Step-by-step explanation: To find the x-intercept, we plug a 0 in for y.
So we have 7x + 3(0) = 21 or 7x = 21 which means that x = 3.
So we can write this as (3,0).
Answer from: Quest
b. 1.25 hr
step-by-step explanation:
if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio
1 mi. to
then mult. both sides by 75 we get the ratio
75 mi. to
simplifying we get
75 mi. to
or 1.25 hr.
Answer from: Quest
600,000,000,000, or 6e14
step-by-step explanation:
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