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2 years ago

The planet Jupiter is approximately 780 million km from the Sun.

Mathematics

1 answer:

iren2701 [21]2 years ago

8 0

Answer:

light takes 3×10^5 second s

so total seconds taken by the light =780×10^6/3×10^5

=260×10
=2600 seconds

1 min=60sec

no. of min=2600/60

=43333min

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The sum of one-fifth of a number and two is five

Veseljchak [2.6K]

Answer:

Step-by-step explanation:

Let us first write an equation where the unknown number is represented with variable x. The sum of a fifth of x and two is five:

$\frac{1}{5} x+2=5$

Great! Let's solve for x by isolating the variable.

$\frac{1}{5}x=3\\x=15$

Therefore, the unknown number is 15.

I hope this helps! Let me know if you have any questions :)

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3 years ago

What is the answer? 2500/x+20 =2500/(48.59)+20

sammy [17]

The answer would be 71.45

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3 years ago

A. 40, B.80, C.120, D. 160, or E. 400

Rudik [331]

B: 80

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3 years ago

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According to exponent rules, when we multiply the expressions we __ the exponents

serious [3.7K]

Answer:

Add

Step-by-step explanation:

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3 years ago

Analyze the diagram below and complete the instructions that follow. Find a, b, and c.

ahrayia [7]

Answer:

The correct answer is the letter C.

Step-by-step explanation:

We can use the following trigonometric identity:

$cos(60)=\frac{6}{b}$ (1)

$cos(45)=\frac{c}{b}$ (2)

Solving each equation by b and equaling we have:

$\frac{6}{cos(60)}=\frac{c}{cos(45)}$

Let's recall that:

$cos(45)=\frac{1}{\sqrt{2}}$

$cos(60)=\frac{1}{2}$

Then we have:

$c=\frac{cos(45)*6}{cos(60)}$

$c=\frac{2*6}{\sqrt{2}}$

$c=\frac{12}{\sqrt{2}}$

$c=6\sqrt{2}$

Using equation (1) we can find b.

$cos(60)=\frac{6}{b}$

$b=12$

Finally, we can find a using the next equation:

$tan(60)=\frac{a}{6}$

$a=6*tan(60)$

$a=6\sqrt{3}$

Therefore, the correct answer is the letter C.

I hope it helps you!

5 0

2 years ago