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Lostsunrise [7]
3 years ago
12

Heyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy (got to match my vibe to answer)

Mathematics
2 answers:
Keith_Richards [23]3 years ago
7 0

Answer:

hi bestieeee!!! how is yur day going ??

Bas_tet [7]3 years ago
5 0

Answer:

2H2S (g) + 3O2 (g) → 2H2O (l) + 2SO2 (g)

Calculate ΔH° from the given data. Is the reaction exothermic or endothermic?

ΔH°f (H2S) = -20.15 kJ/mol; ΔH°f (O2) = 0 kJ/, mol; ΔH°f (H2O) = -285.8 kJ/mol; ΔH°f (SO2) = -296.4 kJ/mol

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A sum of rs.2520 is divided in the ratio 3:4 . find the part in each term.​
kaheart [24]

Answer:

total \: ratio  = 3 + 4 = 7 \\  =  >2520 \div   \frac{3}{7}  = 5880 \\  =  > 2520 \div  \frac{4}{7}  = 4410

7 0
3 years ago
Mei does 6 problems in 18 minutes. How many can she complete in 12 minutes
Dmitriy789 [7]
Do cross multiplication

  <u>6</u>  =  <u>x</u>
 18    12

Now cross multiply

(6)(12) = (18)(x)

       72 = 18x

Divide both sides by 18
     
    
     <u>72</u>  = <u>18x</u>
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So tMei can complete 4 problems in 12 minutes.

5 0
3 years ago
HELP.. What angle pair relationship is shown?
Greeley [361]
Answer: Corresponding
7 0
3 years ago
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Simply the expression given below (3x^3+4x^2+4x-12)+(-5x^3+9x^2-9x+20)
Svet_ta [14]

Answer:

1. Simplify: (4x2 - 2x) - (-5x2 - 8x).

Solution:

(4x2 - 2x) - (-5x2 - 8x)

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= 9x2 + 6x.

= 3x(3x + 2).

Answer: 3x(3x + 2)

Step-by-step explanation:

6 0
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By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%?
il63 [147K]
The answer is 66.6666%
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