Saturday
July 30, 2016

Posts by Bosnian

Total # Posts: 2,150

Math Help!
6 - ( - 3 ) = 9 15 - 6 = 9 24 - 15 = 9 33 - 24 = 9 42 - 33 = 9 51 - 42 = 9 - 3 ,6 ,15 , 24 , 33 , 42 , 51 Arithmetic progression. Initial term a1 = - 3 Common difference d = 9
February 17, 2016

PLZ HELP MATH
p = pressure d = depth p = 14.7 + 14.7 ( d / 30 ) = 14.7 ( 1 + d / 30 ) In this case d = 1000 ft p = 14.7 ( 1 + 1000 / 30 ) = 14.7 ( 1 + 33.33 ) = 14.7 * 34.33 = 504.7 psi
February 14, 2016

Algebra ASAP
x ^ - 2 = 1 / x ^ 2 ( 6 x ^ - 2 ) ^ 2 = ( 6 / x ^ 2 ) ^ 2 = 6 ^ 2 / ( x ^ 2 ) ^ 2 = 36 / x ^ 4 ( 0.5 x ) ^ 4 = 0.5 ^ 4 * x ^ 4 = 0.0625 x ^ 4 ( 6 x ^ - 2 ) ^ 2 0.5 x ^ 4 = ( 36 / x ^ 4 ) * 0.0625 x ^ 4 = 36 * 0.0625 * x ^ 4 / x ^ 4 = 36 * 0.0625 = 2.25
February 14, 2016

Math
Probability that the 7th grader is a boy = number of boys/number of students = 3 / ( 3 + 3 ) = 3 / 6 = 1 / 2 Probability that the 8th grader is a boy = number of boys/number of students = 1 /( 4 + 1 ) = 1 /5 Probability that both are boys = 1 / 2 * ( 1 / 5 ) = 1 / 10 = 0.1 = 10 %
February 14, 2016

math
a1 = first number a2 = second number a3 = third number a2 = a1 + 2 a3 = a2 + 2 = a1 + 2 + 2 = a1 + 4 a1 + a2 + a3 = a1 + a1 + 2 + a1 + 4 = 3 a1 + 6 = 147 Subtract 6 to both sides 3 a1 + 6 - 6 = 147 - 6 3 a1 = 141 Divide both sides by 3 a1 = 141 / 3 = 47 a1 = 47 a2 = 47 + 2 = ...
February 13, 2016

math
n = Number of nickels q = Number of quarters He has 10 more nickels than quarters mean : n = q + 10 Justin has a total of 50 coins that are all nickels and quarters mean : n + q = 50 n = q + 10 so : n + q = 50 q + 10 + q = 50 2 q + 10 = 50 Subtract 10 to both sides 2 q + 10 - ...
February 10, 2016

Algebra
94 % = 94 / 100 = 0.94 $ 560,000 / 0.94 = $ 595744.68
February 9, 2016

Math
L = Lita's age J = Joe's age Lita is three times Joe's age mean : L = 3 J The difference of their ages is 10 mean : L - J = 10 L = 3 J so : L - J = 10 3 J - J = 10 2 J = 10 Divide both sides by 2 J = 10 / 2 = 5 L = 3 J = 3 * 5 = 15 Lita's present ages = 15 Joe...
February 9, 2016

algebra equations
x = a number 4 less than 5 times itself mean : 5 x - 4 x + 5 x - 4 = 27 6 x - 4 = 27 Add 4 to both sides 6 x - 4 + 4 = 27 + 4 6 x = 31 Divide both sides by 6 x = 31 / 6 Are you shure that the result is 27?
February 9, 2016

math
6 / 27 = 3 * 2 / ( 3 * 9 ) = 2 / 9
February 6, 2016

Algebra
4. 3 ( 4 - 2 x ) = - 2 x 3 * 4 - 3 * 2 x = - 2 x 12 - 6 x = - 2 x Add 6 x to both sides 12 - 6 x + 6 x = - 2 x + 6 x 12 = 4 x Divide both sides by 4 3 = x x = 3 Answer d 5. 5.4 + 0.2 x = - 1.4 x + 8.6 Subtract 5.4 to both sides 5.4 - 5.4 + 0.2 x = - 1.4 x + 8.6 - 5.4 0.2 x...
February 1, 2016

math
8 / 270 = x / 72.5 Multiply both sides by 72.5 72.5 * 8 / 270 = x 580 / 270 = x 2.148148 = x x = 2.148148 x = 2.1 fluid ounces Rounded to the nearest tenth.
January 30, 2016

