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storchak [24]
3 years ago
13

What is the value of the expression? 8P3 120 O 20 O 56 6720 O​

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
4 0
I honestly don’t know I’m really sorry
You might be interested in
Plz help<br><br><br>If x:6 as 3:9, then x is equal to
sladkih [1.3K]

Answer:

x/6 = 3/9

9x = 18

x = 2

Answer: 2:6 as 3:9

If x:6 as 3:9, then x is equal to  

---

Equation:

(x/6) = 3/9

x = 6(3/9)

Step-by-step explanation:

4 0
3 years ago
Delta makes 12-volt car batteries. These batteries are known to be normally
blondinia [14]

Answer:

The probability that Delta car batteries last between three and four years

P(36≤X≤48) = 0.5188

The percentage of that Delta car batteries last between three and four years

P(3≤X≤4) = 52%

Step-by-step explanation:

<u><em>Step(i):-</em></u>

<em>Given that the sample size n =12 -volt car batteries</em>

<em>Let  'X' be a Random variable in a normal distribution</em>

<em>Given that mean of the normal distribution = 45 months</em>

<em>Given that the Standard deviation of the normal distribution = 8months</em>

<u><em>Step(ii):-</em></u>

Let  X₁ = 3 years = 12 × 3 = 36 months

Z_{1} = \frac{x_{1} -mean}{S.D} = \frac{36-45}{8} = -1.125

Let X₂ = 4 years  = 12 × 4 = 48 months

Z_{2} = \frac{x_{2} -mean}{S.D} = \frac{48-45}{8} = 0.375

<u><em>Step(iii)</em></u>:-

The probability that Delta car batteries last between three and four years

P(36≤X≤48) = P(-1.125≤Z≤0.375)

                   = P(Z≤0.375) - P(Z≤-1.125)

                   = 0.5 +A(0.375) - (0.5-A(1.125)

                   = 0.5 + 0.1480 - (0.5 -0.3708)

                  = 0.1480 + 0.3708

                 = 0.5188

<u><em>Final answer:-</em></u>

The probability that Delta car batteries last between three and four years

P(36≤X≤48) = 0.5188

The percentage of that Delta car batteries last between three and four years

P(3≤X≤4) = 52%

<em />

5 0
2 years ago
Hong has been given a list of 6 bands and asked to place a vote. his vote must have the names of his favorite and second favorit
mixas84 [53]
This requires us to find the number of permutations of 6 different bands taken 2 at a time:
6P2=\frac{6!}{(6-2)!}=30\ different\ votes.
7 0
3 years ago
Simplify 8 - (-5) - 4(-7).<br><br> -63<br> -15<br> 41<br> 68
jekas [21]
The correct answer is 41.
3 0
3 years ago
I need help with this
eduard

Answer:are there choises?

Step-by-step explanation:

4 0
2 years ago
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