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Questions and answers by visitors named
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Questions (27)
in which chemical reaction is the number of atoms in the reactants the same as the number of atoms in the products?
a.
39
answers
19,885 views
1. How many 2-digit numbers can be formed using only the digits 2, 3, 5, and 6, if the digits are not to be repeated within a
2
answers
356 views
What is the likability of a earthquake and volcanic eruption happening in Minnesota
1
answer
378 views
ABC is a triangle with AC=139 and BC=178. Points D and E are the midpoints of BC and ACrespectively. Given that AD and BE are
2
answers
450 views
A bag contains 4 balls, each of which have a positive integer written on it. Let X be the random variable of the value written
336 views
0
answers
A circle of radius 1 is drawn in the plane. Four non-overlapping circles each of radius 1, are drawn (externally) tangential to
1
answer
493 views
An airplane of a certain density and shape flies at a constant speed. To do so, it must fly with a certain velocity v0. If the
404 views
0
answers
Consider a horizontal road with such a set of traffic lights, each spaced 100 m apart. A car sits at the first traffic light. At
1
answer
648 views
Many of you may have noticed the phenomenon that basketballs get flat if the weather is cold. If a basketball was inflated to a
5
answers
394 views
Two point charges +q=1 μC and −q=−1 μC with mass m=1 g are fixed at the positions ±r⃗ 0 with |r0|=1 m. The charges are
6
answers
516 views
Three identical conducting spheres are located at the vertices of an equilateral triangle ABC. Initially the charge the charge
1
answer
1,243 views
If two six-sided dice are rolled, the probability that they both show the same number can be expressed as a b where a and b are
2
answers
942 views
Let ƒÆ=sin −1 7/25 . Consider the sequence of values defined by a n =sin(nƒÆ) . They satisfy the recurrence relation
a n+2
330 views
0
answers
Let ƒÆ=sin −1 7 25 . Consider the sequence of values defined by a n =sin(nƒÆ) . They satisfy the recurrence relation
a n+2
385 views
0
answers
ABC is a triangle with circumcenter O, obtuse angle BAC and AB<AC. M and N are the midpoints of BC and AO respectively. Let D be
455 views
0
answers
Convex quadrilateral ABCD has sides AB=BC=21, CD=15 and AD=9. Given additionally that ∠ABC=60∘, what is the length of BD?
2
answers
971 views
A school is running a raffle for two prizes. 59 tickets were sold for the raffle, numbered 1,…,59. All the tickets are put
1
answer
433 views
A group of 5 people are going to meet weekly at the library for 4 weeks. Each week, two people are selected at random to speak.
895 views
0
answers
The fundamental frequency of the G string of a guitar is f=196Hz. The fundamental vibrational mode of the string is described by
456 views
0
answers
A group of 5 people are going to meet weekly at the library for 4 weeks. Each week, two people are selected at random to speak.
1
answer
378 views
Find the number of different ordered quadruples (a,b,c,d) of complex numbers such that
a^2=1 b^3=1 c^4=1 d^6=1 a+b+c+d=0
2
answers
327 views
Find the largest possible value of x^3+y^3+z^3 for realx, y, z, such that
xyz^2=−64y−128x x^2yz=−32y−32z
2
answers
405 views
ABC is an acute triangle with ∠BCA=35∘. Denote the circumcenter of ABC as O and the orthocenter of ABC as H. If AO=AH, what
2
answers
662 views
When writing a math expression, any time there is an open bracket "(", it is eventually followed by a closed bracket ")". When
1
answer
538 views
Every point (x,y) on the curve y=log(3x)/log2 is transferred to a new point by the following translation
3
answers
402 views
At time t=0 s, the radius of a circle is equal to 15 cm. The radius of the circle increases at a rate of 0.5 cm/s. The rate of
1
answer
460 views
25 independent, fair coins are tossed in a row. What is the expected number of consecutive HH pairs?
Details and assumptions If 6
2
answers
427 views
Answers (26)
It’s 3,4 one trust me the other 2 are wrong
thank you
Im pretty sure you have the introduction the have the two compare and contrast paragraphs then the conclusion
i have read every comment on this page and now i wanna scream and rip my cats heart out
I think there similarity would be they both want to help Milo in anyways that they can. But they both differ in character as well as beliefs in life. Tock is responsible, brave and loyal. He wants Milo to learn that time should not be wasted but rather it
^ BETTTTTTTTTTT
Correct.
wow thanks a lot I go to connections two and it is ok ig
150
3 is the answer Ohh brilliant cheateres rockzzz Calvin shokzzz Plz tell other answers to public
wrong 326
P1/t1=p2/t2
He is correct only 1 integer satisfy he mean
I got it till now maximize a+b, if Re (b)=-Im(a), Re (a)-21
thanks
Strange r meets stranger
how
Suppose N = xyzyx, where x is nonzero but y and z could be any digit. Then there are 9(10^2) = 900 possible palindromes to consider. Recall that a number is divisible by 4 iff its last two digits are divisible by 4. Thus, if N is divisible by 4, then "yx"
B-1/2 Let no. of books be x No. of history books equal x into 1/3 I.e.x/3 No. Of English books equal x into 1/3 I.e. x/6 Rest books = no. Of science books =total books -(history books+English books) =×-(×/3 +×/6) =x-(3x/6) =x-x/2 =x/2 books are of
2 & 3 are both factors of 6. Meaning whenever 6 goes in a set, it can be replaced by two 3's or three 2's. 6 * 4 6 * 3; 3 * 2 6 * 3; 2 * 3 6 * 2; 3 * 4 6 * 2; 2 * 6 6 * 2; 3 * 2; 2 * 3 6 * 1; 3 * 6 6 * 1; 2 * 9 6 * 1; 3 * 4; 2 * 3 6 * 1; 3 * 2; 2 * 6 6 *
According to Freud, defense mechanisms are protective methods, by the ego, that reduce anxiety by unconsciously distorting reality. Definitions & Examples: Repression - banishing anxiety-arousing thoughts, feelings, and memories from consciousness. e.g.
Oops, sorry about that, the correct answer is 7 (4 * 6) + (5 * -2) + (-1 * 7) 24 + (-10) + (-7) 14 + (-7) 7 7.
The Dot Product is a scalar (number) (4 * 5) + (5 * -2) + (-1 * 7) 20 + -10 + -7 10 + -7 3 3.
Let x = side of square to cut off from each corner 20 - 2x = width of bottom rectangle 28 - 2x = length of bottom rectangle V = x(20 - 2x)(28 - 2x) = 4x(10 - x)(14 -x) = V = 4x(140 - 24x + x²) V = 4(140x - 24x² + x³) Differentiating and equating to zero
There are 16 oz in 1 lb. So, 1 lb 4 oz = (1 * 16) + 4 = 20 oz -- Each day, Robert feeds his dog 20 oz If the bag is 40 lbs, and 1 lb = 16 oz -- The bag is 640 oz 640 oz of food, divided by 20 oz servings -- It will last 32 days.
Healthy behaviors and choices are decisions made when one is conscience of their overall health status, and thus will lead to minimized negative consequences. Overtime, this will positively affect an individual's health status. Conversely, behaviors that