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Ilya [14]
3 years ago
12

If you know the radius, r, of a circle, what do you multiply rby to get the circle's CIRCUMFERENCE?

Mathematics
1 answer:
KengaRu [80]3 years ago
7 0

Answer:

C=2 x pi x radius

Step-by-step explanation:

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Which figures are polygons?
castortr0y [4]
Your answer would be A, B, and C.
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3 years ago
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John works as a tutor for an hour and as a waiter for an hour. This month, he worked a combined total of hours at his two jobs.
liberstina [14]

Correct Question:

John works as a tutor for $12 an hour and as a waiter for $8 an hour. This month, he worked a combined total of 86 hours at his two jobs.

Let be the number of hours John worked as a tutor this month. Write an expression for the combined total dollar amount he earned this month.

Answer:

Total hours = 86

Let t is the hours he spent on tutoring

then (86-t) is hours spent on waiting

Let Y is the total amount in dollars which is required .

Now;

y = (tutoring hours x 12$) + (waiting hours x 8$)

Y = 12t + 8(86-t)

6 0
3 years ago
Convert 7 over 8 to a decimal.<br><br> 0.375<br> 0.875<br> 0.925<br> 0.965
zubka84 [21]
7/8 in decimal form is 0.875 because you are dividing 7 by 8
3 0
3 years ago
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In a certain city, 27% of the families have a MasterCard, 19% have an American Express card, and 22% have a Visa card. Nine perc
Natasha2012 [34]

Answer:

35%

Step-by-step explanation:

Data provided in the question:

P(Master card) = 27% = 0.27

P(American express card) = 19% = 0.19

P( Visa card ) = 22% = 0.22

P( Master and American express card ) = 9% = 0.09

P( Visa and master card ) = 14% = 0.14

P( American express and visa card ) = 6% = 0.06

Now,

The  probability of selecting a family that has either a Visa card or an American Express card

= P( Visa card ) + P( American express card ) - P( Visa and American express card )

= 0.22 + 0.19 - 0.06

= 0.35

or

= 0.35 × 100% = 35%

5 0
3 years ago
Please help asap! I will give Brainliest!!!
vichka [17]

Answer:

A rational number is part of a whole expressed as a fraction, decimal or a percentage. ... Alternatively, an irrational number is any number that is not rational. It is a number that cannot be written as a ratio of two integers (or cannot be expressed as a fraction).

hope this helps

Step-by-step explanation:

3 0
3 years ago
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