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Mars2501 [29]
3 years ago
8

You might need:

Mathematics
1 answer:
PtichkaEL [24]3 years ago
5 0

Answer:

Sodium ion

Step-by-step explanation:

Hope this helps!

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A quarterback throws an incomplete pass. The height of the football at time t is modeled by the equation h(t) = –16t2 + 40t + 7.
Nostrana [21]
Indicated here when h(t) = 0, we are to find for the time where the football has reached a certain height. 


Then, the values of t would be -0.2 and 2.7.

Since we are to look for the time, it is impossible for us to have an answer that has a negative value. So based from our answer, the solution that we will eliminate is the -0.2 one. Since its value is negative.

So, the correct value would be the 2.7 sec. one.
5 0
3 years ago
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A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n indepe
Finger [1]
The probability is 0.1458.

The probability is given by:

_{20}C_2(0.04)^2(1-0.04)^{20-2}
\\
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3 years ago
If DE + EF = DF, and ____________, then the point E is the midpoint of .
gogolik [260]
<span>DE=EF  hope I helped with your studies :)

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3 years ago
A motorcycle travels north along
Sindrei [870]

Answer:

42 mph

Step-by-step explanation:

From 2 p.m. to 6 p.m. 4 hours passed, so the truck and the motorcycle were on the road for 4 hours until they met.

Motorcycle in 4 hours at a constant speed of 45 mph travelled

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The distance between the motorcycle and the truck is 348 miles, so the truck travelled

348 -180=168\ miles

If x mph is truck's speed, then

168=4\cdot x\\ \\x=\dfrac{168}{4}=42\ mph

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3 years ago
Please help me with part a and b
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Step-by-step explanation:

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