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GenaCL600 [577]
3 years ago
7

A marine biologist is studying the growth of a particular species fish?​

Mathematics
1 answer:
Lelu [443]3 years ago
6 0

Answer:

Im Not Getting The question through my head , if the question is does a marine biologist study ....... dadadada then yes they do

Step-by-step explanation:

You might be interested in
Solve the equation: <br><br> 9 (x − 9)−3 = −4 (2x + 4)<br><br> 4<br><br> -4<br><br> 100<br><br> 68
Nina [5.8K]

Answer:


Step-by-step explanation:

Applying BODMAS here;

We first solve what is in the brackets:

9x - 81 -3 = -8x - 16

We then put the like terms together:

9x + 8x = -16 + 81 + 3

We then do the addition:

17x = -16 + 84

We then do the subtraction:

17x = 68

Simplifying this gives:

x = \frac{68}{17} = 4

8 0
3 years ago
A normal distribution has a mean of 4 and a standard deviation of 1. What percent of values are from 4 to 7?
Igoryamba

Answer:

49.865%

Step-by-step explanation:

Given that:

μ = 4 ; σ = 1

For x = 4

P(x < 4) :

Z score (x - μ) / σ

P(x < 7) - P(x < 4)

((7 - 4) / 1) - ((4 - 4) / 1)

P(Z < 3) - P(Z < 0)

Usibg the Z probability calculator :

0.99865 - 0.5

= 0.49865

= 0.49865 * 100

= 49.865%

6 0
2 years ago
How do I do this!!!!!
-BARSIC- [3]

Pyramid Surface Area = (½ * Perimeter of Base * Slant Height) + Base Area

Base perimeter = 4 * 18 = 72 inches
Base Area = 18*18 = 324 square inches

Pyramid Surface Area = (.5 * 72 * 12) + 324
Pyramid Surface Area = 432 + 324
Pyramid Surface Area = 756 square inches

Source:
http://www.1728.org/volpyrmd.htm



4 0
3 years ago
A pine cone drops from a tree branch that is 36 feet above the ground. The function h = –16t2 + 36 is used. If the height h of t
scoray [572]
Notice that the height of the pine cone when it hits the ground is zero. So, to find the tame it takes for the pine cone to hit the ground, we just need to replace the height, h, with 0 in the function, and solve for time t:
h=-16t^2+36
0=-16t^2+36
-36=-16t^2
t^2= \frac{-36}{-16}
t^2= \frac{9}{4}
t=(+/-) \sqrt{ \frac{9}{4} }
t=(+/-) \frac{3}{2}
t=(+/-)1.5
Since time cannot be negative, the solution is t=1.5 seconds.

Since 1.5 second is significantly less than 2 seconds, we can conclude that <span>2 seconds is not a reasonable answer to this model.</span>
6 0
3 years ago
Read 2 more answers
-3(-7) answer to this please
Naddika [18.5K]

Answer:

21

Step-by-step explanation:

Negative times negative is positive.

-3(-7) = 21

8 0
3 years ago
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