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Oduvanchick [21]
2 years ago
7

PLS HELP

Mathematics
1 answer:
____ [38]2 years ago
3 0

Answer:

16 pi  cm^2

Step-by-step explanation:

Area = pi r^2      r = 1/2 d

        = pi (4^2) = 16 pi cm^2

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8.99 to the nearest decimal
igor_vitrenko [27]

Answer:

9

Step-by-step explanation:

One Decimal Place Rule #3: If the last digit in 8.99 is 5 or more and the second to the last digit in 8.99 is 9, then remove the last digit, make the second to last digit 0, and add 1 to the number to the left of the decimal place.

Hope this helped!

6 0
2 years ago
Use properties to find the sum of product 8×51gb
Eddi Din [679]

8(51) = 8(50 + 1) = 8(50) + 8(1) = 400 + 8 = 408

5 0
3 years ago
One kind of hard candy sells for $.89 per kilogram another sells for $1.10 per kilogram how many kilograms of each kind a need t
Furkat [3]

Answer:

20kg of $0.89 candy

10kg of $1.10 candy

Step-by-step explanation:

Candy 1 = 0.89 per kg

Candy 2 = 1.10 per kg

Total kilogram, kg = 30

Let candy 1 = x ; candy 2 = (30 - x) ;

0.89x + 1.10(30 - x) = 0.96(30)

0.89x + 33 - 1.10x = 28.8

0.89x - 1.10x = 28.8 - 33

-0.21x = - 4.2

x = 4.2 / 0.21

x = 20

20kg of $0.89 candy

(30 - x) = (30 - 20) = 10kg

10kg of $1.10 candy

4 0
2 years ago
AAAAAAAAA help please​
Firdavs [7]
The answer is the first one BC ~ CD
Ok done. Thank to me:>
4 0
2 years ago
Evaluate the expression when y=-4.<br> y²-7y+2
harkovskaia [24]

Answer:

Here is your answer

Hope it helps

6 0
3 years ago
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