Math
Substitute the values a = 4 , b = - 9 , c = - 9 into the quadratic formula x1/2 = [ - b +OR- sqroot( b ^ 2 - 4 a c ) ] / 2 a x1/2 = [ - ( - 9 ) +OR- sqroot( ( - 9 ) ^ 2 - 4 * 4 * ( - 9 ) ) ] / 2 * 4 x1/2 = [ 9 +OR- sqroot( 81 - 4 * ( - 36) ) ] / 8 x1/2 = [ 9 +OR- sqrt ( 81 + ...
January 29, 2016

Math
1 / 4 = 1 * 8 / ( 4 * 8 ) = 8 / 32 5 * 16 = 5 * 2 / ( 16 * 2 ) = 10 / 32 Your answer is correct.
January 26, 2016

Algebra
2 y - 8 = 3 y - 18 Subtract 2 y to both sides 2 y - 8 - 2 y = 3 y - 18 - 2 y - 8 = y - 18 Add 18 to both sides - 8 + 18 = y - 18 + 18 10 = y y = 10
January 25, 2016

Math
[ ( 8.3 + x ) / 11.2 ] * 8 ) = 16 Divide both sides by 8 [ ( 8.3 + x ) / 11.2 ] * 8 ) / 8 = 16 / 8 ( 8.3 + x ) / 11.2 = 2 Multiply both sides by 11.2 11.2 * ( 8.3 + x ) / 11.2 = 2 * 11.2 8.3 + x = 22.4 Subtract 8.3 to both sides 8.3 + x - 8.3 = 22.4 - 8.3 x = 14.1
January 24, 2016

Math
12 : 18 = 2 * 6 : ( 3 * 6 ) = 2 : 3 2 : x = 2 : 3 x = 3 Answer A 5 : 15 = 5 : ( 3 * 5 ) = 1 : 3 1 : 3 = x : 3 x = 1 Answer C
January 21, 2016

math
Did you read my answer?
January 21, 2016

math
r = first number r + 1 = second number r + 2 = third number r + r + 1 + r + 2 = 144 3 r + 3 = 144 Subtract 3 To both sides 3 r + 3 - 3 = 144 - 3 3 r = 141 Divide both sides by 3 r = 141 / 3 = 47 r + 1 = 48 r + 2 = 49 47 + 48 + 49 = 144
January 21, 2016

Math
75 % = 75 / 100 = 0.75 L = 124 ft W = 0.75 * L = 0.75 * 124 = 93 ft P = 2 L + 2 W = 2 ( L + W ) = 2 * ( 124 + 93 ) = 2 * 217 = 434 ft A = L * W = 124 * 93 = 11,532 ft ^ 2
January 21, 2016

Maths
L = 3 W d = sqroot ( L ^ 2 + W ^ 2 ) d = sqroot [ ( 3 W ) ^ 2 + W ^ 2 ] = sqroot ( 9 W ^ 2 + W ^ 2 ) = sqroot ( 10 W ^ 2 ) = 6 * sqroot ( 10 ) sqroot ( 10 ) * W = 6 * sqroot ( 10 ) Divide both sides by sqroot ( 10 ) W = 6 cm L = 3 W = 3 * 6 = 18 cm P = 2 L + 2 W = 2 ( L + W...
January 21, 2016

Math
y - 2 = 6 x + 3 Subtract 6 x + 3 to both sides y - 2 - ( 6 x + 3 ) = ( 6 x + 3 ) - ( 6 x + 3 ) y - 2 - 6 x - 3 = 0 y - 6 x - 5 = 0
January 21, 2016

math
1 h = 60 min Speed = ( 4 / 5 ) mile * 60 min / 9 min Speed = ( 4 / 5 ) * 60 / 9 = 4 * 60 / 5 * 9 = 240 / 45 = 2 * 2 * 2 * 2 * 3 * 5 / ( 3 * 3 * 5 ) = 2 * 2 * 2 * 2 / 3 = 16 / 3 miles / hour
January 21, 2016

