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cupoosta [38]
3 years ago
10

About 786,700,000 passengers traveled by plane in the United States in 2010. What is

Mathematics
1 answer:
Schach [20]3 years ago
4 0

Answer: 7.867 x 10^8

Step-by-step explanation:

(the “^8” is an exponent of 8)

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The volume v of a sphere with radius r is given by formula v=4/3 . if radius of a spherical rubber ball is 1 1\4 inches , what i
Aliun [14]
Actually, the correct volume formula is:
Sphere Volume   = <span>  4/3 • <span>π <span>• r³
</span></span></span>Sphere Volume   = <span>  (4/3) * PI * (1.25)^3
</span>Sphere Volume   =   (4/3) * PI * <span> <span> <span> 1.953125 </span> </span> </span>
Sphere Volume   =   <span> <span> <span> 8.1812308687 </span> </span> </span> cubic inches
6 0
4 years ago
Evaluate 4a when a=7
Alex73 [517]

Answer:28

Step-by-step explanation:

4a when a=7

So..

4(7)=28

Hope that helps :)

5 0
3 years ago
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In 8 years, Sophia's age will be 21 years old. Let x represent Sophia's current
Aloiza [94]

Answer:

a. x+8=21

b. x = 13

Step-by-step explanation:

3 0
3 years ago
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What is the degree of the polynomial 2x3 - 3x2 + 4x + 5
tia_tia [17]
With polynomials the degree is the highest power x or whatever the variable is raised to. In this case, the degree is 3 since the highest power x is raised to is x^3
4 0
3 years ago
Find the perimeter of the triangle defined by the coordinates (9, 0), (-5, 0), and (-10, 6). (Round to nearest tenth)
Masteriza [31]
The perimeter is 41.7

Find the length of each side using the distance formula:
d=\sqrt{(0-0)^2+(-5-9)^2}=\sqrt{0^2+14^2}=\sqrt{196}=14&#10;\\&#10;\\d=\sqrt{(6-0)^2+(-10--5)^2}=\sqrt{6^2+(-5)^2}=\sqrt{36+25}=\sqrt{61}=7.8&#10;\\&#10;\\d=\sqrt{(6-0)^2+(-10-9)^2}=\sqrt{6^2+(-19)^2}=\sqrt{36+361}=\sqrt{397}=&#10;\\19.9

Adding the side lengths, we have
14+7.8+19.9=41.7
3 0
3 years ago
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