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3 years ago

Y and x have a proportional relationship, and y = 15 when x = 3. What is the value of x when y = 4?

Mathematics

1 answer:

Alex73 [517]3 years ago

4 0

X would be 20 because is like sipmle multipulcation by 5 Ex. 3x5=15 like 4x5=20

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Martin finds a shirt on sale for 20% off at a department store. The original price was $20. Martin must also pay a 7.5% sales ta

mars1129 [50]

Answer: You will pay $13.52 for this shirt.

Step-by-step explanation: 0.9435

Since the tax is 7.5%, you have to multiply 12.58 by 7.5% to find the amount of money paid as tax.

7.5% = 0.075

12.58 x 0.075 = 0.9435

Since we are dealing with money we have to round to the nearest hundredth -- 0.9435 = 0.94

Then to find the final cost of the shirt, we have to add 12.58 and 0.94 to get $13.52.

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3 years ago

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Eddi Din [679]

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3 years ago

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Please help, thank you :)

wolverine [178]

Answer:

y^6

Step-by-step explanation:

$\frac{y}{1} \times \frac{{y}^{5} }{1}$

${y}^{6}$

7 0

2 years ago

What is the lcm of 6 and 8

Dafna1 [17]

Answer:

Explanation:

Method 1

First, list the multiples of both numbers:

$undefined$

To find the lowest common multiple (LCM) of 6 and 8, first express the numbers as a product of its prime factors.

$\begin{gathered} 6=2\times3 \\ 8=2\times2\times2=2^3 \end{gathered}$

Next, pick the highest powers for each of the numbers:

$\begin{gathered} \text{LCM}=2^3\times3 \\ =8\times3 \\ =24 \end{gathered}$

5 0

1 year ago

Nga

andrezito [222]

Answer:

Step-by-step explanation:

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2 years ago