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lapo4ka [179]
3 years ago
10

Mary has nickels and dimes in her purse. She has a total of 30 coins worth $2.40. How many nickels does Mary have?​

Mathematics
1 answer:
V125BC [204]3 years ago
5 0

Answer:

72 nickels idk why she has so many

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Find the value of x.
koban [17]

Answer:

x = 110°

Step-by-step explanation:

The Outside Angle Theorem states that the measure of the angle formed by two secants or a secant and tangent from a point outside of a circle is half the difference between the two arcs.

This means that ½ (210 – x) = 50.

½ ( 210 – x ) × 2 = 50 × 2

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210 – x + x = 100 + x.

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This value must be true because:

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