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mina [271]
3 years ago
14

What percent of all species that ever existed do biologists estimate are now extinct?

Advanced Placement (AP)
2 answers:
photoshop1234 [79]3 years ago
5 0

Answer:

pleease mark me as brainlyiest

Explanation:

.

Nookie1986 [14]3 years ago
4 0
The answer is 99% of all species that biologist estimate that are extinct
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Why is it important for people onstage and offstage in the theater to use the same vocabulary
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Explanation:

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Which of the following accurately describes the experiences of immigrant groups in the late 1800s?
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4 0
4 years ago
Read 2 more answers
What is the solution of 2y=8-x and y-2x=-1
lbvjy [14]

Answer:

2y=8-x

y-2x=-1

y-2x=-1

y = 2x-1

Substitute for y in the 1st

2(2x-1)=8-x

4x-2=8-x

5x = 10

x = 2

y=2x-1

y = 3

Explanation:

2y=8-x

y-2x=-1

------------

Rearrange:

x = 8-2y

y = 2x-1

------------

Substitute to get:

y = 2(8-2y)-1

 y = 16-4y-1

5y = 15

y = 3

-------------------

Substitute to solve for "x":

x = 8-2(3)

x = 2

6 0
4 years ago
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