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2 years ago

Which of these relations is a function

Mathematics

1 answer:

aniked [119]2 years ago

6 0

Answer:

the first one on the bottom

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For questions 8 – 10, answer the questions about tangent-tangent angles.

olchik [2.2K]

Answer:

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 = $\frac{1}{2}(\text{Difference of intercepted arcs})$

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

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

= 40°

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

m(arc ZWY) = 305°

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

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

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

= $\frac{148}{2}$

= 74°

4 0

3 years ago

De cuantas formas distintas se puede formar una fila de 10 personas?

Rashid [163]

Answer:

Do you mean by standing together?

Step-by-step explanation:

6 0

3 years ago

The hypotenuse of a 90-45-45 triangle is 20√2. What is the short leg and the long leg>

stepan [7]

Answer:

Both legs would be 20

Step-by-step explanation:
In the image below, it shows the relationship between the legs and the hypotenuse in every 45 45 90 triangle. If we know that the hypotenuse is 20, then the 2 legs are both 20.

I am slightly confused with the problem since they asked for the "short" leg and the "long" leg. Both legs should be the same length because a 45 45 90 triangle is isosceles, with the two legs being the same length.

6 0

2 years ago

What are the LCM of 5 and 7

victus00 [196]

7 ×5 = 35 and 5 × 7 = 35
ans is 35

6 0

3 years ago

(PLEASE HELP) A local newspaper charges g dollars for a four-line classified ad. Each additional line costs d dollars. Write an

otez555 [7]

Answer:

g + 3d

Step-by-step explanation:

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4 0

2 years ago