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omeli [17]
3 years ago
7

A marine biologist is doing research on shellfish that lives 80 feet below sea level. The marine biologist dives into the sea at

a rate that is no less than -5 feet per second. How long will it take the marine biologist to reach the shellfish? Inequality!! PLEASE HELP!!!! DUE TODAY!!
Mathematics
1 answer:
Pepsi [2]3 years ago
5 0
It will be 16 seconds

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The average daily rainfall for the past week in the town of Hope Cove is normally distributed, with a mean rainfall of 2.1 inche
natita [175]

Answer:

D

Step-by-step explanation:

We calculate the z-score for each

Mathematically;

z-score = (x-mean)/SD

z1 = (1.9-2.1)/0.2 = -1

z2 = (2.3-2.1)/0.2 = 1

So the proportion we want to calculate is;

P(-1<x<1)

We use the standard score table for this ;

P(-1<x<1) = P(x<1) -P(x<-1) = 0.68269 which is approximately 68%

6 0
3 years ago
If GJ = 7 and HJ = 6, then H _____ G. Choose the relationship symbol that would make a true statement. &lt; = &gt;
pantera1 [17]

It would be less than. (<)

6 0
3 years ago
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At an ice cream shop, you can get a waffle cone, sugar cone, cake cone or a cup in sizes small, medium and large. There are 20 i
xeze [42]
It equals 3600 combinations
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4 0
3 years ago
What are the solutions to the equation x² = 256?
Artyom0805 [142]
X = 16
x = - 16

You could do it this way
x^2 - 256 = 0
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6 0
3 years ago
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Please help
Flauer [41]

Answer:

C

Step-by-step explanation:

A number's absolute value is its distance from zero. -4 is 4 units from zero so its absolute value is 4

Hope this helps!

4 0
3 years ago
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