Math
150 % = 150 / 100 = 1.5 1.5 * 25,800 = 38,700
January 13, 2016

Algebra
In google type : functions graphs online When you see list of results click on : Draw Function Graphs - Plotter - Rechneronline When page be open in blue rectangle type : x + 3 In gray rectangle type : - 2 x - 3 Then click option : Draw Solution : x = - 2 , y = 1
January 13, 2016

Math 10
1 yd = 91.44 cm 5 yd = 5 * 91.44 = 457.2 cm 457.2 cm / 50 cm = 9.144 = 9 + 0.144 pieces 9 pieces + 0.144 * 50 cm = 9 pieces + 7.2 cm
January 5, 2016

Math
b ) ( 2 / 5 ) ^ 3 = 8 / 125
January 5, 2016

Math
If two polygons are similar, the ratio of their areas is equal to the square of the ratio of their corresponding sides. If two polygons are similar, the ratio of their volumes is equal to the cube of the ratio of their corresponding sides. a) ( 1 / 4 ) ^ 2 = 1 / 16 b ) ( 2 / 5...
January 5, 2016

Maths
As = Area of the smaller triangle = 28 square Al = Area of the larger triangle In two similar triangles, the ratio of their areas is the square of the ratio of their sides. As = Al * ( 2 / 5 ) ^ 2 As = Al * 4 / 25 As = 4 Al / 25 Multiply both sides by 25 25 As = 4 Al Divide ...
January 4, 2016

Algebra! Errr, whatever it is.
j = r b Divide both sides by b j / b = r r = j / b Answer d M = 300 J / P Multiply both sides by P P M = 300 J Divide both sides by 300 P M / 300 = J J = P M / 300 Answer d
January 4, 2016

Math
P2 = second pile
December 23, 2015

Math
P1 = first pile P3 = second pile P3 = third pile The first has 5 more books than the 2nd pile. This mean : P1 = P2 + 5 The number of books in the second pile is twice the number of books in the third pile. This mean : P2 = 2 P3 So if : P2 = 2 P3 and P1 = P2 + 5 then : P1 = P2...
December 23, 2015

Math
Type mistake. y = - 2 x - 12 = - 2 * ( - 8 ) - 12 = 16 - 12 = 4
December 18, 2015

Math
y = - 2 x - 12 = - 2 * ( - 8 ) - 2 = 16 - 12 = 4
December 18, 2015

Math
3 x + 4 ( x - 6 ) - 3 ( x - 7 ) 3 x + 4 * x + 4 * ( - 6 ) - 3 * x - 3 * ( - 7 ) = 3 x + 4 x - 24 - 3 x + 21 = 4 x - 3 Answer B
December 18, 2015

Math
- 6 - 7 ( c + 10 ) = - 6 - 7 * c - 7 * 10 = - 6 - 7 c - 70 = - 76 - 7 c Answer B
December 18, 2015

Maths plz help
x + y = 5 Possible combinations : x = 1 , y = 4 x = 2 , y = 3 x = 3 , y = 2 x = 4 , y = 1 x = 1 , y = 4 x ^ x + y ^ y = 31 1 ^ 2 + 2 ^ 2 = 31 1 + 4 = 31 Incorrect. x = 2 , y = 3 x ^ x + y ^ y = 31 2 ^ 2 + 3 ^ 3 = 31 4 + 27 = 31 Correct. x = 3 , y = 2 x ^ x + y ^ y = 31 3 ^ 3...
December 18, 2015

math
C = Present Chase's age R = Present Rosa's age Chase is 34 years younger than Rosa. This mean : C = R - 34 8 years ago, Rosa's was R - 8 yrs , Chase was C - 8 yrs 8 years ago, Rosa's age was 3 times Chase's age. This mean : R - 8 = = 3 ( C - 8) R - 8 = 3 * ...
December 18, 2015

