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oee [108]
3 years ago
5

CAN ANYONE ANSWER THIS I WILL GIVE BRAINLIEST! 13

Mathematics
2 answers:
PIT_PIT [208]3 years ago
7 0

Answer:

option 4

Step-by-step explanation:

so first you would simplify to x>-6 and since there is no line under the greater then it would be and open circle and it is shading to the right because of the greater than symbol and if would start of -6 so option 4 is the correct answer

MaRussiya [10]3 years ago
5 0

Answer:

Draw an open circle on-6 and shade to the right.

Step-by-step explanation:

  1. Simplify the inequality, so it looks like this: x > −6
  2. When the inequality symbol doesn't have a line under it like these do, ≤ and ≥, then it's an open circle, rather than a closed one on a number line.
  3. The last option would be the correct one because it says open circle and -6 like we said in step 1 and 2.
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4 years ago
True or false (Picture provided)
Naya [18.7K]
<h2>Hello!</h2>

The answer is: True.

<h2>Why?</h2>

A counterexample is a way that we can prove that something is not true about a mathematical equation or expression, it's also considered as an exception to a rule.

So:

sec^{2}x-1=\frac{cosx}{cscx}\\\\tg^{2}x=\frac{cosx}{\frac{1}{sinx}}\\\\\frac{1-cos2x}{1+cos2x}=cosxsinx

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\frac{1-cos(2*45)}{1+cos(2*45)}=cos(45)*sin(45)\\\\\frac{1-0}{1+0}=\frac{\sqrt{2} }{2}*\frac{\sqrt{2}}{2}\\\\1=\frac{(\sqrt{2})^{2} }{4}\\\\1=\frac{2}{4}\\\\1=\frac{1}{2}

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3 0
4 years ago
Help! 20 points svhs
zepelin [54]

Answer:

d. 2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

45a−25+7a=79

45a+−25+7a=79

(45a+7a)+(−25)=79(Combine Like Terms)

52a+−25=79

52a−25=79

Step 2: Add 25 to both sides.

52a−25+25=79+25

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Step 3: Divide both sides by 52.

52a

52

=

104

52

a=2

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