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Ostrovityanka [42]
3 years ago
14

5th grade math. correct answer will be marked brainliest.

Mathematics
1 answer:
givi [52]3 years ago
3 0

Answer:

The answer will be 41/14

Step-by-step explanation:

2.928571429

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A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 108.7-cm and a standard dev
Luden [163]

Let x be the lengths of the steel rods and X ~ N (108.7, 0.6)

To get the probability of less than 109.1 cm, the solution is computed by:


z (109.1) = (X-mean)/standard dev

= 109.1 – 108/ 0.6

= 1.1/0.6

=1.83333, look this up in the z table.


P(x < 109.1) = P(z < 1.8333) = 0.97 or 97%

3 0
4 years ago
6.051x10^5 in standard form
jonny [76]

Answer:

605100

Step-by-step explanation:

= 6.051 × 105

(scientific notation)

= 6.051e5

(scientific e notation)

= 605.1 × 103

(engineering notation)

(thousand; prefix kilo- (k))

= 605100

(real number)

4 0
4 years ago
a rectangular garden has a length which is 14 feet longer than 4 times its width. its area is 60 find length and width. Pls help
gogolik [260]

Answer:

56

Step-by-step explanation:

8 0
3 years ago
A professor, transferred from Toronto to New York, needs to sell his house in Toronto quickly. Someone has offered to buy his ho
I am Lyosha [343]

Answer:

(a) = 40%

(b) = 28%

(c) Expected value = $222,500

Standard deviation = $7,216.88

Step-by-step explanation:

This is a normal distribution with a = 210,000 and b =235,000

(a) The probability that he will get at least $225,000 for the house is:

P(X\geq 225,000) =1 -\frac{225,000-a}{b-a} =1-\frac{225,000-210,000}{235,000-210,000} \\P(X\geq 225,000) =0.4= 40\%

(b)The probability he will get less than $217,000 is:

P(X\leq 217,000) =\frac{217,000-a}{b-a} =\frac{217,000-210,000}{235,000-210,000} \\P(X\leq 217,000) =0.28= 28\%

(c) The expected value (E) and the standard deviation (S) are:

E=\frac{a+b}{2}=\frac{210,000+235,000}{2}\\ E=\$222,500\\S=\frac{b-a}{\sqrt{12}}=\frac{235,000-210,000}{\sqrt{12}}\\S=\$7,216.88

4 0
3 years ago
What is the answer and how do you do this
Alexeev081 [22]
Hey there I see you need help well I am here to do just that your answer would be 1/4  so each of the 3 patties are 1/4th of a pound     hopes this helps 
7 0
3 years ago
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