Math
a = apples o = oranges 1 week : a + o = 108 2 week : 5 a + 3 o = 452 Now you must solve system of 2 equations with 2 unknown : a + o = 108 5 a + 3 o = 452 The method of substitution: a + o = 108 Subtract o to both sides a + o - o = 108 - o a = 108 - o 5 a + 3 o = 452 5 * ( 108...
December 18, 2015

math
Convert the numbers in decimal form. 2 / 3 = 0.6666 65 % = 65 / 100 = 0.65 7 / 10 = 0.7 Order : 0.64 , 65 % , 2 / 3 , 7 / 10
December 18, 2015

Math
My type mistake. s = ( 100 + 250 + 275 ) / 2 = 625 / 2 = 312.25 m
December 11, 2015

Math
Heron's Formula for the area of a triangle : A = sqrootÿ[ s ( s - a ) ( s - b ) ( s - c ) ] s is half the perimeter . s = ( a + b + c ) / 2 a = ( 100 + 250 + 275 ) / 2 = 625 / 2 = 312.25 m A = sqrootÿ[ s ( s - a ) ( s - b ) ( s - c ) ] A = sqrootÿ[ 312.25 ( ...
December 11, 2015

Algebra
x = - 2 / 3 - 6 x + 7 y = 11 - 6 * ( - 2 / 3 ) + 7 y = 11 12 / 3 + 7 y = 11 4 + 7 y = 11 Subtract 4 to both sides 4 + 7 y - 4 = 11 - 4 7 y = 7 Divide both sides by 7 y = 1 Coordinate x = - 2 / 3 , y = 1 OR ( - 2 / 3 , 1 )
December 9, 2015

Math
16 / 36 = 4 * 4 / ( 4 * 9 ) = 4 / 9
December 9, 2015

Mathxxx!!!
1. 4 x + 3 = 2 ( 2 x + 9 ) 5. a. 7 x - 12 = 8 x + 29 - x 7 x - 12 = 7 x + 29 Incorrect No solutions b. - 4 + 5 x = 2 ( 3 x - 4 ) - 4 + 5 x = 2 * 3 x - 2 * 4 - 4 + 5 x = 6 x - 8 Subtract 5 x to both sides - 4 + 5 x - 5 x = 6 x - 8 - 5 x - 4 = x - 8 Add 8 to both sides - 4 + 8...
December 8, 2015

math
f ( 17 ) = 0.01 ( 2 ) ^ x = 0.01 ( 2 ) ^ 17 = 0.01 * 131072 = 1310.72 f ( 10 ) = 0.01 ( 2 ) ^ x = 0.01 ( 2 ) ^ 10 = 0.01 * 1024 = 10.24 The average rate of change : [ f ( 17 ) - f ( 10 ) ] / ( 17 - 10 ) = [ f ( 17 ) - f ( 10 ) ] / 7 = ( 1310.72 - 10.24 ) / 7 = 1300.48 / 7 = ...
December 8, 2015

Math
Straight line equations: y = mx + b m = slope b = y-intercept ( Point on the graph where x is zero ) Difference between y coordinates is constant = 15 29 - 14 = 15 44 - 29 = 15 59 - 44 = 15 Slope = 15 y-intercept = y coordinate when x = 0 y-intercept = 14 So : m = 15 b = 14 y...
December 8, 2015

Math
You can write : y = ( x - 1896 ) / 150 like : P / Q = ( x - 1896 ) / 150
December 8, 2015

Math
If the ratio is a linear function then : Two point equation of straight line : y = y1 + [ ( y2 - y1 ) / ( x2 - x1 ) ] * ( x - x1 ) In this case : x1 = 1996 y1 = 2 / 3 x2 = 2001 y2 = 7 / 10 y = y1 + [ ( y2 - y1 ) / ( x2 - x1 ) ] * ( x - x1 ) y = 2 / 3 + [ ( 7 / 10 - 2 / 3...
December 8, 2015

math
60 percent = 60 % = 60 / 100 = 0.6 0.6 * 30 = 18 18 questions
December 8, 2015

Algebra
My misprint. 1.2912 * 100 % = 129.12 %
December 3, 2015

Algebra
412.99 / 319.85 = 1.2912 1.2912 * 100 = 129.12 % 129.12 % - 100 % = 29.12 % 29 % To the nearest whole percent.
December 3, 2015

maths
Reinny In w o l f r a m a l p h a . com type: solve ( x + y ) / 2 = sqroot ( x * y ) + 2 , 2 / ( 1 / x + 1 / y ) = x / 5 The solutions are : 9 and 1
December 1, 2015

