrt{3}}{3} )^2\\144=x^2+\frac{3x^2}{9} \\144=\frac{4x^2}{3}\\4x^2=144 X 3=432\\x^2=108\\x=6\sqrt{3}

Recall that:

y=-\frac{x \sqrt{3}}{3}\\y=-\frac{6\sqrt{3}  \sqrt{3}}{3}=-6

Therefore: (x,y)=(6\sqrt{3}, -6)

The vector in the form ai+bj is therefore:

6\sqrt{3}i-6j

6 0
3 years ago
What’s the difference between numbers that are to the power of with parentheses and no parentheses. For example (-2/5)^3 and -2/
Verdich [7]

Answer:

See below

Step-by-step explanation:

The first one 'cubes' the denominator AND the numerator:

(-2/5)^3  = -2/5  * -2/5  * -2/5 =  -8/125

The second one 'cubes' only the denominator:

-2/5^3  = -2 / (5 * 5 * 5) =  - 2 / 125

8 0
2 years ago
What is the solution for t in the equation
Jlenok [28]

Answer:

Where's the equation?

Step-by-step explanation:

Where's the equation?

5 0
3 years ago
What is the chance that i will be denied boarding, despite having a valid ticket, if the carrier is jetBlue Airways?
Marizza181 [45]

Answer:

Around a 20% chance

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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