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Vsevolod [243]
3 years ago
13

D. The space shuttle travels at about 28,000 km per hour. Using that information, estimate how many hours it will take the shutt

le to reach Saturn from Earth. Show your work. Convert your answer into scientific notation if necessary.
Mathematics
1 answer:
rosijanka [135]3 years ago
7 0
The distance between earth and Saturn is 1.2 billion km(746 miles) so if 28,000= 1 hr then 1,200,000,000÷28,000 is 42857.14286 or 42,857.14 (1,785.71 days. or 4.89 years)
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In a parallel circuit, ET = 120 V, R = 30 Ω, and XL = 40 Ω. What is IR?
soldi70 [24.7K]

Answer:


Step-by-step explanation:

Given

ET = 120 V

, R = 30 Ω,

XL = 40 Ω.

To find = IR=?

as in circuit inductor and resistor are parallel so ET =EL = ER = 120V

IR = current through resistor = IR = ER/ R

                                                      = 120V /30Ω.

                                                       = 4 ampere.



6 0
3 years ago
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Natasha_Volkova [10]

Answer:

13.5

Step-by-step explanation:

The point with the missing coordinate is (?, 12), so the value of  y  is 12.  Plug 12 into the equation in the place of  y.

4x - 3(12) = 18

4x - 36 = 18

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3 0
2 years ago
a car deceased in value by 25% in the first year. purchased for $28,000, what is the car worth today.
Gwar [14]
Try this:  Principal times (1+interest rate as a decimal fraction)^(number of yrs)

In this case, Principal = $28,000; interest rate = -0.25; # of years = 1

So Decrease in value = $28,000 (0.75)^1 = $21,000.
4 0
3 years ago
Alexa spins a spinner that is divided into equally sized red, green, and blue sections. What is the probability that Alexa spins
vesna_86 [32]
The probability that Alexa spins an orange is zero. Since there is no orange on the spinner, there is no way for her to get an orange. Hope this helped!
4 0
3 years ago
Helpppp pleaseee i need a quick answer
aleksandr82 [10.1K]

Answer:

32 i think

Step-by-step explanation:

its 16 cm, so 2 full rotations would be 16 times 2

which is 32

4 0
2 years ago
Read 2 more answers
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