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irga5000 [103]
3 years ago
9

PLEASE ANSWER VERY IMPORTANT

Mathematics
1 answer:
romanna [79]3 years ago
3 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

1. If m∠5 = 115 degrees, find m∠1 = 115°

they form corresponding Angle pair.

2. If m∠7 = 30 degrees, find m∠2 = 30°

they form Alternate Exterior angle pair.

3. If m∠6 = 50 degrees, find m∠4 = 50°

they form Alternate interior Angle pair

4. If m∠4 = 72 degrees, find m∠1 = 180° - 72°

so, m∠1 = 108°

because, they form linear pair.

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The joint variation of W with x, y and z may be expressed as follow,                                    W = kxy / z²where k is the constant of variation. Substituting the first set of values for the variables,                                   280 = k(30)(12) / 3²The value of k from the equation is 7. Substituting to the same equation the values of the next set of variables,                                      w = (7)(20)(10) / 2² = 350

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