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vesna_86 [32]
2 years ago
9

Evaluate 5+(-3) — 6.

Mathematics
2 answers:
WARRIOR [948]2 years ago
4 0

Answer:

-4

Step-by-step explanation:

5+(-3)-6

2-6

-4

Schach [20]2 years ago
4 0

Answer:

-4

Step-by-step explanation:

5 + (-3) = 2    which is alo equal to 5 - 3 = 2

2 - 6 = -4

you get -4 as your answer

i hope this helps!   :)

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How to solve<br><br> 3sin^2x= cos^2x
DochEvi [55]

I'll try it.
I just went through this twice on scratch paper.  The first time was to
see if I could do it, and the second time was because the first result
I got was ridiculous.  But I think I got it.

You said                                                 <span><u>3sin²(x) = cos²(x)</u>

Use this trig identity:  sin²(x) = 1 - cos²(x)   

                                   Plug it into the original equation for (x).

                                                     3(1 - cos²(x) )  =  cos²(x)

Remove parentheses on the left:    3 - 3cos²(x)  =  cos²(x)

Add  3cos²(x)  to each side:            3                  =  4cos²(x)

Divide each side by  4 :                  3/4  =  cos²(x)

Take the square root of each side:    <em>cos(x) = (√3) / 2</em> .

There it is ... the cosine of the unknown angle.
Now you just go look it up in a book with a table cosines,
or else pinch it through your computer or your calculator,
or else just remember that you've learned that

                           cos( <em><u>30°</u></em> )  =  </span><span><span>(√3) / 2 </span>.


</span>
7 0
3 years ago
Can someone help me really please
NARA [144]

Answer:

b

Step-by-step explanation:

3/3 = 1

4 0
2 years ago
Read 2 more answers
Help please 60 points who ever gets it right gets Brainliest
Leviafan [203]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
Dot plots are often used for what 2 sets of data
emmainna [20.7K]

Answer:

categorical or quantitative data

Step-by-step explanation:

6 0
2 years ago
For questions 8 – 10, answer the questions about tangent-tangent angles.
olchik [2.2K]

Answer:

m(arc ZWY) = 305°

Step-by-step explanation:

8). Formula for the angle formed outside the circle by the intersection of two tangents or two secants is,

Angle formed by two tangents = \frac{1}{2}(\text{Difference of intercepted arcs})

                                                   = \frac{1}{2}(220-140)

                                                   = \frac{1}{2}(80)

                                                   = 40°

9). Following the same rule as above,

Angle formed between two tangents = \frac{1}{2}(\text{Difference of intercepted arcs})

125 = \frac{1}{2}[m(\text{major arc})-m(\text{minor arc})]

250 = [m(\text{arc ZWY})-m(\text{arc ZY})]

250 = m(arc ZWY) - 55

m(arc ZWY) = 305°

Therefore, measure of arc ZWY = 305° will be the answer.

10). m(arc BAC) = \frac{1}{2}([m(\text{arc BDC})-m(\text{arc BC})])

                          = \frac{1}{2}(254-106)

                          = \frac{148}{2}

                          = 74°

4 0
2 years ago
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