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RUDIKE [14]
3 years ago
10

How does A compare to B?

Mathematics
1 answer:
Stels [109]3 years ago
8 0

Answer:

one's fatter then the other

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deandre has made a table of his baseball card collection based on the year. fill the third column with the fraction of his total
enot [183]
The answer would be 2/40

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6 0
3 years ago
Sean has $75 to spend on CDs. If each CD costs $6.98, about how many CDs can he buy?
Daniel [21]
75/6.98=10.744
We would most likely round this down to 10 even though the .7 because if we round up we would go over the budget.
So he can buy about 10 CDs
7 0
3 years ago
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To plot the point (5, -3) you would move up 5, then left 3.
IceJOKER [234]

Answer:

False.

Step-by-step explanation:

5 is the x (horizontal) coordinate and -3 is the y (vertical coordinate)

You would start at the origin and move 5 right and down 3.

4 0
2 years ago
Read 2 more answers
Help on the 2 one please!!
BARSIC [14]
Out of 15 marbles, 3 are yellow, which leaves 12 more marbles that are NOT yellow. 12/15 would be your answer

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7 0
3 years ago
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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
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