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netineya [11]
3 years ago
9

Xian and his cousin Kai both collect stamps. Xian has 52 stamps, and Kai has 80

Mathematics
2 answers:
Bond [772]3 years ago
8 0

Answer:

After 7 months Xian and Kai will each have 164 stamps

Step-by-step explanation:

52+16x=80+12x

52+4x=80

28=4x

x=7

after 7 months

52+16(7) =80+12(7)=164

elena-14-01-66 [18.8K]3 years ago
5 0

Answer:

7 months

Step-by-step explanation:

1. After 7 months, Xian and Kai will have the same amount of stamps.

2. Xian and Kai will both have 164 stamps.

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A cylinder has radius 2.5 cm and lateral area 20 pi cm^2. What is the surface area of the cylinder in terms of pi?
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This is the concept of areas of solid materials; the surface area of the cylinder whose radius is 2.5 cm and lateral area is 20 pi cm^2 will be: Surface area of cylinder is given by:
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4 0
3 years ago
URGENT!
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Answer:

The answer to your question is:  9.01 x 10⁸ ice cream cones

Step-by-step explanation:

Data

# of ice cream cones = 1700

5.3 x 10 ⁵ minutes ---------- 1 year

# of ice cream cones purchased in one year = ?

                              1700  cones ---------------------  1 min

                                 x                ----------------------  5.3 x 10 ⁵ minutes

             x = (5.3 x 10 ⁵)(1700)/1 = 901 000 000 ice cream cones

In scientific notation

                                   9.01 x 10⁸ ice cream cones

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3 years ago
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