3 years ago

What is an ecosystem

Mathematics

2 answers:

sveta [45]3 years ago

8 0

A biological community of interacting organisms and their physical environment

klemol [59]3 years ago

4 0

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows. ... Ecosystems are controlled by external and internal factors.

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A - 2 + 3 = -2 What does a stand for for?

sdas [7]

Answer:

-3

Step-by-step explanation:

keep change change such as -6-2 would be -6+-2

6 0

4 years ago

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At the city museum, child admission is $5.60 and adult admission is $9.20. On Sunday, 145 tickets were sold for a total sales of

Studentka2010 [4]

Let x be the number of child admission tickets sold:
Child's ticket = x

There is a total of 145 tickets sold:
Adult = 145 - x

Total sales is $1020.80:
5.6x + 9.2(145 - x) = 1020.8

Solve for x:
5.6x + 9.2(145 - x) = 1020.8
5.6x + 1334 - 9.2x = 1020.8
3.6x = 313.2
x = 313.2 ÷ 3.6
x= 87

Answer: Number of child's ticket = 87

5 0

4 years ago

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What is 6n+5=4n-5n? <br> I Tried to solve and I could'nt find an accurate answer.

enot [183]

Answer:

n = - 5/7

Step-by-step explanation:

6n + 5 = 4n - 5n

6n - 4n + 5n = - 5

7n = - 5

n = - 5/7