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KIM [24]
3 years ago
15

In a standard normal distribution 95% of the data is within +/- _______standard deviations of the mean.

Mathematics
1 answer:
Elan Coil [88]3 years ago
8 0
Your answer is 2 deviations
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What is the range of the function f(x)=12-3x for the domain {-4,-2,0,2,4}?
liberstina [14]
12-3(-4)= 12+12= 24
12-3(-2)= 12+6= 18
12-3(0)= 12-0 = 12
12-3(2)= 12-6= 6

12-3(4)= 12-12= 0

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5 0
3 years ago
Can anyone start me off on this? its trigonometric ratios​
Alexxx [7]

Answer:

The angle is about 30.27 degrees.

Step-by-step explanation:

Use the trig ratio cosine because you are given the adjacent leg and the hypotenuse.

cos^{-1} =19/22

Plug into a calculator

Rounded to the nearest hundredth the angle is 30.27 degrees.

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3 years ago
7×4+ (16-7) to the second power +2 to the zero power
serious [3.7K]
It is 110 hope this helps.
6 0
4 years ago
A local pizzeria sold 55 pizzas yesterday.
Luba_88 [7]

Answer:

11

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4 0
3 years ago
Read 2 more answers
Chang will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $50 and costs an add
oksano4ka [1.4K]

Answer:

  • 450 miles
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Step-by-step explanation:

The difference in fixed cost is $9; the difference in per-mile cost is $0.02. The difference in per-mile cost will equal the difference in fixed cost for a distance of ...

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At that distance, the rental cost is ...

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Both plans will cost $117.50 for 450 miles of driving.

5 0
3 years ago
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