Math
Not at all. highest concentration = infinity as x tends towards 0.
November 30, 2015

Math
The question does not make sense. a t / t ^ 2 = 3 t / t ^ 2 = 3 t / ( t * t ) = 3 / t a t / t ^ 2 + b = 3 t / t ^ 2 + 1 = 3 / t + 1 Tends to infinity as x tends towards 0.
November 30, 2015

6 grade Math
241.5 / 12.5 = 193.2 / x Multiply both sides by 12.5 241.5 * 12.5 / 12.5 = 193.2 * 12.5 / x 241.5 = 2415 / x Multiply both sides by x 241.5 * x = 2415 * x / x 241. 5 x = 2415 Divide both sides by 241.5 2415.5 x / 241.5 = 2415 / 241.5 x = 10 cm ^ 3 OR 12.5 / 241.5 = 0....
November 30, 2015

math
A = Area r = radius d = diameter A = r ^ 2 pi OR r = d / 2 A = r ^ 2 pi = ( d / 2 ) ^ 2 * pi = ( d ^ 2 / 4 ) * pi = d ^ 2 pi / 4
November 30, 2015

Solving Trig Equations
Trigonometric identity: sin ( - x ) = - sin x On interval [ 0 , pi ] [ 0 , 180 ° ] you have 2 angles with sin x = sqroot ( 3 ) / 2 x = pi / 3 = 60 ° and x = 2 pi / 3 = 120 ° So if sin ( - x ) = sin x on interval [ - pi , 0 ] [ - 180 ° , 0 ] you have 2 angles ...
November 27, 2015

Algebra 2
sqrt ( - 28 ) = sqrt ( - 4 * 7 ) = sqrt ( - 1 * 4 * 7 ) = sqrt ( - 1 ) * sqrt ( 4 ) * sqrt ( 7 ) = i * 2 * sqrt ( 7 ) = 2 i sqrt ( 7 )
November 27, 2015

algebra
Yes. 8 x ^ 2 + 3 ( x ^ 2 + y ) = 8 x ^ 2 + 3 * x ^ 2 + 3 * y = 8 x ^ 2 + 3 x ^ 2 + 3 y = 11 x ^ 2 + 3 y 7 x ^ 2 + 7 y + 4 x ^ 2 - 4 y = 7 x ^ 2 + 4 x ^ 2 + 7 y - 4 y = 11 x ^ 2 + 3 y
November 27, 2015

Math Algebra
2 % = 2 / 100 = 0.02 2 % of 5 = 0.02 * 5 = 0.1 3 % = 3 / 100 = 0.03 3 % of 12 = 0.03 * 12 = 0.36 The new fraction: ( 5 - 0.1 ) / ( 12 + 0.36 ) = 4.9 / 12.36 Multiply numerator andd enominator by 100 490 / 1236 = 2 * 5 * 7 * 7 / ( 2 * 2 * 3 * 103 ) = 5 * 7 * 7 / ( 2 * 3 * 103...
November 27, 2015

math
W = Wide H = height D = Diagonal W / H = 16 / 9 20 / H = 16 / 9 Multiply both sides by 9 20 * 9 / H = 16 * 9 / 9 180 / H = 16 Multiply both sides by H 180 * H / H = 16 * H 180 = 16 H Divide both sides by 16 180 / 16 = 16 H / 16 11.25 = H H = 11.25 in Pythagorean theorem : D = ...
November 27, 2015

Math
25 / ( pi + 6 ) = 25 / ( 3.1415926535 + 6 ) = 25 / 9.1415926535 = 2.734753226 approx. = 2.73 What is problem?
November 26, 2015

Math
A = first angle B = second angle In the right triangel summ of angles = 180 ° If the sum of two acute angles in a right triangle is 90 degrees this mean : A + B = 180 ° - 90 ° = 90 ° A + B = 90 ° Twice the first is 40 degrees more than thrice the second. ...
November 26, 2015

