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2 years ago

6

in 2003, the population of an African country was about 6 milliom people, which is 1 million more than 2 times the population in

1950 an equation is

1 answer:

Anna11 [10]2 years ago

8 0

The population is about 13 million people

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How to simplify exponents

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Idk .......................

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3 years ago

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Which number is not the square of a whole number A: 100

abruzzese [7]

10^10 = 100
20^2 = 400
29^29 = 841
28^28 = 784

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2 years ago

on monday 3.11 inches of rain fell and on tuesday 0.81 inch of rain fell. on wensday,twice as much rain fell as tuesday. How muc

pshichka [43]

Answer:

5.54 inches of rain

Step-by-step explanation:

Monday - 3.11

Tuesday - 0.81

Wednesday - 0.81 x 2= 1.62

3.11 + 0.81 + 1.62=5.54 inches

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2 years ago

A rectangular solid with a square base has a volume of 4096 cubic inches - determine the dimensions that yield the minimum surfa

Bumek [7]

Answer:

side of base, a = 10.1 inches, height, h = 40.1 inches

Step-by-step explanation:

Volume of rectangular solid, V = 4096 cubic inches

Let the side of base is a and the height is h.

$V = a^2h\\\\4096 = a^2 h ..... (1)$

surface area of the solid

$S = 2a^2 + 4 ah \\\\S = 2a^2 + 4 \times a \times \frac{4096}{a^2} from (1)\\\S = 2a^2 + \frac{4096}{a}\\\\\frac{dS}{da}= 4 a - \frac{4096}{a^2}\\\\4 a - \frac{4096}{a^2} = 0 \\\\a^3 = 1024\\\\a =10.1 inches$

So, h = 40.2 inches

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2 years ago

Kendra was asked to find the number of students who planned to attend the evening sympothy performance. She was told that 40 per

ch4aika [34]

Answer:

It's B

Step-by-step explanation:

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