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Ahat [919]
3 years ago
6

The sum of twice a number and 3 times the same number as 40. What is the number?

Mathematics
2 answers:
Gnom [1K]3 years ago
6 0

Answer:

Let the number be x

According to Question ,

2x + 3x = 40

5x = 40

x = 8

therefore , the number is 8

hope that helps uh...☺

Sergio [31]3 years ago
3 0
Let the number be x
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One day a human being will land on mars. mars has a diameter of 6786 km and a massof 6.42 × 1023 kg. if you weighed 834 n on ear
bazaltina [42]
Mars radius = 3,393 km
Mars Mass = 6.42 x 10^23 kg
Earth Radius = <span>6,371</span><span> km
Earth Mass = </span><span>5.97237×10<span>^24kg

Gravity is directly proportional to mass and

Gravity is inversely proportional to the square of the distance. 

So, we can come up with this equation:
Force = Mass / radius^2

Force Earth = 5.97237 x 10^24 / 6,371^2
Force = </span></span><span>1.471 x 10^17

Force Mars = 6.42 x 10^23 / 3,393^2
Force = 5.577 x 10^16

Earth's gravity vs Mars' Gravity = </span>1.471 x 10^17 / <span><span>5.577 x 10^16
</span>= 2.64

Earth has 2.64 times the gravitational attraction that Mars has.
</span>So, you would weigh 834 / 2.64 =
316 Newtons on Mars.


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3 years ago
What is the value of 7 in number 3,407,215
Anastaziya [24]

Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

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aalyn [17]

Answer:

D: 11

Step-by-step explanation:

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A tree that is next to a telephone pole is 15 feet tall and casts a shadow 4 feet long.
alekssr [168]

Answer:

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Step-by-step explanation:

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2 years ago
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