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Paha777 [63]
3 years ago
6

Please tell me how to do number 1 !! I dont need the answer i just need help

Mathematics
1 answer:
AlexFokin [52]3 years ago
3 0
The answer is A because -47-27 is -111
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Is 225/15/3 equal to 225/(15/3)?
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No, because if they were equal the second equation should be 225/(15x3), not (15/3). 
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Pooky eats three cans of cat food each day. How long will 27 cans of food last?
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Answer: 9 days.

Step-by-step explanation: 27 / 3

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14 times the difference of 8 and w
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14(8-W)=0
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112-14W=0
-112 -112
------------------- The answer is 8
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5 0
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Simplify 6 - (-2) - 3(-5).<br> -11<br> -7<br> 19<br> 23
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4 0
2 years ago
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In one year the perseid metor shower had a metor appear every 1/5 5 minutes on average That same year the Leonid metor shower ha
olga55 [171]

In one year, the Perseid meteor shower had a meteor appear every 1 1/5 minutes on average. That same year, the Leonid meteor shower had a meteor appear every 4 2/3 minutes on average. How many more meteors fell during the Perseid meteor shower?

Answer:

325,452 meteors

Step-by-step explanation:

We all know that :

We have 365 days in a year and in each day there are 24 hours, Likewise an hour has 60 minutes

SO, the total number of minutes in a year is :

365 × 24 × 60 = 525600 minutes

For Perseid  meteor:

1 + \frac{1}{5}  \\ \\ = 1 + 0.2 \\  \\ = 1.2

So one meteor fall at 1.2 minutes interval Thus, in a year, we will have :

1 meteor - 1.2 minutes.

x meteor - 525600 minutes.

1.2x = 525600

x = \frac{525600}{1.2}

x = 438000

∴  438,000 meteors fell during the Perseid shower.

For  Leonid meteor shower:

4 + \frac{2}{3} = 4.67

So one meteor fall at 4.67 minutes interval Thus, in a year, we will have :

1 meteor - 4.67 minutes.

x meteors - 525600 minutes.

4.67x = 525600

x = \frac{525600}{4.67}

x = 112548

112,548 meteors fell during the Leonid Shower.

Finally , the numbers of more meteors that  fell during the Perseid meteor shower is calculated by the difference in the number of Perseid meteor shower and Lenoid meteor shower. i.e

438,000 - 112,548 = 325,452

325,452 more meteors fell during the Perseid meteor shower

5 0
3 years ago
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