Math
The length of the rectangle 5cm more than twice the width. This mean : L = 5 + 2 W P = 2 W + 2 L = 2 ( W + L ) 70 = 2 ( W + L ) 70 = 2 ( W + 5 + 2W ) 70 = 2 ( 3 W + 5 ) Divide both sides by 2 70 / 2 = 2 ( 3 W + 5 ) / 2 35 = 3 W + 5 Subtract 5 to both sides 35 - 5 = 3 W + 5 - 5...
November 26, 2015

Mathematics
If " n " is an integer, then n, n + 2, n + 4 and n + 6 will be even consecutive integers. Four times the greatest is 36 more than more than the sum of the other three. This mean : 4 ( n + 6 ) = 36 + ( n + n + 2 + n + 4 ) 4 ( n + 6 ) = 36 + ( n + n + 2 + n + 4 ) 4 * n...
November 26, 2015

Math
If you think on circumference of a circle. C = d * pi pi = 22 / 7 C = d * pi C = 2.1 * ( 22 / 7 ) = 2.1 * 22 / 7 = 46.2 / 7 = 6.6
November 26, 2015

MATH
a. - 3 y / - 2 = 3 y / 2 = ( 3 / 2 ) y So : x = 9 - 3 y / - 2 = 9 + ( 3 / 2 ) y x = 9 + ( 3 / 2 ) y Subtract ( 3 / 2 ) y to both sides x - ( 3 / 2 ) y = 9 + ( 3 / 2 ) y - ( 3 / 2 ) y x - ( 3 / 2 ) y = 9 When you compare with : a x + b y = c you can see : a = 1 b = - ( 3 / 2 ) ...
November 26, 2015

Maths
Whole class have 10 / 10 students. 9 / 10 student was absen. 3 students were present. 3 students = 10 / 10 - 9 / 10 = 1 / 10 1 / 10 = 3 students Solve this.
November 26, 2015

Pre-Calculus HELP!!
The twelfth day of the year mean t = 12 Now you must put t = 12 into your equation. ( 2 pi / 365 ) t - 1.25 ) = ( 2 * 3.14159216535 / 365 ) * 12 - 1.25 = ( 6.283185307 / 365 ) * 12 - 1.25 = 0.01721420632 * 12 - 1.25 = 0.20657047584 - 1.25 = - 1.04342952416 Now take calculator...
November 26, 2015

math
1 1/3 = 1 + 1 / 3 = 3 / 3 + 1 / 3 = 4 / 3 ( 1 1/3 ) / ( 2 / 5 ) = ( 4 / 3 ) / ( 2 / 5 ) = ( 4 * 5 ) / ( 3 * 2 ) = 20 / 6 = ( 2 * 10 ) / ( 2 * 3 ) = 10 / 3 = ( 9 + 1 ) / 3 = 9 / 3 + 1 / 3 = 3 + 1 / 3 = 3 1/3 cantrs
November 24, 2015

Math
Question 8 x / 70 = 50 / 100 Multiply both sides by 100 100 x / 70 = 50 Multply both sides by 70 100 x = 50 * 70 100 x = 3500 Divide both sides by 100 x = 3500 / 100 = 35 x / 50 = 70 / 100 Multiply both sides by 100 100 x / 50 = 70 Multply both sides by 50 100 x = 70 * 50 100 ...
November 23, 2015

math
18 / 2 = 9 54 / 6 = 9 Answer c
November 23, 2015

math
The average marks of 14 students was 71. This mean : ( x1 + x2 + x3 + ... x14 ) / 14 = 71 ( x1 + x2 + x3 + ... x14 ) / 14 = 71 Multiply both sides by 14 x1 + x2 + x3 + ... x14 = 71 * 14 x1 + x2 + x3 + ... x14 = 994 = Total marks On this marks you must add 56 - 42 = 14 and ...
November 22, 2015

Geometry
Area of a triangle: A = b * h / 2 A triangle base is 3 inches more than it's height. This mean : b = h + 3 A = b * h / 2 = ( h + 3 ) * h / 2 = 35 in ^ 2 ( h * h + 3 * h ) / 2 = 35 ( h ^ 2 + 3 h ) / 2 = 35 Multiply both sides by 2 h ^ 2 + 3 h = 70 Subtract 70 to both sides ...
November 21, 2015

