3a – 3(–a + 2a) please tell me

Answers 1

Step-by-step explanation:

This is inform all the students that the poem recitation competition shall be held in the school on 25th september .The competition be go on between 10 am to 4pm ,the vanue for the competition is our school hall .This competition will improve your writing and learning skills .If you win you will get a prize which with school chairman sir . competition is for class 6th to 12th .Topic Azadi Ka Amr it Mahatsav and interested student give their name for our class teacher .

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नई सुबह से क्या तात्पर्य है?​

Answer:

एक नई शुरुआत।

Explanation:

नई सुबह के 2 अर्थ हो सकते h वाक्य के हिसाब से।

1) एक नई सुबह यानी एक नया दिन

2)एक नई सोच, नई शुरुआत। ये अक्सर तब इस्तेमाल होता है जब किसी ने कोई नई चीज की शुरआत की हो या कोई नई सोच का विचार आया हो।

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    hugh

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Answer:

sonkashi aap yahan ajao na aap mujhe bahut pasand ho

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90÷15 ×5 +70÷19-8×3 ​

Answer:

[tex]6 + \frac{70}{19}[/tex]

Step-by-step explanation:

[tex] = \frac{90}{15} \times 5 + \frac{70}{19} - 8 \times 3 \\ = 6 \times 5 + \frac{70}{19} - 8 \times 3 \\ = 30 + \frac{70}{19} - 24 \\ = 30 - 24 + \frac{70}{19} \\ = 6 + \frac{70}{19} [/tex]

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Answer:

9.684210523

Step-by-step explanation:

Using BODMAS rule:

90÷15×5+70÷19-8×3

= 6×5+3.6842105263-8×3

=30+3.6842105263-24

=33.6842105263-24

=9.6842105263

Identify acid and base from the following salt and also write nature of salt. (form a table) Sodium carbonate, sodium acetate, ammonium chloride, ammonium sulphate, potassium chloride, potassium nitrate, sodium hydrogencarbonate, sodium sulphate.​

Answer:

Salt Acid Base

sodium carbonate h2co3. NaOH

sodium acetate. ch3cooh. NaOH

ammonium chloride. HCL. Al(OH)3

ammonium sulphate. H2SO4. Al (OH)3

potassium chloride. HCL. KOH

potassium nitrate. HNO3. KOH

sodium hydrogen carbonate. h2co3. NaOH

sodium sulphate. H2SO4. NaOH

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Define Chromosomes. ​

Step-by-step explanation:

a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

Answer:

a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

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