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Orlov [11]
3 years ago
10

HELP FAST 5 POINTS AND A EXTRA 20 POINTS TO BRAINLIEST ANSWER

Mathematics
2 answers:
Zepler [3.9K]3 years ago
8 0
Alculate the total amount of the money he earns
12*1 = 12

Total amount of money - cost = profit
12 - 9.25 = 2.75

profit/cost * 100% = percentage profit
2.75/9.25 *100% =29.73%

correct to 2 significant figures
29.73 -> 30%
anyanavicka [17]3 years ago
5 0

Answer:

30%

Step-by-step explanation:

Profit = money made - cost

The money made was 12 bottles at 1 dollar each

Profit = 12*1 - 9.25

          =12-9.25

          = 2.75


Percent profit =  profit/ cost * 100%

                          2.75/9.25 * 100%

                           .297297297*100%

                              29.7297297%

We need to round to the ones place for 2 significant figures

                            30%

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A circle has a radius of 5 in. A central angle that measures 150° cuts off an arc.
Slav-nsk [51]

Answer:

Part 1) The exact value of the arc length is \frac{25}{6}\pi \ in

Part 2) The approximate value of the arc length is 13.1\ in

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference of a circle is equal to

C=2\pi r

we have

r=5\ in

substitute

C=2\pi (5)

C=10\pi\ in

step 2

Find the exact value of the arc length by a central angle of 150 degrees

Remember that the circumference of a circle subtends a central angle of 360 degrees

by proportion

\frac{10\pi}{360} =\frac{x}{150}\\ \\x=10\pi *150/360\\ \\x=\frac{25}{6}\pi \ in

step 3

Find the approximate value of the arc length

To find the approximate value, assume

\pi =3.14

substitute

\frac{25}{6}(3.14)=13.1\ in

7 0
3 years ago
2 pyramids have a volume of 8 and the larger volume is 343<br> what is the scale factor
Mice21 [21]

Answer

i think its 42.875

step-by-step explanation:

divide 343 by 8 i think

7 0
3 years ago
What does y=5x+4 look like on slope intercept form?
valentina_108 [34]
Beachside it is supposed to be 619 into that form
4 0
3 years ago
How do you do it<br> .Thank you
GrogVix [38]
An improper fraction is when the numerator is greater. For example, 1 7/8 = 15/8
5 0
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13-8+3 evaluate using the Order of Operation
Novay_Z [31]

You would just subtract/add like you normally would from left to right because its a subtract and add operation.

Hope that helps :)

6 0
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