Answer:
option A. 21 sec
Step-by-step explanation:
Speed = the distance over the time
Given:
Speed = 2 m/s and distance = 42 m and time = t
So,
2 = 42/t
Solve for t
t = 42/2 = 21 sec.
The answer is option A. 21 sec
Answer:
Lenght: 21 inches.
Width: 14 inches.
Step-by-step explanation:
1. You know that the width (W) of a rectangle is 7 inches less than the length (L), then:
2. The perimeter is 70 inches.
3. The formula for calculate the perimeter of a rectangle is:
3. Substitute and the value of the perimeter into the equation to calculate the perimeter and solve for the length:
4. Then the width is:
You move to the right, so the exponent is gonna be negative.
1.21 * 10-²
Answer: Good question, ill answer in the comments
Step-by-step explanation:
Answer:
what triangle is called with 2 pairs of parallel sides and 4 right angles
Step-by-step explanation: