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3 years ago

Ugdhcuhevshdirnebdbbdnf

Mathematics

2 answers:

Evgen [1.6K]3 years ago

5 0

Answer:

D (2,0), (3,0)

Step-by-step explanation:

Sorry if it's wrong

zheka24 [161]3 years ago

4 0

Answer:

(2,0)(4,2)

Step-by-step explanation:

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1. Michael buys a chocolate bar which has 50% extra free. The chocolate bar usually weighs 200g. (a) How much extra chocolate do

KiRa [710]

Answer:

1/2 more chocalte or 50% more or 100g more

300g is the new weight

Step-by-step explanation:

200/2=100(50%)

100+200=300g

5 0

2 years ago

Simplify 4z2 + z2 + 6a.

podryga [215]

5z^2 + 6a is the simplified expression

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2 years ago

What other customary units of capacity have the same relationship as pints and quarts

Stella [2.4K]

Gallons, Fluid Oz, Cups

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2 years ago

Read 2 more answers

Assume you have such a watch. if a minimum of 18.0% of the original tritium is needed to read the dial in dark places, for how m

laila [671]

Given that the half life of 3H is 12.3 years.

The amount of substance left of a radioactive substance with half life of $t_{ \frac{1}{2} }$ after t years is given by

$N(t)=N_0\left(\frac{1}{2} \right)^{ \frac{t}{t_{\frac{1}{2}} }$

Therefore, the number of years it will take for 18% of the original tritinum to remain is given by

$18 \% = 100 \% \left(\frac{1}{2} \right)^{ \frac{t}{12.3}} \\ \\ \Rightarrow\left(\frac{1}{2} \right)^{ \frac{t}{12.3}} =0.18 \\ \\ \Rightarrow\frac{t}{12.3}\ln\left(\frac{1}{2} \right)=\ln0.18 \\ \\ \Rightarrow\frac{t}{12.3}= \frac{\ln0.18}{\ln\left(\frac{1}{2} \right)} = \frac{-1.715}{-0.6931} =2.474\\ \\ \Rightarrow t=2.474(12.3)=30.4$

Therefore, the number of <span>years that the time could be read at night is 30.4 years.</span>

5 0

3 years ago

How do you reduce 11/10

andrew-mc [135]

Answer:

The answer is 1 1/10

Step-by-step explanation:

To convert an improper fraction to a mixed fraction, follow these steps:

1. Divide the numerator by the denominator.

2. Write down the whole number answer.

3. Then write down any remainder above the denominator.

4 0

2 years ago