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strojnjashka [21]
2 years ago
5

What’s the angle of B in the triangle?

Mathematics
2 answers:
Volgvan2 years ago
7 0
The angle is 22 degrees
diamong [38]2 years ago
3 0

Answer:

<B = 22°

Step-by-step explanation:

Sum of interior angles in a triangle = 180°

so

x + x + 16 + 120 = 180

Combine like terms

2x + 136 = 180

Subtract 136 from both sides

2x = 44

Divide both sides by 2

x = 22

<B = x = 22°

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Answer:

1000 * 3^{9} Bacteria after 18 hours,

Step-by-step explanation:

The condition given in the problem is that the number of bacterial triple after every 2 hours.

So, after 2 hours, total bacteria= 1000 * 3

So, after 4 hours, total bacteria= 1000 * 3 * 3

Therefore, the general format for the number of bacteria is 1000 * 3^{n}, where n is the number of times the bacteria has tripled.

In 18 hours, there are \frac{18}{2} ties that the bacteria has tripled.

Therefore, the no. of bacteria after 9 hours= 1000 * 3^{9}

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3 years ago
Can someone PLEASE help me. I really don't know...
lyudmila [28]

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3 years ago
Penelope goes to work after school for 4.5 hours on Mondays, Tuesdays, and Fridays. She doesn’t have classes on Wednesdays or Th
iVinArrow [24]

Answer:

Her hourly rate is <u>$14</u>.

Step-by-step explanation:

Given:

Penelope goes to work after school for 4.5 hours on Mondays, Tuesdays, and Fridays.

She works 8 hours each on Wednesdays or Thursdays.

Now, to find her hourly rate.

So, total hours Penelope work on Mondays, Tuesdays, and Fridays:

4.5+4.5+4.5=13.5\ hours.

And, total hours she work on Wednesdays and Thursdays:

8+8=16\ hours.

Now,<em><u> the total hours each week she work:</u></em>

13.5+16=29.5\ hours.

<u><em>Total money she makes each week</em></u> = $413.

Now, to get the hourly rate we divide the total hours each week she work by total money she makes each week:

413\div 29.5

=\$14.

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The sum of two numbers is five. the sum of the squares of the two numbers is thirteen. find the two numbers.
Sonbull [250]
2 and 3
2+3=5
2^2+3^2=13
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2 years ago
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