# All Questions

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### “What is the probability both houses will be completed after 7 weeks?” meaning

When the question asks if the houses will be completed "after 7 weeks", someone says; it isn't asking if it will take greater than 7 weeks to complete the houses. "After 7 weeks" means "as soon as ...
45 views

### Confusion between “where” and “with”

When I am reading some articles related to engineering or mathematics, I see many times the usage of "where" and "with" interchangeably. For example, f is the utility function mapping from S to R, ...
44 views

### My really old wonder: “defined by” v.s. “defined as”

I understand the following sentence: The rule was defined as ~~~~ by John. It can be shortened by omitting "as ~~~~" or "by John", like The rule was defined as ~~~~. The rule was defined ...
408 views

### until July 28th - meaning

That's all the homework UNTIL July 28th When we say until July 28th , do we count day 28 as well? or does it say all assignments were marked before day 28? While we are it , do we say day 28th or ...
114 views

### polynomial time in?

Related to exponential in terms of? (nonetheless different from it): Assume that you have an algorithm (producing gizmos) whose inputs are three numbers t, d, and h, which are interpreted by a human ...
702 views

### “1 + 1 should equal 2” or “1 + 1 should equal to 2”; which one is correct?

Which of the following is correct? 1 + 1 should equal 2. 1 + 1 should equal to 2. "equal" or "equal to"?
76 views

### Using on or in for geometric points, planes, and coordinate systems

When to use "on" and "in" prepositions in math: Point on/in the plane Point on/in the cartesian coordinate system
151 views

### Applications to …?

I want to express in that something has applications in a related field. Is applications to partial differential equations correct or is is necessary to change the preposition?
184 views

### Omitting a preposition to avoid repetition

What is correct/better? We consider questions related to analysis of real numbers and to probability theory. We consider questions related to analysis of real numbers and probability theory. ...
1k views

### raise by? from?

If the original premium is 100 USD, and the insurance company announced that it would be raised to minimum 105, and maximum 110, which one is correct? The premium will rise by 5 to 10 percent. The ...
95 views

### Defining a ball in mathematics

Which are appropriate phrases to define a ball? Let \$B\$ be the open ball of radius \$r\$ centered at \$x\$. Let \$B\$ be the open ball of radius \$r\$ around \$x\$. Let \$B\$ be the open ball of radius \$r\$ about ...