Pre-Calculus

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The elongation E of a spring balance varies directly with
The elongation E of a spring balance varies directly with the applied weight. If E=5 when W=26, find E when W=21.… read more
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In a certain distribution the mean is 40 with a standard
In a certain distribution the mean is 40 with a standard deviation of 2. At least what fraction of the numbers are between 34 and 46?… read more
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Use long division to divide. (Simplify your answer completely.) (3x2 + 13x + 14) ÷ (x + 2) , x ≠ −2… read more
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For the function below find the vertex axis of symmetry maximum
For the function below find the vertex axis of symmetry maximum or minimum value and graph the function ￼ the vertex is _______ (ordered pair) The axis of symmetry is x=______ Does it have a maximum o… read more
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1. complete the equation, to the right of the equal sign,
1. complete the equation, to the right of the equal sign, to illustrate the commutative property of multiplication. d.z= 2. Use the commutative property of addition to write an equivalent algebraic ex… read more
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Use the properties of real numbers to simplify the following
Use the properties of real numbers to simplify the following expressions: 2a(a – 5) + 4(a – 5) 2w – 3 + 3(w – 4) – 5(w – 6) 0.05(0.3m + 35n) – 0.8(-0.09n – 22m) Write a two to three page paper that is… read more
Trigeoscal
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1) Simplify. 125 – 2^2 x 5 / (13 x 3 – 7 x 5) 2) Simplify.
1) Simplify. 125 – 2^2 x 5 / (13 x 3 – 7 x 5) 2) Simplify. (13 + 2)^2 – (7-6)^2 3) Simplify. (77 – 17) x [(10 + 12 / 2) – (3 x 3 – 2 x 2)] 4) Simplify the expression by collecting like terms. 7x – 19 … read more
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Simplify. State all restrictions on the variables 1) 20m
Simplify. State all restrictions on the variables 1) 20m 2power +9m+1, over 5m 2power - 26m+5 Multiplied by 10m 2power -2m, over 1-16m 2power Simplify. assume all variables result in nonzero denominat… read more
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1) √4x-5=1 ___A The solution is x=____ (Simplify your answer. Type an integer or a fraction) ___B There is no solution 2) √5x + 2=13 ___A The solution is x=____ (Simplify your answer. Type an integer … read more
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Master's Degree
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Hey Ryan! math 117 week 5 discussion questions. #1 In your
Hey Ryan! math 117 week 5 discussion questions. #1 In your own words, explain the first condition that must be met for a simplified radical. Explain why 5/ sq rt 2 is not simplified and demonstrate th… read more
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Master's Degree
The smaller of two similar rectangles has dimensions 4 and
The smaller of two similar rectangles has dimensions 4 and 6. Find the dimensions of the larger rectangle if the ratio of the perimeters is 2 to 3. shorter side x = , longer side y = . The perimeters … read more
akch2002
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#3 3/yv^2 + 1/y^2 add. simplify if possible #5 [(r^2+7r)/(r^2+4r-21)]/(r/3)
#3 3/yv^2 + 1/y^2 add. simplify if possible #5 [(r^2+7r)/(r^2+4r-21)]/(r/3) divide and simplify #7 (5-x)/(7-x)=2/(x-7) solve #8 [ 2/(4+z)]+[5/(4+z)] add #9 3/(z+7)=2/(z-2) solve #10 [(-44+11y)/2]/[(49… read more
Chirag
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#3 3/yv^2 + 1/y^2 add. simplify if possible #5 [(r^2+7r)/(r^2+4r-21)]/(r/3)
#3 3/yv^2 + 1/y^2 add. simplify if possible #5 [(r^2+7r)/(r^2+4r-21)]/(r/3) divide and simplify #7 (5-x)/(7-x)=2/(x-7) solve #8 [ 2/(4+z)]+[5/(4+z)] add #9 3/(z+7)=2/(z-2) solve #10 [(-44+11y)/2]/[(49… read more
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I will tip as usual, more based on the number of problems:
I will tip as usual, more based on the number of problems: Multiply: (9y-7)(81y^2 + 63y + 49) (x+3)(x-5) (3a^2b^4)(4a^2b^2) -12(6x + 2) (7p -1)(49p^2 + 7p +1) (x+3)(x-3) 7ax^5(4ax^4 + 6x^2 +7) (x-3)(9… read more
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Did I add/subract these rational expressions correctly? 33)
Did I add/subract these rational expressions correctly? 33) Add & Simplify if possible x+3/x-5+x-5/x+3 Multiply terms by factor of 1 x+3/x-5*x+3/x+3+x-5/x+3*x-5/x-5 Multiply the expression by 1 to get… read more
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Master's Degree
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3. Find the slope if it exits, of the line containing the pair
3. Find the slope if it exits, of the line containing the pair of points (9,8) and (-1,8) 6. Give the slope of each line and then determine whether the two lines are parallel, perpendicular, or neithe… read more
Stevewh
Teacher
Bachelor's Degree
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1). factor the perfact square trionial completely. 36y^
1). factor the perfact square trionial completely. 36y^ + 84y + 49 = 2). Factor the polynomial if it is a perfact square trinomial, or state tha the polynomial is prime x^ + 10xy + 25y ^= 3). factor t… read more
Sandhya
Master's Degree
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Hello Scott, Why is it important to simplify radical expressions
Scott
Master's Degree
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