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Mathematics, 14.01.2022 23:30 xXFLUFFYXx

You want to buy a shirt that costs $14. Identify an inequality that represents the amount of money, x (in dollars), you will have left if you buy the shirt. You notice that the shirt is on sale for 30% off. Identify the new inequality

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Answers: 3

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Answer from: Quest

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation 3x- 15= 60, we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

3x- 15+(15)= 60+(15)\\3x=75

now we need to divide both sides of the equation by 3:

\frac{3x}{3}=\frac{75}{3}\\\\x=25

therefore, we can conclude that bea's uncle is 25 years old.

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Answer from: Quest

7.00 \cdot 10^{-7} m - 1\cdot 10^{-3} m

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

1 nm = 10^{-9} m\\1 mm = 10^{-3} m

let's start from the lower value, we have:

700 nm = 700 \cdot 10^{-9} m = 7.00 \cdot 10^{-7} m (we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

1 mm = 1 \cdot 10^{-3} m

so, the range of wavelength of infrared radiation is:

7.00 \cdot 10^{-7} m - 1\cdot 10^{-3} m

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Answer from: Quest

sounds & other waves originate from any vibrating object

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Answer from: Quest

x = 2

step-by-step explanation:

if sr parallel to ba then the sides bc and ac are in proportion, that is

\frac{sb}{cs} = \frac{ra}{cr} ← substitute values

\frac{4x+1}{2x} = \frac{13.5}{6} ( cross- multiply )

27x = 6(4x + 1)

27x = 24x + 6 ( subtract 24x from both sides )

3x = 6 ( divide both sides by 3 )

x = 2

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