Answer: -23/20 or -1.15 or -1 3/20
Step-by-step explanation:
Answer:
the correct answer is 3 times the difference of 62 and 42
Answer:
Yo elegiría la respuesta ya seleccionada
Step-by-step explanation:
<u>Missing from the question</u>
Aletheia's speed is 0.6 miles per hour slower than Elvira's speed.
Answer:
Step-by-step explanation:
Given
-- distance
--- Elvira time
--- Aletheia time
--- the relationship between their speeds
Required
Their walking speed
Distance (d) is calculated as:
For Elvira, we have:
For Aletheia, we have:
So, we have:
--- total distance
This gives:
Recall that:
Make sE the subject
Substitute in
Collect like terms
Express all as decimal
Divide both sides by 1.2
Recall that:
So, we have:
Answer:
Step-by-step explanation:
An easy way to get exponents done if you're dealing with a multiple of 10, is to count the number of 0's present.
Since there are 3 0's in 1000, 10*10*10 = 1000 which just so happens to be the exponent needed