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Sophie [7]
3 years ago
14

Please help me asap!!

Mathematics
1 answer:
Sauron [17]3 years ago
7 0
I believe the answer is C
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HELP!! What is the approximate measure of angle x in the triangle shown?
Alex Ar [27]
<h3>Answer:   D)  130.5 degrees</h3>

=================================================

Work Shown:

c^2 = a^2 + b^2 - 2*a*b*\cos(C)\\\\10^2 = 5^2 + 6^2 - 2*5*6*\cos(x)\\\\100 = 25 + 36 - 60*\cos(x)\\\\100 = 61 - 60*\cos(x)\\\\100 - 61 = - 60*\cos(x)\\\\39 = - 60*\cos(x)\\\\\cos(x) = \frac{39}{-60}\\\\\cos(x) = -0.65\\\\x = \arccos(-0.65)\\\\x \approx 130.5416\\\\x \approx 130.5\\\\

Note: I used the law of cosines. Make sure your calculator is in degree mode.

6 0
2 years ago
Can someone help me with this
V125BC [204]

Answer:  Period = 4

               Amplitude = 3

<u>Step-by-step explanation:</u>

Period is the interval of one "cycle" before the pattern repeats.

If you notice that when x = 0, y = -4.  

When does the pattern repeat (reach -4 again)?

Answer: when x = 4.

So the interval of one "cycle" is 4 units -->  Period = 4.

Amplitude=\dfrac{Max-Min}{2}=\dfrac{2-(-4)}{2}=\dfrac{6}{2}=\bold{\large\boxed{3}}

7 0
3 years ago
Read 2 more answers
. The number three thousand two hundred fifty-one written in standard form would be 3,251. True False
OLga [1]
This would be true.
All the place values and it numbers are correct.

Your answer would be true.

Hope this helps!

4 0
3 years ago
Read 2 more answers
Find the median and mean of the data which reflects the best measure of the center
galben [10]

Answer:

The mean reflects the best measure of the center

Step-by-step explanation:

12, 13, 13, 14, 21, 22, 23

Median: 14

Mean: 16.86

The mean reflects the best measure of the center

7 0
3 years ago
How long will it take Lola to travel from Paris to nice?
djyliett [7]

5 hours if you convert 180 kilometers to meters its 180,000 meters. 180,000 meters time 5 is 900,000

3 0
3 years ago
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