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Gwar [14]
3 years ago
5

Could someone help me.

Mathematics
1 answer:
Rasek [7]3 years ago
3 0

Answer:

Step-by-step explanation:

The central angle of the two arcs (marked as 40 degrees each) means that <HPN = 80. The central angle = the arc measurement.

Now here's the tricky part.  Any point on the circumference of a circle that has the same measurement using NH as a chord = 1/2 the central angle.

So <HRN = 1/2 the central angle

Since the central angle = 80, then 1/2 of it = 40

<HRP = 40 degrees because PR is a part of RN

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weqwewe [10]

Answer:

3.14

Step-by-step explanation:

A=π*r^2

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3.14*4

12.56/4 (because it's 1/4th a circle)

3.14.

3 0
3 years ago
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I need help solving these problems please.
ddd [48]

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Write a letter to a friend in another town invite him or her to spend Christmas holidays with you​
Black_prince [1.1K]

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The equation c= 0.25n can be used to find the cost (c) of buying n number of apples.
aksik [14]

Answer:

(a) The constant of proportionality is 0.25

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Step-by-step explanation:

Given

c= 0.25n

Solving (a): The constant of proportionality;

For an equation:

c=kn

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k = constant of proportionality

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Hence, the constant of proportionality is 0.25

Solving (b): What information does k = 0.25 gives.

It represents the unit rate.

<em>So, it means that 1 apple costs $0.25</em>

<em></em>

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This means that c = 3

Substitute 3 for c in c= 0.25n

3 = 0.25n

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n = \frac{3}{0.25}

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