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3 years ago

Ohio City Burgers charges $6.75 for a

Mathematics

1 answer:

luda_lava [24]3 years ago

3 0

Answer: x = (10 - 6.75) ÷ 0.75

Step-by-step explanation:

x stands for the maximum number of toppings you can afford.

10 stands for the amount of money you have (10$).

6.75 is the amount of money spent on the Burger alone.

0.75 is the money spent on each topping with your remaining money.

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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:

Step(i):-

Given that the sample size n =12 -volt car batteries

Let 'X' be a Random variable in a normal distribution

Given that mean of the normal distribution = 45 months

Given that the Standard deviation of the normal distribution = 8months

Step(ii):-

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

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

Step(iii):-

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

Final 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%

5 0

3 years ago

PLEASE help me with the answers!!!

jasenka [17]

100=1,478,300
1000=1,478,000
10,000=1,470,000

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Emily and her family are planning to fly to Italy over the summer. If they fly out from LAX, the distance of the trip will be 6,

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$s=\frac{d}{t}$

Data:

d=6343miles

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