Answer:
Weight of silver coin = 29.25 units , weight of gold coin = 35.75 units
Explanation:
Let the weight of 1 gold coin be 
Weight of 1 silver coin be 
Total no of gold coins = 9
Total no of silver coins = 11
Total weight of gold coins = 9
Total weight of silver coins = 11
It is given that both weigh same thus we have

After replacing coins the weights become as under

Now it is given that gold stack weighs 13 unit less thus adding 13 units to gold stack gives it's weight equal to silver stack
the above relation modifies as


Answer:
Isaac Newton is considered one of the most important scientists in history. Even Albert Einstein said that Isaac Newton was the smartest person that ever lived. During his lifetime Newton developed the theory of gravity, the laws of motion (which became the basis for physics), a new type of mathematics called calculus, and made breakthroughs in the area of optics such as the reflecting telescope.
In 'The Birthmark, Hawthorne develops the theme that the quest for perfection is destined to fail.
The details from the story that contribute to the development of this theme are:
- <u>A. "Do not repent that with so high and pure a feeling, you have rejected the best the earth could offer. Aylmer, dearest Aylmer, I am dying!"
</u>
- <u>B. "Perhaps its removal may cause cureless deformity, or it may be the stain goes as deep as life itself.''</u>
According to the complete question, we can see that there is a quest for perfection by some characters in the book who want to be the best and not to make mistakes or wrong decisions.
As a result of this, Hawthorne shows that people like this are always destined to fail because there are no perfect people. This is evident as the speaker says that she rejected the best the world has to offer and it has caused a "cureless deformity".
Therefore,the correct answers are options A and B
Read more here:
brainly.com/question/7154744
A nutritionist is most likely, without the shadow of a doubt, going to recommend a magazine on: D. Clean eating. Hope that helps.