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Serga [27]
2 years ago
12

1plss help, its time

Mathematics
2 answers:
DanielleElmas [232]2 years ago
8 0

Answer:

60 degrees

Step-by-step explanation:

Similar shapes have the same angles but different side lengths.

bagirrra123 [75]2 years ago
7 0

Answer:

The answer is 60°

Step-by-step explanation:

Because pentagon JKLMN is basically the same as pentagon VWXYZ and if you see in the smaller pentagon the angle for L is 90° and same goes for the bigger pentagon

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-12 x -12 = 144 I’m pretty sure if not then it is something different
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Right inequalities to represent the situations below to get the 10% discount a shopper must spend at least $300 USD to represent
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D≥300

Step-by-step explanation:

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What common denominator would you use to find equivalent, fractions to compare 4/8, 3/4, and 1/2?
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Answer:

LCD = 8

Step-by-step explanation:

4/8=4/8

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Jane paid $35 for her meal. If the cost of the meal was $30 , what was the tax rate.
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3 years ago
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A sample of radium has a weight of 1.5 mg and a half-life of approximately 6 years.
pogonyaev

Answer:

0.75 mg

Step-by-step explanation:

From the question given above the following data were obtained:

Original amount (N₀) = 1.5 mg

Half-life (t₁/₂) = 6 years

Time (t) = 6 years

Amount remaining (N) =.?

Next, we shall determine the number of half-lives that has elapse. This can be obtained as follow:

Half-life (t₁/₂) = 6 years

Time (t) = 6 years

Number of half-lives (n) =?

n = t / t₁/₂

n = 6/6

n = 1

Finally, we shall determine the amount of the sample remaining after 6 years (i.e 1 half-life) as follow:

Original amount (N₀) = 1.5 mg

Half-life (t₁/₂) = 6 years

Number of half-lives (n) = 1

Amount remaining (N) =.?

N = 1/2ⁿ × N₀

N = 1/2¹ × 1.5

N = 1/2 × 1.5

N = 0.5 × 1.5

N = 0.75 mg

Thus, 0.75 mg of the sample is remaining.

5 0
2 years ago
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