Negative Exponents - Page 62

Questions
  • How do you solve #20x + 19= 10x + 13#?
  • If the value of b is 7,then the value of the expression -3b^2 + 25=?
  • If the value of b is 7,then the value of the expression -3b^2 + 25=?
  • Please help me how can I simplify this question (-3x^2*y)^2 (2x*y^3)^3 ?
  • Johnny invests $2,745 into an account, which has been earning interest for many years and he now has a total of $39,974. In two sentences explain why a negative number would be reasonable in the solution of the rate he received on his investment?
  • What is #9(-4)(x)# when #x = 5#?
  • Twice a number, diminished by 17 is -3. What is the number?
  • How to know when to flip by the reciprocal when solving inequalities?
  • How do you simplify #-5- 9( 1+ 9x )#?
  • How do you solve #(25x ^ { - \frac { 1} { 2} } y ^ { \frac { 2} { 2} } ) ^ { \frac { 1} { 2} }#?
  • How do you solve #2c + 14= 6- 4c^3#?
  • How do you solve #-1n - 9< 98#?
  • How do you simplfiy #(x^3 +2x^2 +5x) -(3x^2 -x-7)#?
  • How do you solve #\frac{d}{7} - - 51= 56#?
  • What are the solutions of #x^2+14x=-49#?