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Elanso [62]
2 years ago
6

The speed of light is 3.0 x 10^8 m / s The sun is approximately 230,000,000,000 meters from Mars. How many seconds does it take

for sunlight to reach Mars? Write your answer in scientific notation with accuracy to the tenth decimal place.
Mathematics
1 answer:
dem82 [27]2 years ago
5 0
Answer:




Me so smarttttt
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Please please please help brooo :(((
Agata [3.3K]

Answer:

when the 9x moved to the other side he didnt change the sign

Step-by-step explanation:

-8x +32 = 9x-9

-9x - 8x + 32 = 9

5 0
2 years ago
Melinda and Marcus are saving money to purchase a present for a friend. Each friend starts with an amount and also saves a speci
Goshia [24]
Let's find the rates at which Melinda and Marcus are saving money and compare them. 
Based on the table, we can see that Melinda originally had $75. Then she got $135 in 5 weeks.  So the rate of saving money is (135–75)/5 = $12 per week.
This rate is unchanged for the next weeks. As we can see, she got $195 in the next 5 weeks. So she saved $60 more those 5 weeks, or the rate is $60/5 = $12 per week again. 

So Melinda saved $12 per week.
As for Marcus, the equation tells us that the rate of saving money is $14 which is the coefficient in front of x.

Hence, t<span>he rate at which Melinda is adding to her savings each week is 2$
less than the rate at which Marcus is adding to his savings each week.</span>
5 0
3 years ago
Read 2 more answers
Graph the linear function.
nexus9112 [7]
I dont know the awnser sorry
5 0
3 years ago
The radius of a circle is 5 miles. What is the angle measure of an arc bounding a sector with area 10​ square miles?
Lana71 [14]
10÷((22/7)×5^2))
=0.127
6 0
3 years ago
∠EFG and ∠LMN are supplementary angles, m∠EFG=(3x+17)º, and m∠LMN=(12x−5)º.
Ira Lisetskai [31]

Answer:

EFG = 50.6, LMN = 129.4

Step-by-step explanation:

ok so s supplementary angles mean, their angles will always add upto 180. for example if one angle is 100° then the other will be 80°.

to find the angles first we need to solve for x.

we know EFG + LMN = 180 because its supplementary.

that's is (3x+17) + (12x-5) = 180.

we now solve for x;

15x+12 = 180

15x = 168, x= 168/15 = 11.2

now that we know x we can put this value in the corresponding equation of EFG and LMN to find the angles.

EFG = 3x11.2 + 17 = 50.6

LMN = 12x11.2 - 5 = 129.4

7 0
2 years ago
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