3 years ago

Chapter 6 Introduction to Variables and Evaluating Expression

Mathematics

1 answer:

Vesnalui [34]3 years ago

6 0

I would say the answer is -62. Hope this helps

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The total cost of a shirt and a pair of pants was $93.43. If the price of the shirt was $2.43 less than the pair of pants, what

Yanka [14]

45.50.....................

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3 years ago

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The equation y = 2.50x determines the total cost, y, of buying x carnival tickets. Use the drop-down menu to complete the senten

PIT_PIT [208]

Answer: The total cost of 15 carnival tickets=$37.50

Step-by-step explanation:

We are given that ,

The equation $y = 2.50x$ represents the total cost of buying buying carnival tickets , where x= Number of carnival tickets and y= Total cost.

To find : The cost of 15 carnival tickets.

In the given equation , we substitute the value of x = 15 we get

$y = 2.50(15)=2.50\times15=37.5\\\Rightarrow\ y=37.5$

Thus , According to the equation, the total cost of 15 carnival tickets= $ 37.50

Hence , the correct answer is $ 37.50 .

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3 years ago

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The sum of half of a number and 8 less<br> than the number is 25. Find the number.

LuckyWell [14K]

Answer:

The number is 22

Step-by-step explanation:

let x = the number

$\frac{1}{2} x + x - 8 = 25 \\ \frac{1}{2} x + x - 8 + 8 = 25 + 8 \\ \frac{1}{2} x + x = 33 \\ factor \: out\: x \: on \: the \: left \\ x( \frac{1}{2} + 1) = 33 \\ divide \: both \: sides \: by \: \frac{1}{2} + 1 \\ \frac{x( \frac{1}{2} + 1) }{ \frac{1}{2} + 1} = \frac{33}{ \frac{1}{2} + 1} \\ x = \frac{33}{ \frac{3}{2} } \\ x = \frac{66}{3} \\ x = 22$