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Dmitry_Shevchenko [17]
3 years ago
6

Amaya used these steps to solve the equation 8x+4 = 9+4(2x-1). Which choice describes the meaning of her result, 4 = 5?

Mathematics
1 answer:
Nesterboy [21]3 years ago
7 0

Answer:

Read the step-by-step explanation.

Step-by-step explanation:

8x+4=9+8x-4

Cancel out the 8x's: 4=9-4

Therefore, 4=5, which is not a valid solution.

I'm sure you were supposed to have a file/image along with this, but that's the process to get 4=5.

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Write an expression in the simplest form that represents the perimeter of the following shape
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Perimeter is adding all 4 sides together:

8 + 8 + 9x + 9x

Simplify by coming like terms to get:

18x + 16

The answer is d. 18x + 16

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2 years ago
* 9. Two fifths of what number is 120?<br> 2/5
slava [35]

Answer:

300

Step-by-step explanation:

120 ÷ 2/5 = 300

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3 years ago
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Kari is on a trip to Italy. She has made a list of cities she would like to tour while she is there, as well as how much she exp
Amanda [17]

Unit conversion is a way of converting some common units into another. Kari cannot afford to see Genoa, because it would put her $84. 48 over budget.

<h3>What are Units conversions?</h3>

Unit conversion is a way of converting some common units into another without changing their real value. for, example, 1 centimetre is equal to 10 mm, though the real measurement is still the same the units and numerical values have been changed.

The cost of the Kari visiting the Vatican, Rome, Naples, Venice, and Milan are €68.77, €95.41, €71.06, €113.38, and €49.69. Therefore, the total cost of visiting these places would be,

Total Cost = €68.77 + €95.41 + €71.06 + €113.38 + €49.69

                  = €398.31

Now, as it is given that 1$ is equal to 0.6859€, therefore, if we convert the amount that is already spent by Kari to visit these places in dollars, we will get,

\rm Total\ cost = \dfrac{398.31 }{0.6859} = \$\ 580.72

The amount that is left with Kari,

\rm \text{Amount left with Kari} = (Budget\ of\ Kari)-(Total\ cost)

                                    = \$585-\$580.72\\\\=\$4.28

Also, the cost of visiting Genoa is €60.85, now, if the cost is converted to dollars we will get the cost to visit Genoa,

\text{Cost of visiting Genoa} = \dfrac{60.85}{0.6859}=\$88.72

Thus, the cost of visiting Genoa is $88.72, while the amount of budget that is left with Kari is $4.28, therefore, Kari cannot afford to see Genoa, because it would put her $84. 48 over budget.

Learn more about Units conversion:

brainly.com/question/4736731

3 0
2 years ago
!!Help Please!!
Elodia [21]

Answer: 0.50

Step-by-step explanation:

ap ex

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Determine whether triangle RST or triangle LMN is similar to triangle ABC?
lesya692 [45]

Answer:

triangle LMN is similar to triangle RST

Step-by-step explanation:

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