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OverLord2011 [107]
3 years ago
14

How do I answer this?​

Mathematics
1 answer:
nikitadnepr [17]3 years ago
5 0

Check the picture below.

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Suppose the expression a(b)n models the approximate number of people who visited an aquarium each day since an aquarium opened,
mel-nik [20]

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A

Step-by-step explanation:

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3 years ago
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Manny can paint the office​ by himself in 5 hours. Dave can do the same job in 8 hours. How long will it take them to do it work
Alex Ar [27]

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3 hrs 4.6 mins

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2 years ago
Line AC is tangent to circle O at point C<br> What is the measure of OAC?
Nuetrik [128]
AC is a tangent so by definition, it touches the circle at exactly one point (point C) and forms a right angle at the tangency point. So angle ACO is 90 degrees

The remaining angle OAC must be 45 degrees because we need to have all three angles add to 180
45+45+90 = 90+90 = 180

Alternatively you can solve algebraically like so
(angle OAC) + (angle OCA) + (angle COA) = 180
(angle OAC) + (90 degrees) + (45 degrees) = 180
(angle OAC) + 90+45 = 180
(angle OAC) + 135 = 180
(angle OAC) + 135 - 135 = 180 - 135
angle OAC = 45 degrees

Side Note: Triangle OCA is an isosceles right triangle. It is of the template 45-45-90. 
7 0
3 years ago
Solve for x. Round to 3 decimal places
iVinArrow [24]

Answer:

<h2>x = 727</h2>

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\log_ab=c\iff a^c=b\\\\Domain:\ x+2>0\to x>-2\\\\\log_3(x+2)-8=-2\qquad\text{add 8 to both sides}\\\\\log_3(x+2)=6\iff x+2=3^6\\\\x+2=729\qquad\text{subtract 2 from both sides}\\\\x=727\in D

3 0
3 years ago
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I need help with this one to / surface area :)
zzz [600]

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389.9 to 1 decimal place

If you need another explanation comment on this one

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3 years ago
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