Algebra (help please!)
Even integers differ by two. If 3s is even, the even just below 3s is (3s -2) and the even just above 3s would be (3s+2) so you must find product : ( 3s - 2 ) ( 3 s ) ( 3 s + 2 ) = ( 3 s * 3 s - 2 * 3 s ) ( 3 s + 2 ) = ( 9 s ^ 2 - 6 s ) ( 3 s + 2 ) = 9 s ^ 2 * 3 s + 9 s ^ 2 * ...
November 11, 2015

Mathematics
Paste your question in google. You will se couple answers.
November 10, 2015

Math
3 x + 4 y = 12 Subtract 3 x to both sides 3 x + 4 y - 3 x = 12 - 3 x 4 y = 12 - 3 x 4 y = - 3 x + 12 Divide both sides by 4 4 y / 4 = - 3 x / 4 + 12 / 4 y = - ( 3 / 4 ) x + 3
November 10, 2015

Math
m = ( y1 - y2 ) / ( x1 - x2 ) In this case : x1 = 3 , y1 = 4 x2 = 6 , y2 = - 2 m = ( y1 - y2 ) / ( x1 - x2 ) = [ 4 - ( - 2 ) ] / ( 3 - 6 ) = ( 4 + 2 ) / - 3 = 6 / - 3 = - 2
November 10, 2015

Math
Linear eguation in Two-point form : y - y1 = [ ( y2 - y1 ) / ( x2 - x1 ) ] * ( x - x1 ) In this case : x1 = 3 , y1 = 4 x2 = 6 , y2 = - 2 y - y1 = [ ( y2 - y1 ) / ( x2 - x1 ) ] * ( x - x1 ) y - 4 = [ ( -2 - 4 ) / ( 6 - 3 ) ] * ( x - 3 ) y - 4 = [ - 6 / 3 ] * ( x - 3 ) y - 4...
November 10, 2015

Math
He read 60 - 4 = 56 pages 1 week = 7 days 56 pages divide by 7 days 56 / 7 = 8 pages per day
November 10, 2015

math
1 mile = 5,280 ft Multiply by 5,280
November 7, 2015

Math
Approximately correct answer. cos B = ( a ^ 2 + c ^ 2 - b ^ 2 ) / ( 2 a c ) = ( 9 ^ 2 + 11 ^ 2 - 3 ^ 2 ) / ( 2 * 9 * 11 ) = ( 81 + 121 - 9 ) / 198 = 193 / 198 = 0.97474747 B = cos ^ - 1 ( 0.97474747 ) B = 12,90352 ° B = 12 ° 54 ' 12.672 " B = 12 ° 54 '...
November 6, 2015

Math
Copy your question in google. When you see list of results click on : Jupiter V Superstars III - Elliott Tech, LLC You will see answer with detail explanation.
November 3, 2015

math help connections academy HHEELLPP
19 = h / 3 - 8 Add 8 to both sides 19 + 8 = h / 3 - 8 + 8 27 = h / 3 Multiply both sides by 3 27 * 3 = h 81 = h h = 81
November 3, 2015

Math
Correct 75 kg 568 g = 75.568 kg 8 kg 959 g = 8.959 kg 75.568 - 8.959 = 66.609 66.609 kg = 66 kg 609 g
November 3, 2015

mathematics
a4 = 37 a6 = a4 + 12 a6 = 37 + 12 = 49 In an arithmetic progression nth term of the sequence (an) is given by: an = a1 + ( n - 1 ) d so: a4 = a1 + ( 4 - 1 ) d = 37 a1 + 3 d = 37 a6 = a1 + ( 6 - 1 ) d = 49 a1 + 5 d = 49 Now you must solve system of two equations with two ...
November 3, 2015

Algebra
In this case : x1 = - 6 , y1 = 4 x2 = 3 , y2 = - 5 Equation of a straight line from 2 points : y = y1 + [ ( y2 - y1 ) / ( x2 - x1 ) ] ( x - x1 ) y = 4 + [ ( - 5 - 4 ) / ( 3 - ( - 6 ) ) ] ( x - ( - 6 ) ) y = 4 + [ ( - 9 ) / ( 3 + 6 ] ( x + 6) y = 4 + [ ( - 9 ) / 9 ] ( x + 6) y...
October 31, 2015

