Answer: 80 feet
Step-by-step explanation:
We can write these as fractions and do cross multiplication with the numerator being the height of the object while the denominator being the length of the shadow:
5 * 128 = 8x
640 = 8x
80 = x
Thus, the height of the lighthouse is 80 feet tall.
Answer:
x ≤ $12 a day
Step-by-step explanation:
5000-1400=3600
3600/300=12
Answer:
Choice A.
Step-by-step explanation:
Turn the mixed numbers into improper fractions:
Flip the second term and multiply:
Simplify:
Answer:
.006453
Step-by-step explanation:
6.453 x 10^-3
Move the decimal 3 places to the left since the exponent is negative
006.453
.006453
Answer:
z=12
Step-by-step explanation:
z+15=27
move constant
z=27-15
z=12