add a question tag they have gone for a holiday today ​

Answers 2

Answer:

they have gone for a holiday today,haven't they?

Ans

They have gone for a holiday today?

Step-by-step explanation:

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answer the following question properly​
question img

Answer:

share invite to somebody

Explanation:

Find the perimeter of kite abcd given below​
question img

Answer:

28+12x

Step-by-step explanation:

perimeter= 5+5+(9x+12)+(3x+6)

10+12+6(9x+3x)

28+12x

Father is 3 times the age of the sum. After 5 years he will be 2 1/2 times his son's age. Find their present age. Pls tell i will mark you brainlaiest

Answer:

yes dear

Step-by-step explanation:

Let the age of father =x years

The sum of the age of 2 children =y years

According to the first condition

⇒x=3y.....eq1

After 5 years

⇒ Father's age =x+5

⇒ The sum of ages of his two children =y+10

According to the second condition

⇒x+5=2(y+10)⇒x+5=2y+20

⇒x−2y=15....eq2

Put the value of x from eq1

⇒3y−2y=15⇒y=15

Put y=15 in eq1

⇒x=3×15⇒x=45

Hence, father age =45 years

please mark me as brainleist

write five uses of non metals​

Answer:

Some non - metals and their uses are listed below :

Oxygen is used for breathing.

Chlorine is used for purifying water.

Phosphorous is used in crackers.

Non - metals like nitrogen is used in fertilizers.

Graphite is used as a good conductor of electricity.

Potassium is used in fertilizers.

Nitrogen is used by plants.

Explanation:

Explanation:

Some non - metals and their uses are listed below :

Oxygen is used for breathing.

Chlorine is used for purifying water.

Phosphorous is used in crackers.

Non - metals like nitrogen is used in fertilizers.

Graphite is used as a good conductor of electricity.

Potassium is used in fertilizers.

Nitrogen is used by plants

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