Answer:
2x+30
Step-by-step explanation:
The formula for perimeter is
P = 2(l+w)
= 2(2/3 x+10 + 1/3 x+5)
= 2(2/3 x + 1/3 x+10+5)
= 2 (x+15)
Distribute
2x+30
Mixing the two ingredients would be adding them together:
1/2 gram + 3/4 gram = 1 1/4 total grams
Divide the total grams by 1/8 to find the number of experiments they can do:
1 1/4 / 1/8 = 5/4 / 1/8 = 5/4 * 8/1 = 40/4 = 10
They can conduct 10 experiments.
Answer:
Step-by-step explanation:
To evaluate 
from the following expression:
Taking 
∴
The answer to the problem is 17
Answer:
The 1st answer, <em>The blue whale has about 200 times more mass. </em>might be correct.
Step-by-step explanation:
9 x 10 ^2= 900 kilograms
1.8 × 10 ^5= 180000 kilograms
180000 kilograms / 900 kilograms= 200 times
