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galben [10]
3 years ago
11

18 is greater than or equal to negative 2X.

Mathematics
1 answer:
garri49 [273]3 years ago
8 0

I assume you mean 18>=-2x?

1) 18>=-2x

2) -9>=x

3) -9<=x (keep note you have to do this when dividing or multiplying by a negative)

So the answer is -9 is less than or equal to x

Hope this helped!

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For questions 8 – 10, answer the questions about tangent-tangent angles.
olchik [2.2K]

Answer:

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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)

                                                   = \frac{1}{2}(80)

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9). Following the same rule as above,

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

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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Therefore, measure of arc ZWY = 305° will be the answer.

10). m(arc BAC) = \frac{1}{2}([m(\text{arc BDC})-m(\text{arc BC})])

                          = \frac{1}{2}(254-106)

                          = \frac{148}{2}

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2 years ago
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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given data

We are told that

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We want to find the mass of 1 onion

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x= 0.75/5

x= 0.15kg

Hence 1 onion will weigh 0.15kg

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Answer:

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X= -3
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