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vlabodo [156]
3 years ago
12

Sasha walk 12 m in 16.8 seconds sam walked 31 m in 46.5 seconds who was the fastest?

Mathematics
2 answers:
irina [24]3 years ago
7 0
Sasha: 16.8 seconds divided by 12 m=1.4 meters per second

Sam:46.5 seconds divided by 31 m=1.5 meters per second
KengaRu [80]3 years ago
4 0

Answer:

Just a bored teen willing to help,

hope you're having a splendiferous day...

Step-by-step explanation:

Sasha: 16.8 seconds÷12 m=1.4 meter per second.

Sam: 46.5 seconds÷31 m=1.5 meter per second.

Sasha walked the fastest.

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Find the value of x in a triangle with one side 11 and 1 angle being 28​
Andre45 [30]

Answer:

C: 12.5

Step-by-step explanation:

The sides x and 11 could be defined as the Adjacent angle and the Hypotenuse. This means that we will use the cos function to solve this.

First we can set up our equation

cos28=\frac{11}{x}

Next we can solve for x by multiplying by x and dividing by cos 28

x=\frac{11}{cos28}\\\\x=12.458\\\\x=12.5

4 0
3 years ago
Read 2 more answers
PLEASE HELP!!! deck measures 18 feet by 25 feet Garden measures 9 feet by 12 feet
velikii [3]

Answer:

Area of Garden: 108 feet

The area of the deck, not including the garden: 342 feet

Q3: $1,890

Q4: 151.2

Q5: $2041.2

Step-by-step explanation:

7 0
3 years ago
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Help with IXL please
9966 [12]

Answer:

$77.18

Step-by-step explanation:

Fill in your equation like this:

B=70(1+.05)^2 and

B=70(1.05)^2 and

B=70(1.1025) so

B = $77.18

8 0
3 years ago
4(x+5) = 4x +5x it's probably easy but i'm dumb
Irina18 [472]
<span>4(x+5) = 4x +5x

Simplify by distributing and combining like terms
</span>(4)(x)+(4)(5)=4x+5x
4x+20=4x+5x
4x+20=(4x+5x)
4x+20=9x

Subtract 9x from each side
4x+20−9x=9x−9x
5x+20=0
<span />
Subtract 20 from each side
−5x+20−20=0−20
−5x=−20

Divide each side by -5
-5x ÷ -5 = -20 ÷ -5
x = 4

P.S this was actually harder than most algebra problems, so don't beat yourself about it :D<span /><span /><span /><span /><span />
6 0
3 years ago
A high school student named David Merrell did a study of how music affects the ability of rats to run a maze. He trained 71 rats
Alona [7]

Step-by-step explanation:

Heavy Metal "music" impacts negatively the long term memory, if at least the ability to access it.

while harmonic music has no blocking effect or maybe even strengthens the long term memory and the ability to access it.

here 3 remarks.

first 2 scientifically from psychology : memory works mostly associative. that means brains do not store absolute information like a digital computer, but always in combination and association with other pieces of information. if there is nothing else to remember (like a more or less random pattern of sound effects for that the brain cannot find a rule or concept for), there are no associations with presented pieces of information, and the storage and access to it is much harder and restricted.

and - loud crashing and seemingly random noise triggers the panic mode in our brains. and panic is the mode favoring pure instinct and suppressing cognitive functions.

and finally, personally, it just confirms what I literally feel when listening to such music : it destroys at that moment any ability to keep a straight thought, prolonged exposure gives me the feeling that something gets broken inside my brain and thought processes.

I suspect that this is exactly the feeling that the fans of this kind of music are after (kind of like most drugs), but I am not surprised that there actually is something broken in the brain (again, as with drugs).

4 0
2 years ago
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