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Dmitrij [34]
3 years ago
5

How do i simplify this 3xy (5x2 + 2xy + 3y2)

Mathematics
1 answer:
kirza4 [7]3 years ago
3 0

Answer:

15x^3y+6x^2y^2+9xy^3

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For number 21, can it be “less than or equal to” $50, or $49 and less?
Setler79 [48]

Less then or equal to, and your sign is pointing the wrong way I believe.

8 0
4 years ago
The table gives estimates of the world population, in millions, from 1750 to 2000. year population year population 1750 790 1900
Tems11 [23]
The poopulation exponential model is given by

P(t)=P_0e^{kt}

Where, P(t) is the population after year t; Po is the initial population, t is the number of years from the starting year; k is the groth constant.

Given that the population in 1750 is 790 and the population in 1800 is 970, we obtain the population exponential equation as follows:

970=790e^{50k} \\  \\ \Rightarrow e^{50k}=1.228 \\  \\ \Rightarrow 50k=\ln{1.228}=0.2053 \\  \\ \Rightarrow k=0.0041

Thus, the exponential equation using the 1750 and the 1800 population values is P(t)=790e^{0.0041t}

The population of 1900 using the 1750 and the 1800 population values is given by

P(t)=790e^{0.041\times150} \\  \\ =790e^{0.6158}=790(1.8511) \\  \\ =1,462

The population of 1950 using the 1750 and the 1800 population values is given by

P(t)=790e^{0.041\times200} \\  \\ =790e^{0.821}=790(2.2729) \\  \\ =1,796

From the table, it can be seen that the actual figure is greater than the exponential model values.
7 0
3 years ago
PLEASE HELP ASAP I REALLY NEED THIS
charle [14.2K]
3 because gravity pulls and when the diver jumps he get pulled down into the water. so the correct answer is c hope helped :) 
3 0
3 years ago
Read 2 more answers
Help. plz help.............
Alex787 [66]

Answer:

1) communative property

2) difference

3) identitiy property

4) estimate

5) associative property

6) round

Step-by-step explanation:

hope this helps <3

5 0
3 years ago
the coordinates A(5,-2) B(3,-1) C(-4,-4) D(-3,8), and E(-1,4) form the verices of a polygon when they are connected in order for
abruzzese [7]
E, B, D, C, A in correct order

Your welcome!!!

~Shantiicakes
7 0
3 years ago
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