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faltersainse [42]
3 years ago
9

How many lines of symmetry does a circle have??​

Mathematics
2 answers:
Mademuasel [1]3 years ago
5 0

Answer:

A circle has an infinite amount of symmetry

musickatia [10]3 years ago
5 0

Answer:

Infinite

Step-by-step explanation:

A circle is a symmetrical shape no mater where you slice. It remains the same no matter how you turn, therefore it is symmetrical wherever a line could be.

Hope this helps! Please mark brainliest!

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Solve for x ln(3x+2)=4
Rasek [7]

Answer:

x = (e^4 -2)/3

x≈17.533

Step-by-step explanation:

ln(3x+2)=4

raise each side to e

e^ ln(3x+2) = e^4

3x+2 = e^4

subtract 2 from each side

3x = e^4 -2

divide by 3

x = (e^4 -2)/3

putting this in a calculator

x≈17.533

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2 years ago
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What is the slope of the line on the graph?<br><br><br> Enter your answer in the box.
Andrews [41]

Answer:

slope = -1/3

Step-by-step explanation:

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butalik [34]

Answer:

1: x > -5

2: n > 4

3: x > -2

Step-by-step explanation:

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3 years ago
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How many $10 bills are the same as ten $ 1 bill?
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Im.not sure but i tjink its 10
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3 years ago
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Given that A=27, B=43 and c=17, solve triangle ABC to the nearest hundredth
katrin2010 [14]
When we are given 3 sides, we try to solve the angles first by using the
law of cosines
cos (A) = [b^2 + c^2 - a^2] / (2 * b * c)
cos (A) = [43^2 + 17^2 -27^2] / (2 * 43 * 17)
cos (A) = [1,849 + 289 -729] / <span> <span> <span> 1,462
</span></span></span>cos (A) = 1,409 / 1,462
cos (A) = <span> <span> <span> 0.96374829001368
Angle A = 15.475

Now that we have one angle, we next can use the
Law of Sines
sin(B) / side b = sin(A) / side a
sin(B) = sin(A) * sideb / sidea
</span></span></span><span>sin(B) = sin(15.475) * 43 / 27
</span><span>sin(B) = 0.26682 * 43 / 27
sin (B) = </span><span>0.424935555555</span>
Angle B = 25.147 Degrees
Remember the arc sine (<span>0.424935555555) also equals </span> <span> <span> <span> 154.85

</span></span></span>Finally, calculating the third angle is quite easy
Angle C =  180 - Angle (A) - Angle(B)
Angle C =  180 - 15.475 - 154.85
Angle C =  9.675

Source:
http://www.1728.org/trigtut2.htm


6 0
3 years ago
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