Guys this is legit due tonight please answer!!!!

Mathematics

1 answer:

givi [52]2 years ago

8 0

Answer: do this

1/3+-x/4=7/12

Step-by-step explanation:

4.1/3/4+-x/4=7/12

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What is the y-intercept of the line shown below? A. 5 B. -5 C. 2 D. -2

lys-0071 [83]

Answer: -2

Step-by-step explanation: The y-intercept of a line is the point where the graph crosses or intersects the y-axis.

In this case, the line crosses the y-axis 2 units down from the

origin and we can write the coordinates of the point as (0, -2).

So the answer is -2.

3 0

2 years ago

Read 2 more answers

Dinosaur fossils are often dated by using an element other than carbon, like potassium-40, that has a longer half life (in this

Firlakuza [10]

The amount of substance left of a radioactive element of half life, $t_{\frac{1}{2}}$ after a time, t, is given by:

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

Given that potassium-40 has a half life of approximately 1.25 billion years.

The number of years it will take for 0.1% of potassium-40 to remain is obtained as follows:

$0.1=100\left( \frac{1}{2} \right)^ \frac{t}{1.25}} \\ \\ \Rightarrow\left( \frac{1}{2} \right)^ \frac{t}{1.25}}=0.001 \\ \\ \Rightarrow\frac{t}{1.25}\ln\left( \frac{1}{2} \right)=\ln(0.001) \\ \\ \Rightarrow \frac{t}{1.25}= \frac{\ln(0.001)}{\ln\left( \frac{1}{2} \right)} =9.966 \\ \\ t=9.966(1.25)=12.5$

Therefore, the maximum age of a fossil that we could date using 40k is 12.5 billion years.

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3 years ago

Logan multiplied 54,216 by a number less than 1. He thinks the product will be greater than 54,216. Explain why he is incorrect.

kicyunya [14]

He is incorrect because anything mutipled by 0 is 0!

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3 years ago

Using the numbers 1 through 9 only one time what is the highest

Aleksandr-060686 [28]

If you are asking for the highest number possible to be created form 1 through 9 while using each number once then the highest number is 98

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3 years ago

Find the volume of the figure round your answer to the nearest tenth if necessary

egoroff_w [7]

Answer:

56.5

I think this is right

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3 years ago