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3 years ago

0. Completa:4.520.389 = 4 +5CM + ++++

Mathematics

1 answer:

stira [4]3 years ago

4 0

Answer:

Step-by-step explanation:

In this proble, we defined:

D represents tens.
C represents hundreds.
M represents millions.
U is units.

So, the given number is 4,520,389, where we need to state the proper variable according to the position of each digit and its value.

4,520,389 = 4M + 5CM + 2DM + 3C + 8D + 9U

In words, the first term represents 4 millions, the second term represents 5 hundred thousands, the third term represents twenty thousands, the fourth term represents three hundreds, the fifth term represents eighty and the las term represents 9 units.

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The populations P (in thousands) of a certain city from 2000 through 2007 can be modeled by P = 1674.7e^kt, where t represents t

Makovka662 [10]

Answer:

k = 0.02278

Step-by-step explanation:

Given that:

The population P = 1674.7e^kt

where;

t represents the year,

if year 2000 represents t = 0

Then, the year 2007 represents = 7; &

year 2006 represents = 6

In 2006, population recorded in the city was about 1,920 thousand

Therefore;

$1920 = 1674.7e^{(k\times 6)$

Taking the logarithm of both sides, we get:

$\mathtt{ In}(1920) = \mathtt{ In} ( 1674.7)+ 6k$

7.560080465= 7.423389324 + 6k

7.560080465 - 7.423389324 = 6k

0.136691141 = 6k

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3 years ago

The difference between 2 times x and y is less than or equal to 1

Delvig [45]

Answer:

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Step-by-step explanation:

7 0

3 years ago

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9/49 divided by 21 reduce your answer

yaroslaw [1]

To divide fraction by number we can multiply fraction by inverse of number.
Lets find inverse
21= $\frac{21}{1}$ =====> $\frac{1}{21}$ - its inverse of 21
Now we can multiply it
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A school is planning a field trip for 142 people. The trip will use 6 drivers and 2 types of vehicles: buses and vans. A bus can

Vera_Pavlovna [14]

First figure out Info needed
So 142 people 6 drivers
2 vehicles of which are bus and vans
Van:capacity of 10 Bus:capacity of 51
So plug in x for buses and y for vans
x+y+6=142
Subtract 6
x+y=136
51 times 2 gives you 102 for the bus capacity so two buses
x(2)+y=136
51(2)+y=136
102+y=136
Subtract 102
Giving you 34
y=34
4 vans because
34 divided by 10 is 3.4 but there is no 3.4 van so round up to 4
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8 0

3 years ago

0. Completa:4.520.389 = 4__ +5CM + __+__+__+__+__​

0. Completa:4.520.389 = 4 +5CM + ++++