Answer:
1.Answer:
if she stops the timer 3 minutes before.
2.4 * (3 * (35/7) / 6) =
4 * ((3 * 5) / 6) =
4 * (15/6) =
60/6 =
10
3. A. 66 Yes
B. 124 No
C. 216 Yes
D. 303 No
4.Answer:
a. Prime
b. Prime
c. Composite
d. Prime
e. Composite
f. Composite
5.a. 100 , it's a perfect square. Square root = 10
b. 127, it's not a perfect square.
c. 81, it's a perfect square. Square root = 9
d. 144, it's a perfect square. Square root = 12
6.a) 484 square feet of ground will be needed to cover with gravel.
b) 14 feet is the length of one of the walls in his room.
7.a) q + 35 = 78 (subtract 35 from 78)
q = 43
b) 200 + x = 450 (subtract 200 from 450)
x = 250
c) k - 68 = 72 (add 68)
k = 140
d) 437 - m = 25 (you can do this in one step, but add m to other side or divide everything by -1 to get m pos)
m + 25 = 437 (subtract 25)
m = 412
Continued;
m= 245
144 square feet ÷ 12 tiles per row = 12 rows of tiles.
r=12
Step-by-step explanation:
