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jekas [21]
3 years ago
14

Does the equation 1/2(2x + 4) = x + 3 have infinitely many solutions? Does it have exactly one solution?

Mathematics
1 answer:
prohojiy [21]3 years ago
6 0

Answer:

it doesnt have solution

Step-by-step explanation:

1/2(2x + 4) = x + 3

x+2=x+3

x-x=3-2

0≠1

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Solve 2x^2 − 8x = −7
kenny6666 [7]

Answer:

The answer to your question is below

Step-by-step explanation:

                                2x²  -   8x   =  - 7

Divide by 2

\frac{2}{2} x^{2}  - \frac{8}{2} x    = \frac{-7}{2}

Complete the trinomial

x^{2}  - 4x + (2)^{2}  = \frac{-7}{2} + (2)^{2}

Simplify

x^{2}  - 4x  + (2)^{2}  = \frac{- 7 + 4}{2}

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Factor

(x - 2)²  =  \frac{-3}{2}

Get the square root

\sqrt{(x - 2)^{2}} = \sqrt{\frac{-3}{2}}

Simplification

               x - 2 =± \sqrt{\frac{3}{2}} i

      x₁ = 2 + \sqrt{\frac{3}{2}} i

       x₂ = 2 - \sqrt{\frac{3}{2}}

6 0
3 years ago
A software book is divided into two sections, basic operations and advanced in a ratio of 7:2. If there are 450 pages, how many
kenny6666 [7]

Answer:

350:100

Step-by-step explanation:

By dividing 450 by 9 which is 7 + 2, both of the ratio numbers, and you get 50. Then you do 50 x 7, the first number, then 50 x 2, the second number, to get 350:100

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Step-by-step explanation:

A.) Correct Answer: 12%

Given , Principle = ₹ 1 , Time = 1 month = ( 1 / 12 ) year and SI = 1 paisa = ₹ ( 1 / 100 )

As we know that ,

Rate =SI × 100Principal × Time

Rate =(1 ÷ 100) × 100= 12% p.a.1 × (1 ÷ 12)

B.) Correct Answer:

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What is the area of the rectangle?
algol13

Answer:

66 units

Step-by-step explanation:

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