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Novay_Z [31]
2 years ago
8

PLEASEEE EXPLAIN

Mathematics
1 answer:
Marina CMI [18]2 years ago
8 0

Using (-4,-8) as the starting point, the difference in the x’s is 6 and the difference in the y’s is 9.

Two thirds of those are 4 and 6 respectively.

Add those to -4 and -8, giving (0,-2) and that’s your answer.

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Find sec theta if theta is in quadrant 4 and sin theta= -1/5
lara31 [8.8K]

Answer:

\frac{5}{2\sqrt{6} }

Step-by-step explanation:

Since Θ is in fourth quadrant then cosΘ > 0, as is secΘ

Given

sinΘ = - \frac{1}{5}, then

cosΘ = \sqrt{1-(-1/5)^2}

         = \sqrt{1-\frac{1}{25} } = \sqrt{\frac{24}{25} } = \frac{2\sqrt{6} }{5}

Hence

secΘ = \frac{1}{\frac{2\sqrt{6} }{5} } = \frac{5}{2\sqrt{6} }

5 0
3 years ago
Read 2 more answers
Please Help, Thank You!
irina [24]

Answer:

e=9

sorry thats all i know:(

Step-by-step explanation:

7 0
2 years ago
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PLEASE HELP I HAVE NO IDEA WHAT IM DOING!!!
algol13

Answer: 28.26


Step-by-step explanation:

What your looking for is called the annulus (or the difference of two concentric circles). You can find the annulus by subtracting the area of the inner circle from the area of the outer circle. Volume of a circle= πr²

You are given the diameter in these problems, so you need radius.

For the first circle (8 in one) :

8/2=4    r=4

A=3.14(4)²

A=50.24

For the second one (10 in one) :

10/2=5   r=5

A=3.14(5)²

A=78.5

To find the measure of the annulus, you subtract those numbers, getting 28.26


8 0
3 years ago
The mall is 4.72 kilometers from Julie’s house and 1.83 kilometers from Taylor’s house. How much farther does Julie live from th
blondinia [14]
Julies lives 2.89 kilometers more from the mall than Taylor. 
7 0
3 years ago
Read 2 more answers
4x - 5y + 2xy = 0<br> Can Someone do this for me? I need help.
Nady [450]

Answer: x = 5y/ 2y + 4

Step-by-step explanation: coz I juss know

4 0
3 years ago
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