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3 years ago

11

How do you use electromagnetic spectrums to learn more about stars and planets?

1 answer:

klemol [59]3 years ago

8 0

Answer: Telescopes use lenses or mirrors to collect and focus waves from the electromagnetic spectrum, including visible light, allowing us to look at celestial objects. By studying the electromagnetic waves given off by objects such as stars, galaxies, and black holes, astronomers can better understand the universe.

Step-by-step explanation:

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the line -6+2y=10 is written in standard form. can you tell what the growth of the line is?Its y-intercept?

slamgirl [31]

Answer:

Growth: 3

y-intercept: 5

Step-by-step explanation:

1. Find the equation in slope-intercept form:

-6x+2y=10

2y=6x+10

y=3x+5

2. Then we can easily identify the growth and y-intercept.

Growth: 3

y-intercept: 5

6 0

3 years ago

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It takes 22 minutes for 10 people to paint 10 walls. How many minutes does it take 14 people to paint 14 walls?

4vir4ik [10]

220pm=10w (people*minutes)

w=22pm

14w=308pm

308pm/14p=22m

So it would take 22 minutes for 14 people to paint 14 walls.

4 0

3 years ago

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9x+12x-21=27<br> How do I solve ?

alexandr402 [8]

You gotta combine like terms which would be 9x and 12x which gives you 21x .

6 0

3 years ago

Find the length of arc AD. Use 3.14for r. Round to the nearest tenth.7.9 cmB66.4DС[? ]cmEntar

ch4aika [34]

The first thing we must do is calculate the circumeference:

$\begin{gathered} c=2\cdot\pi\cdot r \\ c=2\cdot3.14\cdot7.9 \\ c=49.612 \end{gathered}$

now, calculate the angle of arc

360° = 49.612

360° - 66.4° - 180° = x

x = 113.6°

now, to calculate the arc length it would be:

$undefined$

5 0

1 year ago

Javier bought a 20-pound bag of dog food for his Great Dane, Tank. After 7 days, all the dog food was gone.

expeople1 [14]

Step-by-step explanation:

answer 2.85 or 57/20 this is because you divide 20/7 and find it is 2.85... and convert frim there

7 0

3 years ago