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castortr0y [4]
3 years ago
14

Light travels at 3.0 x 108 km/s. How far does light travel in 5 minutes?

Mathematics
2 answers:
masya89 [10]3 years ago
7 0
3.0 x 10^8 km/s is how far light travels.
3.0 x 10^8 km/s x 60s is how far light travels in a minute
3.0 x 10^8 x 60 x 5 is how far light travels in 5 minutes, and you should get D as your answer.
uranmaximum [27]3 years ago
6 0

Answer:

D)  9*10^{10} km.

Step-by-step explanation:

Given : Light travels at 3* 10^{8} km/s.

To find :  How far does light travel in 5 minutes.

Solution : We have given

Light travels in 1 second =  3* 10^{8} km.

1 minute = 60 second.

5 minute = 60* 5 = 300 second .

Light travels in 5 minute = 300 * 3* 10^{8} km.

Light travels in 5 minute =  3*10^{2}* 3*10^{8} km.

                                         = 9*10^{10} km.

Therefore, D)  9*10^{10} km.

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c) 100

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This is the best choice because the number is not too low or too high. He will get an accurate probability.

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3 years ago
A group of people stand in a circle and hold hands. One person squeezes the hand of the person on her left, who squeezes the han
MAVERICK [17]
To complete the situation, this can be found elsewhere:

<span>People: 5 Time: 2.10
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The choices are the below:

A: p = 0.42+ s, where s is time and p is the number of people 

B: s = 0.42p2, where s is time and p is the number of people 

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The answer is letter D. Hope it helps. 

3 0
3 years ago
Plssssss help me show the work!!
PilotLPTM [1.2K]

Answer:

use the quadruple double schlop schlop theorum

Step-by-step explanation:

Factor  

25

out of  

50

.

3

√

25

(

2

)

Rewrite  

25

as  

5

2

.

3

√

5

2

⋅

2

Pull terms out from under the radical.

3

(

5

√

2

)

Multiply  

5

by  

3

.

15

√

2

The result can be shown in multiple forms.

Exact Form:

15

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Decimal Form:

21.21320343

3 0
3 years ago
Given triangle FGH similar to triangle LMN, which must be true? Select all that apply
Otrada [13]

Answers:

A. True

B. True

C. True

D. False

E. True

In short, only answer choice D is false. Everything else is true.

=================================

Explanations:

A. The ordering of FGH and LMN is important. This is because F and L pair up as the first letters of the triple letter sequences, so do G and M as the second letters. Segment FG pairs up with LM because we're talking about the first two letters of both sequences. At the same time, FH and LN pair up because they are composed of the first and third letters of FGH and LMN respectively. Due to the triangles being similar, we can say FG/LM = FH/LN, ie we have a proportion.

------------------

B. Segment LN is proportional to FH, as explained back in part A. For example, FH could be 10 times longer than LN, making FH = 10*LN. Once the scale factor is set, you must use it for the other pairs of sides as well.

------------------

C. Similar triangles have corresponding angles that are congruent. This means F = L, G = M and H = N. Dividing the measure of F over the measure of L leads to 1 (regardless of what the angles happen to be) due to the rule x/x = 1, where x is nonzero. The same thing happens with dividing the measures of angle G over angle M. We get 1 on both sides after simplifying this given equation, so it is a true equation.

-----------------

D. Similar triangles are not congruent, so their corresponding side lengths are not congruent either.

-----------------

E. As explained back in part C, the corresponding angles are congruent because we know the triangles to be similar. The ordering of the letters matter. Angles H and N are the third letters of FGH and LMN respectively, which is why they pair up and are congruent.

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3 years ago
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Answer:

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Step-by-step explanation:

Use long multiplication to evaluate.

8 0
3 years ago
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