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melomori [17]
3 years ago
14

the U.S postal service handles 170,000,000,000 pieces of mail each year. this is 40% of the worlds total. how many pieces of mai

l are sent each year
Mathematics
1 answer:
navik [9.2K]3 years ago
6 0
  40      170,000,000,000
  ----- = --------------------------
  100                x

Multiply diagonally to solve
So you get 40x = 17,000,000,000,000
Then divide each side by 40 to get x alone
So the answer is 42,500,000,000,000
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3x−4) −(x−5) what the answer
irina [24]

Answer:

2x+1

Step-by-step explanation:

3x-4-x+5 = 3x-x+5-4 = 2x+1

3 0
3 years ago
Find the volume of the composite solid.
OLEGan [10]

Here's the solution,

the volume of the given figure is :

=》

volume \:  \: of \:  \: (pyramid \:  + rectangular \:  \: prism)

volume of pyramid :

=》

\dfrac{l \times b \times h}{3}

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\dfrac{4 \times 5 \times 6}{3}

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\dfrac{120}{3}

=》

40

volume of pyramid = 40 cm³

now, volume of rectangular prism :

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l \times b \times h

=》

4 \times 5 \times 2

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40

volume of rectangular prism = 40 cm³

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4 0
3 years ago
People leaving a movie were randomly asked their age. The results are show below. What graph would best display the data, if you
goldenfox [79]

The graphs to use are box plots, histogram and dot plots

<h3>How to determine the graph?</h3>

From the question, the most important factors are:

  • Shape of distribution
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Using the box plots, histogram and dot plots, one would see the shape and the spread.

While the stem and leaf plot would show specific data values

Read more about graphs at:

brainly.com/question/24461724

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7 0
2 years ago
Based on census data, the population of Freedonia is modeled by the function P ( t ) = 325 t^2 + 28547 people, where t represent
navik [9.2K]

Answer:

dP/dt = 650t = 650(2 ) = 1,300 people/year

The rate of increasing of population at the end of the year 1992 is 1,300 people/year

Step-by-step explanation:

Given;

Population function as;

P(t) =325 t^2 + 28547

The rate of change of the population dP/dt at any given time can be given as;

Rate = change in population/change in time = dP/dt

dP/dt = 2×325t = 650t

Therefore, after 1992;

t = 1992-1990 = 2years

dP/dt = 650t = 650(2 ) = 1,300 people/year

The rate of increasing of population at the end of the year 1992 is 1,300 people/year

5 0
4 years ago
PLEASE HELP DUE SUPER SOON
IrinaK [193]

Answer:

2 Blocks

Step-by-step explanation:

3 0
3 years ago
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