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3 years ago

Please help this is timed! I’ll give brainliest.

Mathematics

1 answer:

Alex17521 [72]3 years ago

6 0

Answer:

1. Function 1

2. Function 3

3. Function 2, Function 3, and Function 4

Step-by-step explanation:

I did this for someone else and it took me a long time to explain, so here's the answers since this is timed.

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The coordinates of the vertices of triangle ABC are A(9.-10), B(-15, 0), and C(15, 10). A dilation centered at (0, 0) is perfome

Alex

Answer: 1.5 (D)
Explanation: I plotted the points on a graph and calculated the length of AC (20) and A’C’ (30)
The answer should be 30/20 = 1.5
I hope this helps!

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2 years ago

Which distance measures 7 units?

Naddika [18.5K]

Answer:

first one

Step-by-step explanation:

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3 years ago

How many different combinations of “on” and “off” are possible with 8 “lightbulbs”?

viktelen [127]

How many different combinations of “on” and “off” are possible with 8 “light bulbs”?

Answer: The total number of combinations of "on" and "off" that are possible with 8 "light bulbs" is $2^{8}=256$

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3 years ago

Jake has h hats. Paul has 3 scarves and n hats. Dillon has 3 times the total number of winter accessories Jake and Paul have. Wr

olga55 [171]

Answer:

(h+3+n)3=D dillion has d amout of winter acsessors

Step-by-step explanation:

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2 years ago

What is the exact value of sin (165 degrees)

anygoal [31]

Answer:

Step-by-step explanation:

Think of a value on the unit circle that is double of 165.

330 is that so we can use the double Angle Identity

$\sin( \frac{ \alpha }{2} ) = \sqrt{ \frac{1 - \cos( \alpha ) }{2} }$

Alpha is 330

$\sin(165) = \sqrt{ \frac{1 - \cos(330) }{2} }$

$\sin(165) = \sqrt{ \frac{1 - \frac{ \sqrt{3} }{2} }{2} }$

$\sin(165) = \sqrt{ \frac{ \frac{2 - \sqrt{3} }{2} }{2} }$

$\sin(165) = \sqrt{ \frac{2 - \sqrt{3} }{4} }$

$\sin(165) = \frac{ \sqrt{2 - \sqrt{3} } }{2}$

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2 years ago