Answer:
- 230°
Step-by-step explanation:
A coterminal angle is the given angle ± 360n ( where n is an integer )
Given 130°
Then a coterminal angle = 130° - 360° = - 230°
OR 130° + 360° = 490°
Because you divide by 109
Answer:I dont know if this is a yes or no question but if it is the answer would be yes because they could spend half of the 87 hours washing cars and make $478.50 and spend the other half of the time on icecream making $217.50
Step-by-step explanation:
12:15 = 8:X
X=cardboard box shadow
you find x by treating this equation like a proportion.
so 15(8)÷12=x
X=10
Tracy and Dave together complete the task in hours
Given Tracy alone take 8 hours to complete work and dave alone take 12 hours to complete the work.
Let's say together they worked in x hours
⇒in 1 hour they worked th part of the work
Tracy herself worked 8 hours to complete the whole task
⇒ in 1 hour Tracy completes th part of the task
Dave himself worked 8 hours to complete the whole task
⇒ in 1 hour Dave completes th part of the task
By proportions
⇒+= { using operation addition}
⇒ x=
Therefore,Tracy and Dave together complete the task in hours
Learn more about hour here:
brainly.com/question/13533620
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