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when y=3 and x= 1/2
1.4(2y-4x)-1=
2. 4x^2+2y^3-10=
3.4(x^+1)+2x+3y=

Sagot :

Answer:

1. 15

2. 45

3. There is a missing digit.

Step-by-step explanation:

Given:  y=3 and x= 1/2

Question 1: 4(2y-4x)-1=

  • Numerical factors in this term have been multiplied.

4(6-4/2)-1

  • We can reduce this fraction by dividing both numerator and denominator by a common numeric factors.

4(6-2)-1

  • Numerical terms in this expression have been added.

4*4-1

  • Numerical factors in this term have been multiplied.

16-1

  • Numerical terms in this expression have been added.

15

Question 2: 4x^2+2y^3-10 =

4/2²2*27-10

4/2²+54-10

  • We need to perform a multiplication.
  • The following rule is applied:
  • [tex]\frac{A}{B} C=\frac{AC}{B}[/tex]

45: Numerical factors in this term have been multiplied.

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