7 teachers because 3 x 9 = 27 and 96 - 27 = 69, 69 divided by 9 is 7 remainder something
X=56+4y
6x-6y=678
x-y=113
x=113+y
113+y= 56+4y
57=3y
y=19
x=132
Answer:
The Associative Property of Addition
Step-by-step explanation:
illustrated by the statement (3+2.8) + 5= 3+(2.8 +5). So D
The last one is the correct answer.
Answer:
3 , 4 , 5 can formed right triangle
Step-by-step explanation:
In any triangle if the sum of the squares of the smallest two sides equals the square of the third side, then the triangle is right triangle
∵ 16² + 32² = 1280
∵ 36² = 1296 ≠ 1280 ⇒ Not right Δ
∵ 3² + 4² = 25
∵ 5² = 25 ⇒ right Δ
∵ 8² + 12² = 208
∵ 16² = 256 ≠ 208 ⇒ Not right Δ
∵ 9² + 10² = 181
∵ 11² = 121 ≠ 181 ⇒ Not right Δ
