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jeyben [28]
3 years ago
11

HELP SCIENCE! I PUT MATH N DIDNT MEAN TO

Mathematics
2 answers:
Ganezh [65]3 years ago
6 0
B) 4Na + O₂ → 2Na₂O
b) H₂ + Cl₂ ---> 2HCi
vivado [14]3 years ago
5 0
the first question b is balanced
the second question b is balanced but it is 2HCl not 2HCi ;-)
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What is the answer for x-5/9= -4?
amid [387]

Answer:

-31/9

Step-by-step explanation:

Bring -5/9 to other side

-4 is also written as -3 9/9

-3 9/9 + 5/9 = x

-3 4/9 = x

5 0
2 years ago
Read 2 more answers
Suppose that the first team member in a 3-person relay race must run 2 1/4 laps, the second team member must run 1 1/2 laps, and
Kisachek [45]

You need to add up all 3 mixed numbers to find the total laps.

2 + 1/4 + 1 + 1/2 + 3 + 5/8 =

(2 + 1 + 3) + (1/4 + 1/2 + 5/8) =

6 + (2/8 + 4/8 + 5/8) =

6 + (11/8) =

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6 0
3 years ago
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What is the conjugate of -1-5i?
NARA [144]

Answer:

-6

Step-by-step explanation:

is -6

4 0
2 years ago
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snow_lady [41]

Answer:

- 15x² + 7x + 1

Step-by-step explanation:

Given

2x² - 9 - 17x² + 10 + 7x ← collect like terms

= (2x² - 17x² ) + 7x + 1

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5 0
3 years ago
5. The fourth graders are going to the
Llana [10]

Answer:

14 rows. Hope this helped :) !

5 0
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