Answer:
18 glue sticks are left
Step-by-step explanation:
Full Question:
- Mrs. Eng bought 4 packs of glue sticks. Each pack has 5 glue sticks. Her class uses 2 of the glue sticks for a project. How many glue sticks are left?
Calculations:
Answer is C.
Since each side is 68/4 = 17 cm ( the hypotenuse of each right triangle), and half of the shorter diag is 8, then 17^2-8^2 = a^2
225=a^2
15 = a, which is half of the larger dish, so the larger diag is 30cm.
3+2 is 5.
1/7 +1/7 is 2/7.
Thus, the answer is 5 2/7.
Answer:
81 + 81 + 10 aka 172
Step-by-step explanation: