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Veronika [31]
2 years ago
10

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

Mathematics
1 answer:
Olegator [25]2 years ago
6 0

Answer:

1. 15

2. 45

3. There is a missing digit.

Step-by-step explanation:

Given:  <u>y=3</u> and <u>x= 1/2</u>

<h2>Question 1: 4(2y-4x)-1=</h2>
  • 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

<h2>Question 2: 4x^2+2y^3-10 = </h2>

4/2²2*27-10

4/2²+54-10

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

45: Numerical factors in this term have been multiplied.

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