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Stells [14]
3 years ago
14

If A=-3 what is a^2 and 3a^2

Mathematics
2 answers:
bogdanovich [222]3 years ago
6 0

Answer:

-6, 9, and 81

Step-by-step explanation:

Flura [38]3 years ago
3 0

Answer:

Step-by-step explanation:

A) -6

B)  -9

C) -27

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What is 60488 rounded to the nearest tenth nearest ten thousand
shusha [124]
It is 60,000 since its rounded to the nearest ten thousand.
if it were 60,500 it would round up to 70,000 but since the number is lower than 500, the answer is 60,000
7 0
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Suppose the height of the pyramid is 20 yards. What is the pyramid's volume?
sp2606 [1]
B would be the correct answer if right mark me Brainly
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Which statement is true about the end behavior of the graphed function?
tatyana61 [14]

The <em><u>correct answer</u></em> is:

A) as the x-values go to positive infinity, the functions values go to negative infinity.  

Explanation:

We can see in the graph that the right hand portion continues downward to negative infinity.  The right hand side of the graph is "as x approaches positive infinity," since x continues to grow larger and larger.  This means as x approaches positive infinity, the value of the function approaches negative infinity.

8 0
3 years ago
Read 2 more answers
A bacteria culture starts with 880 bacteria and grows at a rate proportional to its size. after 5 hours there will be 4400 bacte
Alina [70]
Don't know whether or not you've encountered differential equations yet, but will try that approach here.

The growth rate is dy/dt  = ky (which states that the rate is proportional to the size of the population, y, and k is a constant.

Grouping like terms,  

dy
--- = kt, so y = Ne^kt
 y

We are told that at t=0, there are 880 bacteria.  Thus, 880=N.  Therefore,

y = 880e^(kt).  After 5 hours the pop will be 4400; using this info, find k:

4400=880e^(5k), or 5 = e^(5k).    So, our y = 880e^(kt) becomes

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What will be the pop after 2 hours?           y(2)=880e^(10) = 880(22026) =
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Time to reach a pop of 2550?  2550 = 880e^(5t).  Find t.

ln 2550 = ln 880 + 5t, so ln 2550 - ln 880 = 5t.  Divide both sides by 5 to obtain this time, t.
8 0
3 years ago
One-Fourth of a number is 14. Find the number.
Sholpan [36]

Answer:

56

Step-by-step explanation:

Multiply 14 by 4

5 0
3 years ago
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