Answer:
-4
Step-by-step explanation:
-4t+15=-1
Subtract 15 on both sides:
-4t=-16
Divide -4 on both sides:
t=-4
let's firstly convert the mixed fractions to improper fractions.
now, 1¼ dozen of cupcakes.... well, let's keep in mind that a dozen has 12 units, so 1¼ dozen is then 12(1¼) cupcakes total.
Answer:
-4-i2
The absolute value is the Square root of the real and Imaginary Parts of the Complex No
= √(-4)²+(-2)²
=√16+4
=√20
=2√5
Answer:
84.474 feet
Step-by-step explanation:
The reason you can use simple multiplication is because of the units:
46.93 ft/sec x 1.8 sec would equal 84.474 ft ⋅ sec
However, the seconds cancel out, leaving you with just the distance traveled.
The reason the answer is 84 instead of 84.474 is because the number 1.8 only contains two significant figures.
Answer:
122.5 cm²
Step-by-step explanation:
the area of shaded region =
(14×10) - (7 × 2.5)
= 140 - 17.5
= 122.5 cm²