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qaws [65]
3 years ago
8

There was a sample of 500 milligrams of a radioactive substance to start a study. Since then, the sample has decayed by 5.4% eac

h year
. Let t be the number of years since the start of the study. let y be the mass of the sample in milligrams write an exponential function showing relation between y and t
Mathematics
1 answer:
Ad libitum [116K]3 years ago
3 0

Answer:

somehting

Step-by-step explanation: numbers and other numbers

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Step-by-step explanation:

Radius (r) = 7 feet

circumference (c) = ?

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7 0
3 years ago
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A theater has 30 rows of seats. There are 22 seats in the first row, 26 in the second row, 30 in the third row, etc. How many pe
OLga [1]

Arithmetic Sequence

rows ---------32-n

first term ------------26-----------a

d---------------------------4

Sn = n/2( 2a+(n-1)d)

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What is something plus 1/2 that gives you 4/6​
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Which set of numbers could be the side lengths of a right triangle?
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3 0
3 years ago
The answer is 2(sign)21 I need help with the work
wariber [46]

Using Pythagoras:

4^2+x^2=10^2\Longrightarrow x^2=10^2-4^2=100-16\text{ = }84\Longrightarrow x\text{ = }\sqrt[]{84}x=\sqrt[]{84\text{ }}=\sqrt[]{2\cdot42}\text{ = }\sqrt[]{2\cdot2\cdot21}\text{ = }\sqrt[]{21\cdot2^2}\text{ =2}\cdot\sqrt[]{21}

Answer:

2\cdot\text{ }\sqrt[]{21}

4 0
1 year ago
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