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Rus_ich [418]
2 years ago
7

50 points!!

Mathematics
2 answers:
V125BC [204]2 years ago
6 0

Answer:

the answer is 2

Step-by-step explanation:

I completed the test

Daniel [21]2 years ago
4 0

Answer:

iykvhchjgmh.Algal blooms have dramatic effects on water chemistry, most notably pH and dissolved oxygen (DO). When algae remove carbon dioxide during photosynthesis they raise the pH by increasing the level of hydroxide. The opposite reaction occurs during respiration when carbon dioxide is produced lowering hydroxide and lowering the pH.

Step-by-step explanation:

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3x – y = -1 x – 2y = -12
Leviafan [203]

The solution to the system of equation is (2, 7)

<h3>System of equation</h3>

Given the  system of equation expressed as:

3x – y = -1  * 2

x – 2y = -12 * 1

________________

6x – 2y = -2

x – 2y = -12

Subtract to have;

6x-x = -2-(-12)

5x = 10

x = 2

Substitute x = 2 into 2 to have:

2 - 2y = -12

-2y = -14

y = 7

Hence the solution to the system of equation is (2, 7)

Learn more on system of equation here: brainly.com/question/25976025

#SPJ1

8 0
1 year ago
Question 1 (1 point)
KatRina [158]

Answer:

97.2

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Tabitha received $2,200 from her aunt as a birthday gift. She decided to put the money in an account to save for college. The ac
arsen [322]

3225.36

Step-by-step explanation:

8 0
3 years ago
Shows that n+1Cn= mCn-1 + mCn
ArbitrLikvidat [17]

Answer:

I think the Question is incorrect; the left hand side of the equation should be

m+1Cn

Step-by-step explanation:

4 0
3 years ago
3 2/3 times 5 1/7 = ?/3 times ?/7 =
Ymorist [56]

Answer:

is that 32 / 3 or 3^2/3 ...?

Step-by-step explanation:

if 32/3 and 51/7

then answer will be 1120/17

4 0
2 years ago
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