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In which quadrant would an ordered pair that has a negative x-coordinate and a positive y-coordinate be plotted?
The quadrants formed by the x and y axes are numbered anticlockwise from the quadrant in which both coordinates are positive (which is quadrant I). Thus negative x and positive y is in the quadrant II.
How many different positive integers can be formed if the first digit must be 2 the last digit cannot be 0 and digits may be repeated?
1 x 10 x 10 x 10 x 9 = 9000 1 = it must be 2 10's = any digits 9 = any digit BUT zero
What is the sum of all 3 digit positive integers that can be formed using the digits 1 5 and 8 if the digits are allowed to repeat within a number?
111+115+118+151+155+158+181+185+188+511+515+518+551+555 +558+581+585+588+811+815+818+851+855+858+881+885+888 = 13,986.
How can you determine if two lines are perpendicular?
If the angle formed between the intersecting lines are 90o then the two lines are perpendicular. In 2D coordinate geometry, a perpendicular line has a slope equal to the negative reciprocal of the original line.
How many positive three digit integers can be formed such that the hundreds digit is equal to the sum of the tens digit and ones digit?
start with the 100's place 0 = 0+0 1 = 1+0 = 0+1 2 = 1+1=2+0=0+2 3 = 3+0 = 2+1 = 1+2 = 0+3 ... with the 100's digit, the number of such numbers is one greater than that number 0 : 1 1 : 2 ... therefore there are 1+2+3+4+5+6+7+8+9+10 = 5*11 = 55 such numbers unless you don't count 000 as a three digit number, then there are 54 such numbers.
Can you give A positive blood to A negative blood?
No. The Rh Negative blood group is formed by an absence of the Positive factor.
How are negative and positive ions made?
A negative ion (anion) is formed after gain of electrons in the atom.A positive ion (cation) is formed after loss of electrons from the atom.
How are integers and rationals numbers different?
All integers are rational numbers, not all rational numbers are integers. Rational numbers can be expressed as fractions, p/q, where q is not equal to zero. For integers the denominator is 1. 5 is an integer, 2/3 is a fraction, both are rational.
What is formed from a positive ion base and a negative ion from an acid?
A salt
What is product formed after electrolysis at the positive and negative electrodes respectively?
The answer depends on what the electrolyte is!
What is formed when positive and negative ions attract each other?
When positive and negative ions attract each other, an ionic bond is formed. Ionic bonding refers to the complete transfer of valence electron between atoms.
How do you find positive and negative charged ions?
Positive ions are formed when an atom loses electrons, resulting in a net positive charge. Negative ions are formed when an atom gains electrons, resulting in a net negative charge. In chemical reactions, ions can be identified based on their charge and presence of a positive or negative sign.
How many positive 3-digit integers can be formed that the 100s digit is equal to the sum of the 10s and 1s digit?
54
When Na positive and Cl negative unite to form sodium chloride the compound formed has what charge?
its either positive or neutral
What is a ionic compound formed from the negative ions of and acid and the positive ions of a base?
salt
What does positive and negative charges make?
They stem from the nucleus of an atom. The atom is composed of electrons, which emit a negative charge, protons which emit positive charges and neutrons which have a neutral charge. When an atom, had a plus positive or minus negative charged, it is called an ion. ion because it either has an extra electron giving it a negative charge, or its missing an electron, giving it a positive charge
What things attract static electricity?
Static electricity is when there is either an excess (negative) or lack of (positive) electrons. If electrons are transferred onto another surface, for example by rubbing them together, a positive charge is formed, but if electrons are gained, a negative charge is formed.
