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Svet_ta [14]
4 years ago
5

I need help ASAP!!!!!!!!!!!!!!

Mathematics
1 answer:
Svetllana [295]4 years ago
8 0

someone help us solve this!!

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A cable is made up of four wires. The breaking strength of each wire is a normally distributed random variable with mean 10 kN a
Bas_tet [7]

Answer:

a) μ =35.858KN

b) median cable strength =36.06KN

Step-by-step explanation:

Let X1, X2, X3, X4 represent the strength of the 4 wires.

We can find the median of the cable strength in minitab as:

Stat - Basic statistics- Display descriptive statistics-variable (C5) -statistics(median) - ok

Median cable strength is 36.06 KN

Therefore the estimate of the mean strength of the cable is 35.858 KN, and the estimate of the median cable strength is 36.06 KN.

6 0
3 years ago
What is 10% suger from 80g of suger
solong [7]

Answer:

I think it would be 800g

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
F(x) = 3x + 5<br> g(x) = 4x² – 2<br> h(x) = x - 3x + 1<br> Find f(x) – g(x) - h(x).
drek231 [11]

Answer:

- 5x² + 6x + 6

Step-by-step explanation:

f(x) - g(x) - h(x)

= 3x + 5 - (4x² - 2) - (x² - 3x + 1) ← distribute parenthesis

= 3x + 5 - 4x² + 2 - x² + 3x - 1 ← collect like terms

= - 5x² + 6x + 6 ← in standard form

5 0
3 years ago
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Please help my slow behind ASAP
barxatty [35]
The answer is D.  The grand total for 12th graders is 68.  Divide the 28 students in 12th grade who prefer math by the grand total to get you a rounded answer of 0.412.
4 0
4 years ago
TIME REMAINING 24:59 Ten members of Balin's soccer team ran warm ups for practice. Each member ran the same distance. Their comb
Crazy boy [7]

Answer:

The equivalent expression = 1/12 of a mile

Step-by-step explanation:

Total distance of 10 members of the Balin's soccer club =5/6 of a mile

To find the distance that each member ran, Balin wrote the expression:

5/6 ÷ 10

Which expression is equivalent to Balin's expression?

5/6 ÷ 10

= 5/6 × 1/10

= 5/60

= 1/12 of a mile

Each member of the Balin's soccer club ran 1/12 of a mile

The equivalent expression to 5/6 of a mile divided by 10 members of the Balin's soccer club is 1/12 of a mile

4 0
3 years ago
Read 2 more answers
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