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mariarad [96]
3 years ago
14

On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposite direction. The numb

er b varies directly with the number a. For example b= 2 when a = - 3 -2. Which equation represents this direct variation between a and b? Ob= -a U b = a Ob-a=0 Ob(-a) = 0​
Mathematics
1 answer:
kicyunya [14]3 years ago
7 0

Answer: b = - a

Step-by-step explanation:

Given that b is located the same distance from 0 as another number a, but in opposite direction.

If b varies directly as a

Then,

b = - ka

Hence the opposite variation or relationship between a and b means they both carry opposite signs

Hence,

b = - a

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m(arc ZWY) = 305°

Step-by-step explanation:

8). Formula for the angle formed outside the circle by the intersection of two tangents or two secants is,

Angle formed by two tangents = \frac{1}{2}(\text{Difference of intercepted arcs})

                                                   = \frac{1}{2}(220-140)

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9). Following the same rule as above,

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125 = \frac{1}{2}[m(\text{major arc})-m(\text{minor arc})]

250 = [m(\text{arc ZWY})-m(\text{arc ZY})]

250 = m(arc ZWY) - 55

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4 0
2 years ago
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