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d1i1m1o1n [39]
2 years ago
10

Anyone can you help me?

Mathematics
2 answers:
RoseWind [281]2 years ago
8 0

s=vt

s = the distance traveled

v = the velocity of sound

t = the time taken

Lightning and thunder are produced simultaneously, but the thunder is heard a few seconds after the lightning is seen. This is because the speed of light in air is more than the speed of sound in air.

The speed of sound is 340 m/s. Thus, the entire time of 10 seconds (as mentioned in the question) between seeing the light and hearing the thunderstorm is taken by the sound to travel to the observer. Hence, the distance traveled by the thunder is given as follows.

330m/s×10s=3400m=3.4km.

Thus, the distance traveled by the thunder is 3.4km.

-BARSIC- [3]2 years ago
6 0

\huge\color{aqua}{ \colorbox{aqua}{\colorbox{white} {Answer:}}}

The distance traveled by the thunder is 34.4km.

\huge\color{lime}{ \colorbox{lime}{\colorbox{white} {ChaEunWoo2009}}}

#CarryOnLearning

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Answer:

1 and 1/4 liters of paint are needed for one door

Step-by-step explanation:

You can eliminate each answer choice out. For '4/5 liters' you know that if that amount was used, it wouldn't be reasonable since it would mean that the more was used for the other 3/5 door. 3 and 1.5 would be too much since it is over 2 liters. 2 liters wouldn't be logical since you paint 1 <em>and</em> 3/5 of a door and you only used 2 liters, no more or no less, basically what would you use for the other 3/5 door if this was the answer.

Hope this helps!

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Two possible solutions of are -7 and 1. Which statement is true?
quester [9]

We can plug those values into the equation, and if the answer is incorrect, we'll know if either one is extraneous.

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√11 - 2(1) = √(1)^2 + 4(1) + 4

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4 0
3 years ago
Mrs. Jones has a local bakery. Last week this expression shows how many peanut butter cupcakes she baked. 5 (2x -4) + 3(3 + 4x)
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Answers:

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Step-by-step explanation:

<u>Part A: </u>

We have the following expression that models the quantity of cupcakes Mrs. Jones baked last week:

5(2x -4) + 3(3 + 4x)

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10x-20+9+12x

Grouping similar terms:

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<u>Part B:</u>

Now that we have the simplified expresion, we have to evaluate how many cupcakes did Mrs. Jones bake if x=6:

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11(12-1)=11(11)=121 Hence, Mrs. Jones baked 121 cupcakes last week

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