The equation tan−1 = x can be used to find the measure of angle LKJ. What is the measure of angle LKJ? Round to the nearest whol
2 answers:
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Answer:
y = - 4.4
Step-by-step explanation:
Given that t varies directly with x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = - 6.6 when x = 9.9 , that is
- 6.6 = 9.9k ( divide both sides by 9.9 )
k = = -
y = - k ← equation of variation
When x = 6.6, then
y = - × 6.6 = - 2 × 2.2 = - 4.4
Answer:
5 7/8
Step-by-step explanation:
She needs the sum of all those days to equal 22 miles. The easiest thing to do is to convert those mixed fractions to improper, then use the LCD to get rid of all the fractions altogether.
Those improper fractions are:
with x being the number of miles she has to run on Friday, the unknown we are solving for.
The LCD of those denominators is 8, so we will multiply every single term by 8 to get rid of the fractions, leaving us with:
38 + 41 + 50 + 8x = 176 and
129 + 8x = 176 so
8x = 47 and
x = 47/8 which is
5 7/8 in mixed form