Answer:

Step-by-step explanation:
Pic below...
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Answer:
k = 7
Step-by-step explanation:
given y varies jointly with x and w then the equation relating them is
y = kxw ← k is the constant of variation
to find k use the condition when y = - 42, x = 2 and w = - 3 , then
- 42 = k × 2 × - 3
- 42 = - 6k ( divide both sides by - 6 )
7 = k
constant of variation is k = 7
Try doing opposite fence on the = signs opposite fence example +=-
Answer:
C is the answer
Step-by-step explanation:
Answer:
Isosceles
Step-by-step explanation:
The one lined mark on the two angles mean that they are the same since they have the same mark.