Question

Construct a formula for each of the following
statements.
(i) A number decreased by 8 is 21.
(ii) Half a number is twice the number decreased
by 10.
(iii) Twice a number increased by 12 is 28.
1
(iv) Half a number added to of the number is 60.
10
(v) The sum of 3 consecutive integers is (-15).
(vi) The sum of 2 consecutive multiples of 9 is
81.
(vii) If 4 is subtracted from twice a number, the
result is 18.​

Answer 1

Answer:

Is given below....

Step-by-step explanation:

(1) x - 8 = 21.

(2) x/2 =  (x-10) * 2.

(3). 2x+12 = 28.

(4) added to ____?

(5) x + (x+1) + (x+2) = -15.

(6) x + (x+9) = 81.

(7) 2x-4 = 18.

Hope this answer helps you!

Answer 2

Answer:

*FUN-FILLED-FRIDAY MATH ACTIVITY –USING SIEVE OF ERATOSTHENES

LIST ALL THE PRIME NUMBERS AND COMPOSITE NUMBERS FROM 101 TO 200

SHADE THE PRIME NUMBER – PINK COLOUR*FUN-FILLED-FRIDAY MATH ACTIVITY –USING SIEVE OF ERATOSTHENES

LIST ALL THE PRIME NUMBERS AND COMPOSITE NUMBERS FROM 101 TO 200

SHADE THE PRIME NUMBER – PINK COLOUR

SHADE THE COMPOSITE NUMBER – GREEN COLOUR

SHADE THE COMPOSITE NUMBER – GREEN COLOUR