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Charra [1.4K]
3 years ago
15

A baseball Player hits a ball 360 feet to the outfield it takes the ball for seconds to travel this distance.How many feet does

the ball travel in 1 second
Mathematics
1 answer:
Black_prince [1.1K]3 years ago
3 0
90 because 360 divided by 4 is 90. You can do the inverse operation and multiply 90 by 4 to get 360. At harder way to do it is by... Multiplying 9 times 4 and multiplying the answer by 10. All ways will add up to 360
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Did the team's value increase from 2015 to 2016?


5 0
3 years ago
Is 2(x - 6) = -35 equivalent to 2x = -23
rusak2 [61]
Yes, if you just distribute 2(x-6). Then you would have 2x-12 = -35 then add 12 to the -35 and your answer would be 2x = -23 and leads to them being equivalent.
7 0
3 years ago
The life in hours of a 75-watt light bulb is known to be normally distributed with standard deviation σ = 25 hours. A random sam
irina [24]

Answer: a) (1008.34,1019.658) b) (1009.24,1018.76)

Step-by-step explanation:

Since we have given that

n = 75

mean = 1014 hours

Standard deviation = 25 hours

At 95% two sided , z = 1.96

So, confidence interval would be

\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=1014\pm 1.96\dfrac{25}{\sqrt{75}}\\\\=1014\pm 5.658\\\\=(1014-5.658,1014+5.658)\\\\=(1008.34,1019.658)

(b) Construct a 95% lower confidence bound on the mean life.

z = 1.65

So, confidence interval would be

\bar{x}\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=1014\pm 1.65\times \dfrac{25}{\sqrt{75}}\\\\=1014\pm 4.76\\\\=(1014-4.76,1014+4.76)\\\\=(1009.24,1018.76)

Hence, a) (1008.34,1019.658) b) (1009.24,1018.76)

4 0
4 years ago
Is (x-4) a factor of f(x) = x3 - 2x2 + 5x + 1? Use either the remainder theorem or the factor theorem to explain your reasoning.
Virty [35]

Answer:

(x-4) is not a factor of f(x)=x³-2x²+5x+1

Step-by-step explanation:

Uding the remainder theorem,(x-4) is a factor if the remainder is 0

Plug in x=4

(4)³-2(4)²+5(4)+1

64-32+20+1

64-53

11

7 0
3 years ago
2. The graph of a certain geometric sequence can be described as a curve increasing from left to right. Which sequence would hav
kozerog [31]

Answer:

0 (-1,2,-4, 8, -16) that should help you

Step-by-step explanation:

8 0
3 years ago
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