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Serhud [2]
3 years ago
14

Tre determines the solution to the equation 3.57 x + 1.61 = 4.71 minus 2.63 x is x = 0.5. He verifies his solution using the ste

ps below. Equation: 3.57 x + 1.61 = 4.71 minus 2.63 x Step 1: 3.57 (0.5) + 1.61 = 4.71 minus 2.63 (0.5) Step 2: 1.785 + 1.61 = 4.71 minus 1.315 Step 3: 3.395 = 6.025 Which statement most accurately describes Tre’s error? Tre made an error when determining the original solution of x = 0.5. Tre made an error when substituting the solution in for x. Tre made an error when multiplying each coefficient by 0.5. Tre made an error when adding or subtracting.
Mathematics
2 answers:
uysha [10]3 years ago
5 0

Answer:Tre made an error when adding or subtracting.

Step-by-step explanation:

the solution to the equation 3.57x + 1.61 = 4.71 minus 2.63 x is x = 0.5.

He verifies his solution using the steps below. Equation:

3.57 x + 1.61 = 4.71 minus 2.63x

Step 1: 3.57 (0.5) + 1.61 = 4.71 minus 2.63 (0.5)

Step 2: 1.785 + 1.61 = 4.71 minus 1.315

Step 3: 3.395 = 6.025

Looking at step 2, 4.71 minus 1.315 = 3.395. This would make the left hand side of the equation and the right hand side of the equation to be the same. Therefore,

Tre made an error when adding or subtracting.

serious [3.7K]3 years ago
3 0

Answer:

Tre made an answer when adding or subtracting

Step-by-step explanation:

hope that you ace the quiz <3 <3

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The answer is \frac{3}{10}
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Find the value of x.
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Step-by-step explanation:

Find the value of x.

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Solve log x = 3. Please help
zhuklara [117]

Answer:

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Step-by-step explanation:

4 0
3 years ago
A bag initially contains red marbles and blue marbles only, with more blue than red. Red marbles are added to the bag until only
STALIN [3.7K]

(C) \frac{1}{3} fraction of the marbles now in the bag is blue.

<h3>What is a fraction?</h3>
  • A fraction is a portion of a whole or, more broadly, any number of equal parts.
  • In everyday English, a fraction represents the number of pieces of a specific size, such as one-half, eight-fifths, or three-quarters.
  • A common, vulgar, or simple fraction that consists of a numerator above a line and a non-zero denominator below that line.
  • Numerators and denominators are also employed in uncommon fractions such as compound fractions, complex fractions, and mixed numerals.

To find what fraction of the marbles now in the bag is blue:

  • Important information is that immediately before the last step blue marbles formed \frac{1}{5} from the marble in the bag.
  • That means that there were x blue and 4x other marbles, for some x.
  • When we double the number of blue marbles, there will be 2x blue and 4x other marbles.
  • Hence, blue marbles now form \frac{1}{3} all marbles in the bag.

Therefore, (C) \frac{1}{3} fraction of the marbles now in the bag is blue.

Know more about fractions here:

brainly.com/question/17220365

SPJ4

Complete question:

A bag initially contains red marbles and blue marbles only, with more blue than red. Red marbles are added to the bag until only 1 / 3 of the marbles in the bag are blue. Then yellow marbles are added to the bag until only 1 / 5 of the marbles in the bag are blue. Finally, the number of blue marbles in the bag is doubled. What fraction of the marbles now in the bag are blue?

(A) 1/5

(B) 1/4

(C) 1/3

(D) 2/5

(E) 1/2

7 0
2 years ago
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