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Sauron [17]
3 years ago
13

About 3.2×10^8 people live in the United States. About 3.9×10^7 people live in Canada. And about 1.1×10^8 people who live in Mex

ico. About how many people live in all three countries altogether?
Mathematics
2 answers:
baherus [9]3 years ago
8 0

Answer:

469000000

Step-by-step explanation:

4.9*10^(8)

Effectus [21]3 years ago
4 0

Answer would be:

469000000

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3 years ago
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You are Looking at two area rugs for your bedroom. One is a square with a side length of 6.3 feet the other is rectangle that is
Ray Of Light [21]

Answer:

Part a) The square rug cover the greater area

Part b) The square rug cover 0.33 square feet more than the rectangular rug

Step-by-step explanation:

step 1

Find the area of the square rug

The area of a square is

A=b^2

where

b is the length of the square

we have

b=6.3\ ft

substitute

A=(6.3)^2=39.69\ ft^2

step 2

Find the area of the rectangular rug

The area of the rectangle is

A=LW

we have

L=4.8\ ft\\W=8.2\ ft

substitute

A=4.8(8.2)=39.36\ ft^2

step 3

Compare the areas

39.69 > 39.36

so

The square rug cover the greater area

step 4

Find the difference

39.69-39.36=0.33\ ft^2

so

The square rug cover 0.33 square feet more than the rectangular rug

8 0
3 years ago
in a class there are 40 students. There are 10 more boys than girls in the class, Let x be the number of boys and y be the numbe
belka [17]
X = boys
y = girls

x + y = 40 (in a class there are 40 students)
x = y + 10 (t<span>here are 10 more boys than girls in the class</span>)
5 0
3 years ago
If a function f has an inverse function, then fis one-to-one.<br> A) True<br> B) False
Len [333]

Answer:

true

Step-by-step explanation:

4 0
3 years ago
Which expression represents the product of 17 and an unknown number?
andrezito [222]
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So, A. 17 * n is the answer. 17n is also appropriate.
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