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Gelneren [198K]
3 years ago
7

Mercury, Venus, and Earth are the three planets closest to the Sun. Would their combined distance from the Sun be greater or les

s than the distance from the sun to Neptune? Show your work and justify your answer.

Mathematics
1 answer:
Ganezh [65]3 years ago
5 0
The distance from Mercury to Sun is  57,9 * 10⁶km.
The distance from Venus to Sun is  108,2 *10⁶km.
The distance from Earth to Sun is  149,6 *10⁶km.

57,9 *10⁶+ 108,2 *10⁶+ 149,6 *10⁶ ≈ 315,7 *10⁶km 

The distance from Neptune to Sun is  4503 *10⁶km.

That means their combined distanceis less than
<span>the distance from the Sun to Neptune.</span>

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Find the slope of the line? (6,-2) and (2,0)
siniylev [52]

Answer:

-1/2

Step-by-step explanation:

(x1,y1)=(6,-2) and (x2,y2)=(2,0)

now using slope formula

=(y2-y1)/(x2-x1)

=(0+2)/(0-6)

=-(1/2)

8 0
3 years ago
Bill rows his boat at 10 miles per hour. He rowed 20 miles down a stream and then rowed back to his starting point. The stream w
PolarNik [594]
4 hours and 10 minutes is how long his trip took.
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Is 2(6-3x+x equal to 2(3x)+x
makvit [3.9K]

Answer:

no because 2(6-3x)+x equals 12-5x and 2(3x)+x equals 7x

Step-by-step explanation:

hope this helps

4 0
3 years ago
What statements are true about parallegram?
nika2105 [10]
I think it’s the 2nd third and fifth but I’m just answering this so I wouldn’t Answer it off my answer
4 0
3 years ago
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If a sports car is traveling at 95 miles per hour, how long would it take the sports car to overtake a family car traveling at 3
levacccp [35]
Distance = speed * time
d = st

The sports car travels d distance for t time at speed, s, 95 mph until it overtakes the family
car.
The equation for the sports car is
d = 95t

The family car travels the same distance, d, but since it left 4.5 hours earlier  than the sports car, it travels for t + 4.5 time until it is overtaken. It travels at speed, 35 mph.
The equation for the family car is
d = 35(t + 4.5)

We solve the two equations as a system of equations.

d = 95t
d = 35(t + 4.5)

Since d = d, set the right sides of the equations above equal to each other.

95t = 35(t + 4.5)

95t = 35t + 157.5

60t = 157.5

t = 2.625

The answer is 2.625 hours, or 2 hours, 37 minutes, and 30 seconds.

Check:
In 2.625 hours, the sports car travels: 95 mph * 2.625 h = 249.375 miles
The family car traveled 2.625 hours plus the extra 4.5 hours, or 7.125 hours.
In 7.125 hours, the family car travels 35 mph * 7.125 h = 249.375 miles.
The cars have traveled the same distance 2.625 hours after the sports car left, so our answer is correct.
3 0
4 years ago
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