B. Their slopes are opposites.
C. Their slopes are equal.
D. Their slopes are negative reciprocals.
Answer:
C. Their slopes are equal.
Step-by-step explanation:
Given : If two lines are parallel.
To find : which statement must be true.
Solution : We have given that If two lines are parallel.
We know that two parallel line have same slope
By rise over run :
Therefore, C. Their slopes are equal.
The speed of the person walking 7.5 miles in 3 hours will be 2.5 miles per hour.
Speed is defined as the fraction of the distance travelled by the object and the time taken by the object.
To calculate the speed at which he is walking, we can use the formula:
Speed = Distance ÷ Time.
Let's break down the steps:
Given information:
Apply the formula:
Speed = Distance ÷ Time.
Speed = 7.5 miles ÷ 3 hours.
Calculate the speed:
Speed = 2.5 miles per hour.
Therefore, his speed is 2.5 miles per hour.
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Answer:
Step-by-step explanation:
Rule:
This problem:
3x = y + 7
What is the solution set?
{(-41/2, -9/2)}
{(-9/2, -41/2)}
Ø
Answer:
{(-9/2, -41/2)}
Step-by-step explanation:
h = 6 and r = 3