Answer:
For answer a,
the equation is -1 - 5
this equals -6
From -1 to -6 is 5
A.) The difference is 5
For answer b,
the equation is -7 - (-3)
There are two minus signs by the -3 so that means to turn those two signs into a plus sign
- 7 + 3
Start at -7 and move to the right 3
You will end up at -4
B.) The difference is 3
Answer: 8:15 P.M.
Step-by-step explanation: 3:35 plus a total of 4 hours and 40 minutes
3:35 --- 7:35 ( +4 hours )
7:35 --- 8:15 ( +40 minutes )
310 miles ÷ 5 hours = 62 miles per hour
403 miles ÷ 62 = 6.5 hours
A tangent line is perpendicular to the radius to the point of tangency. Hence QR ⊥ PR. The Pythagorean theorem tells you
(QR)² + (PR)² = (PQ)²
(55 cm)² + (PR)² = (73 cm)²
(PR)² = 2304 cm²
(PR) = √(2304 cm²) = 48 cm
The length of PR is
b. 48 cm
