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irakobra [83]
3 years ago
15

A sample of a radioactive isotope had an initial mass of 700 mg in the year 1991 and decays exponentially over time. A measureme

nt in the year 1996 found that the sample's mass had decayed to 210 mg. What would be the expected mass of the sample in the year 2003, to the nearest whole number?
Mathematics
1 answer:
zvonat [6]3 years ago
6 0

Answer: 678

Step-by-step explanation:

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Answer:

Part A: (0.75 + .25 + .60) - .20 = 1.40

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First parentheses ¯\(°_o)/¯

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2 years ago
Can someone please help me ;-; this is due today
IRISSAK [1]

Answer:

The correct answer: F (Scalene) and A (Acute)

Step-by-step explanation:

F. (Scalene):  By definition, a scalene triangle is a triangle that has no equal sides, and no equal angles. This definition matches your given triangle, since it has no equal sides and angles.

A. (Acute): By definition, an acute triangle is a triangle in which all the internal angles are less than 90 degrees. This definition matches your given triangle, since all of the internal angles are less than 90 degrees.

The given triangle is not obtuse, equilateral, right, and isoceles.

It is <u>not</u> an <em>obtuse </em>triangle because none of the angles are greater than 90 degrees.

It is <u>not</u> an <em>equilateral</em> triangle because its sides are not equal.

It is <u>not</u> a <em>right</em> triangle because none of its internal angles measure 90 degrees.

And it is <u>not</u> an <em>isoceles</em> triangle because by definition, an isoceles triangle must have two equal sides. Your given triangle has no equal sides.

6 0
2 years ago
A rectangle has a base of 2 yd and a height of 5ft.<br> find the area of the rectangle
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Step-by-step explanation:

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