Answers created by Ujjwal

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• A nuclide of sodium contains 11 protons and 12 neutrons. How many electrons are in a neutral atom of this sodium nuclide?(why)
  
• What is the length of a cube with the surface area of 3,750?
  
• How do you write 9/20 as a decimal?
  
• How do you evaluate the expression 9 + x + 4x for x=8?
  
• Use identity to simplify equation? `2sin13°cos13°`
  
• How do you find the median of an even number of numbers?
  
• Balance the equation ? C4H10 (g) + ? O2 (g) → ? CO2 (g) + ? H2O (g), using the smallest possible integers. What is the coefficient of CO2?
  
• How many suns does Saturn have?
  
• Which compound will form by the combination of oxygen and neon ? Also say the type of bond.
  
• How do you solve the inequality `-2/3x> -8`?
  
• 3(x-5)=6 Find X?
  
• How do you simplify `(2/5)^-3`?
  
• In which species does phosphorous have an oxidation number of zero? In which species does phosphorous have an oxidation number of zero? P4 (elemental phosphorous) HPO2 Li3PO3 H3PO4 PH3
  
• How do I prove this is an identity? 1/csc(theta)/csc(theta)-cot(theta)=1+cos(theta)/sin(theta)
  
• A wire of resistance 4ohm is bend in circle then its resistance?
  
• How do you solve `-4x+7=11`?
  
• How many pi bonds are there in c2h6?write it's structure
  
• How do you factor the expression `x^2-x-42`?
  
• What is the general form of the equation `5x^2-20x =15`?
  
• What are the intercepts of `11x-43y=9`?
  
• (sinx-cosx)²=1-2 sinx cosx prove?
  
• 2x+5y+3x+4y ?
  
• How do you solve by completing the square for `x^2+ 3/2x = 3`?
  
• How do you factor the expression `9x^2 - 16`?
  
• How do you solve the two step inequality `–3 > –3t + 6`?
  
• What is the balanced equation (in words and symbols) for the reaction between sodium bicarbonate and acetic acid?
  
• What is the slope and y-intercept of the line 8y - 2x = -4?
  
• How do you find slope of the line that contains (1,6) and (10, -9)?
  
• What is the hypotenuse of a triangle with legs of `5` and `9`?
  
• How do you solve `12(5 + 2y) = 4y - (6 - 9y)`?
  
• How do you factor `ab + 4 + a + 4b`?
  
• How do you simplify `sec^2x tan^2x + sec^2x`?
  
• What is the chemical equation for the reaction of Caron dioxide gas and liquid water are formed by the decomposition of aqueous carbonic acid (H2CO3)?
  
• How do you write 1,000,000,000 in scientific notation?
  
• How do you write `1.23 xx 10^(-4)` in standard form?
  
• How do you solve the following linear system: `2x+y=-3/2, 6x+3y=5`?
  
• How do you solve the system of equations by graphing given `5x-4y=-24`, `5x=4y-24`?
  
• Which one longest bone in the body?
  
• What is the slope of the line passing through the following points: `(-7, -4) ,(-3,2)`?
  
• How do you solve for `u` in the equation `-9 + u = 4u`?
  
• How do you factor `ax – bx – 4a + 4b`?
  
• What is the distance between `(1, 4)` and `(–3, –2)`?
  
• Re arrrange---? (a) actually/it/is/krishna jayanti/called
  
• What is the slope of the line perpendicular to `y=-1/4x-5`?
  
• How do solve the following linear system?: `4x=-11+y , y=-6x-9`?
  
• What % of 140 is 65?
  
• How do you find the x and y intercept given `y=4x+4`?
  
• What is `5/7 -: 8/14`?
  
• A parallelogram with a right angle is a triangle?
  
• How do you multiply `2sqrt24 * 8sqrt16`?
  
• What is the equation of the line with slope `m= -31/36` that passes through `(-5/6, 13/18)`?
  
• How do you solve using elimination of `5x+4y+2=0` and `4x-5y-23=0`?
  
• Y=9x-9? Y=9
  
• How do you evaluate `8,844\div 11`?
  
• Evaluate `lim _(x ->1) (x^4-1)/(x-1)` ?
  
• What is the general solution for sin(x)+ cos(x)=-1?
  
• How do you solve sin(x)+cos(x)=-1?
  
• What is `7^2 + 3(5.2-2.8)`?
  
• How do you simplify `(+4)-(+6)`?
  
• What is `-17 -(-88) + 94`?
  
• How do you express the phrase "product of -5 and x" as an algebraic expression?
  
• How do you write `x^4-9+3x^2-x^3` in standard form?
  
• What is the standard form of `y= (3x-2)(x+9)`?
  
• What is the slope of the line passing through the following points: `(5, -6) , (2, 5)`?
  
• What is the simplest form of 9/21?
  
• Find the area of triangle abc if a=11, b=9, c=5?
  
• How do write in simplest form given `-1/6-2/3`?
  
• How do you solve `log_3x-2log_x3=1`?
  
• How do you evaluate `(-0.8)+(-7.2)-5.4`?
  
• How do you factor `y= 3x^3 + 81` ?
  
• The length of the garden is 5m longer than its width and the area is 14m². How long is the garden?
  
• A triangle has corners A, B, and C located at `(2 ,5 )`, `(7 ,4 )`, and `(3 , 5 )`, respectively. What are the endpoints and length of the altitude going through corner C?
  
• The sum of two angles in a triangle totals 62.5 degrees. What is the other angle's measure?
  
• What is the square root of 50 + the square root of 8?
  
• What is the slope intercept form of the line with a slope of `-2/3` that passes through `(-5,2)`?
  
• What is the fraction or mixed number equal to 1 1/4%?
  
• What are the intercepts of `-17y-x=7`?
  
• Can the sides of a triangle have lengths 1, 2, and 8?
  
• How do you evaluate the expression 3x + 8 + 4y + 7 + 3x if x=9, y=6?
  
• What is the square root of 0.25?
  
• What is the square root of 0.25?
  
• How can you convert a galvanometer into a voltmeter?
  
• What are the intercepts of `3x-5y=25`?
  
• What is `4.15 * 1.8`?
  
• What is the equation of the line that passes through `(-3,4)` and `(-1, -2)`?
  
• How do you find the LCM of `x^3y, x^2y^2`?
  
• How do you evaluate `-41+57`?
  
• What is the relative molecular weight of `"H"_2"SO"_4` ?
  
• How do you multiply `3/4 times 2/3`?
  
• How do the alveoli in the lungs exchange gases?
  
• How do you find the GCF of `12x, 40x^2`?
  
• How do you factor `1 - 4y^2`?
  
• Chemical formula of sulphur?
  
• Complete the following equations? a)
  
• How do you write 314,207 in standard form?
  
• If `x-y=14` and `x^2-y^2 = 7`, what is the value of `x+y`?
  
• How do you simplify `3r+7-3r`?
  
• Can you Factor the expression? 8x + 8
  
• How do I solve 2x=4+x?
  
• How do you solve `4x=20`?
  
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