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My name is Ann [436]
3 years ago
15

Write an algebraic expression for 43 more than t

Mathematics
2 answers:
Alinara [238K]3 years ago
6 0

Answer:  An algebraic expression is 't+23'.

Step-by-step explanation:

Since we have given that

43 more than t.

Here 't' is a variable and a term.

we use addition for 'more than'.

As addition means increment and more than means the same.

So,  23 is more than t.

Mathematically, it is expressed as

t+23

Hence, an algebraic expression is 't+23'.

Aleonysh [2.5K]3 years ago
5 0
43+t or t+43 more than gives you the clue to add
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Answer:

Trapezoid.

Step-by-step explanation:

That is a trapezoid ( in the UK a trapezium).

There is a pair of parallel sides.

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If the radioactive half-life of a substance is 20 days, and there are 5 grams of it initially. When will the amount left be 2 gr
Kobotan [32]

Answer: 26.4\ \text{days}

Step-by-step explanation:

Given

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\Rightarrow A=A_o2^{\dfrac{-t}{T_{\frac{1}{2}}}}\\\\\Rightarrow 2=52^{\dfrac{-t}{20}}\\\\\Rightarrow 0.4=2^{\dfrac{-t}{20}}\\\\\Rightarrow 2^{\dfrac{t}{20}}=2.5\\\\\Rightarrow \dfrac{t}{20}\ln 2=\ln (2.5)\\\\\Rightarrow t=\dfrac{20\ln (2.5)}{\ln 2}\\\\\Rightarrow t=26.4\ \text{days}

It takes 26.4 days to reach 2 gm.

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3 years ago
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4 0
2 years ago
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Arranging

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X = 9 is the correct answer
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