Question

write the answers following below​

Answer 1

Step-by-step explanation:

4) c

5) a

6) 8

7) -18

8) 45

9) parallel

10) 180

Answer 2

Step-by-step explanation:

Q4) No of boys=70

No. of girls=60

total no. of students= 130

so the fraction of boys=

$=\frac{70}{130}\\\\= \frac{7}{13}$

option c is correct

Q5) To convert m into km we need to divide it by 1000

so $=\frac{180}{1000} \\\\= \frac{18}{100}\\\\= 0.18 km$

so option a is correct

Q6) -4*__=(-32)

let us assuume the missing no. as x

$-4*x=-32\\\\-4x=-32\\\\x=\frac{-32}{-4}\\\\x= 8$

so 8 is the missing number

Q7)

$\frac{y}{6}=-3\\\\y=-3*6\\\\y=-18$

the value of y= -18

Q8) complementry angle 45

let us assume it as x

so we need to find the other angle

the complementry angle is equal to 90

45 +x=90

x=90-45

x=45

so the complementry angle of 45 is 45

Q9 ) parallel

10) 180

angle A + angle B+ angle C=180

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