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vitfil [10]
3 years ago
14

80% of 65 please help

Mathematics
2 answers:
Sonbull [250]3 years ago
5 0
The answer is 52.

65 x 0.8 = 52.
Zigmanuir [339]3 years ago
3 0
(65 × 80) ÷ 100 (because percentage is always out of 100) = 52.

52 is 80% of 65. 
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Which is not equivalent to 3/5
Valentin [98]

Answer: d.

15/24 is not an equivalent fraction of 3/5.

8 0
2 years ago
5. Which polygon is always regular?
Feliz [49]
Square because it's sides and angles are always congruent with eachother
7 0
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The population of a culture of cells grows according to the function P(t)= 90t/ t + 1, where t> or =0 is measured in weeks. C
butalik [34]

Answer:

The average rate of change is \frac{18}{5}

Step-by-step explanation:

Given function that shows the population of a culture of cells,

P(t)=\frac{90t}{t+1}------(1)

Where, t represents the number of weeks.

Thus, the average rate of change in the population over the interval [0,24],

m=\frac{P(24)-P(0)}{24-0}

From equation (1),

=\frac{\frac{90\times 24}{24+1}-\frac{90\times 0}{0+1}}{24}

=\frac{\frac{2160}{25}-\frac{0+1}{0}}{24}

=\frac{2160}{25\times 24}

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=\frac{18}{5}

6 0
3 years ago
2 more because im going broke lol
mart [117]

Answer:

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3 0
2 years ago
Read 2 more answers
The central angle of a regular polygon is 18 degrees. Th e perimeter of the polygon is 144 ft. What is the area of the polygon t
Diano4ka-milaya [45]
Given that the central angle of a polygon is 18, then the number of sides of the polygon will be:
360/18
=20 sides
thus the side length will be:
144/20
=7.2 ft
hence the area will b given by:
p=s×n
a=s/[2tan(180)/n]
where:
Area=(a×p)/2
p=perimeter, s=side length, n=number of sides
p=7.2×20=144
a=7.2/[2tan (180/20)]=22.73
thus
A=(144×22.73)/2
A=1632.524 ft²
7 0
3 years ago
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