Question

Hi guys
please please tell me answer fastttt
please please tell the answer with step by step explanation​

Answer 1

Answer:

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Answer 2

Answer:

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answer for you!!!!!

Step-by-step explanation:

1) Parmit has x marbel

5x+7=37

5x=30

x=6

2)let laxmi age = Y years

laxmi father age = 49 years

laxmi age = 3y+4 years of her father

we know that

3y+4 = 49

3y = 49-4

3y = 45

y = 45/3

y = 15

3)Let's assume the lowest mark is  ′ x ′ .

twice the lowest mark will be 2x

given that twice the lowest marks plus seven is highest mark.

=> 2x+7=87

=>2x=80

=>x=40

Hence the lowestmark is 40.

4)Let the base angle =b

⇒vertex angle =2b

Sum of angles in a triangle =180 °

⇒b+b+2b=180

⇒b=45 °

Angles =(45 ° ,45 °,90 ° )