Maths
1 m = 1000 mm 465 mm = 465 / 1000 = 0.465 m 320 mm = 320 / 1000 = 0.320 m 0.465 * 0. 320 = 0.1488 metre squared 0.1488 * 25 = 3.72 $ 3.72
October 31, 2015

8th grade algebra
Correct result. You also find result like that: 3 x 10 ^ - 2 = 3 / 10 ^ 2 = 0.03 6.2 x 10 ^ 1 = 6.2 x 10 = 62 3 x 10 ^ - 2 - 6.2 x 10 ^ 1 = 0.03 - 62 = - 61.97 = - 6.197 * 10 ^ 1
October 29, 2015

Math
- x ^ 4 + 4 x ^ 4 = 3 x ^ 4 (dy÷dx) f(x)= 3 limit as h -> 0 [ ( x + h ) ^ 4 - x ^ 4 ] / h = 3 limit as h -> 0 [ ( x ^ 4 + 4 x ^ 3 h + 6 x ^ 2 h ^ 2 + 4 x h ^ 3 + h ^ 4 ) - x ^ 4 ] / h = 3 limit as h -> 0 ( 4 x ^ 3 h + 6 x ^ 2 h ^ 2 + 4 x h ^ 3 + h ^ 4 ) / h = 3...
October 28, 2015

precalculus
P.S. If you do not know how to write this value go to: w o l f r a m a l p h a . c o m When page be open in rectangle type : sin ( 3 pi / 8 ) then in rectangle click option =
October 28, 2015

precalculus
Remark : _________________________________ pi / 8 = 22.5° = 22° 30' 3 pi / 8 = 4 pi / 8 - pi / 8 = pi / 2 - pi / 8 3 pi / 8 = 90° - 22° 30' = 67° 30' pi / 4 = 45° sin ( pi / 4 ) = sqroot ( 2 ) / 2 cos ( pi / 4 ) = sqroot ( 2 ) / 2 pi / 2 = ...
October 28, 2015

Algebra
Nuber of 18 yrs old students = x1 Nuber of 19 yrs old students = x2 Nuber of 20 yrs old students = x3 The number of 18 year old was six more than the combined number of 19 and 20 year olds. This mean : x1 = x2 + x3 + 6 x1 = x2 + x3 + 6 Subtract 6 to both sides x1 - 6 = x2 + x3...
October 27, 2015

Math
All real numbers except x = 0 , because for x = 0 , 1 / x -> + OR - infinity. Domain looks like this in interval notation : ( - infinity , 0 ) U ( 0 , infinity )
October 24, 2015

Math
65 = 5 * 13 390 = 5 * 13 * 6 65 : 390 = 5 * 13 : ( 5 * 13 * 6 ) = 1 : 6
October 24, 2015

math
Put t = 12 and s = 9 into equations. 1. 3 ( 3 t + s ) = 3 * ( 3 * 12 + 9 ) = 3 * ( 36 + 9 ) = 3 * 45 = 135 2. 2 s - t = 2 * 9 - 12 = 18 - 12 = 6
October 23, 2015

Math
3 x + 3 ( x - 1 ) <= 18 3 x + 3 x - 3 <= 18 6 x - 3 <= 18 Add 3 to both sides 6 x - 3 + 3 <= 18 + 3 6 x <= 21 Divide both sides by 6 x <= 21 / 6 x <= 3 * 7 / ( 3 * 2 ) x <= 7 / 2
October 20, 2015

MATh
2.8 x = - 9.24 Divide both sides by 2.8 2.8 x / 2.8 = - 9.24 / 2.8 x = - 3.3
October 20, 2015

MATh
- 5 g - 6 g = - 2 - 5 * ( - 2 ) - 6 = 10 - 6 = 4 the sum of 3 coins and c coins = 3 + c = c + 3 x - 2 = 16 Add 2 to both sides x - 2 + 2 = 16 + 2 x = 18 z / - 12 = - 5 Multiply both sides by - 12 z * ( - 12 ) / - 12 = - 5 * - 12 z = 60 x - 8.1 = 5.3 Add 8.1 to both sides x - 8...
October 20, 2015

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