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VikaD [51]
3 years ago
6

Which of the following number sentences is true?

Mathematics
2 answers:
Levart [38]3 years ago
8 0
D, a double negative is always a positive
Dimas [21]3 years ago
3 0
D because a negative - becomes a positive when multiplied or divided by another negative
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Connor earned $85 at his job when he worked for 10 hours. What was his hourly pay rate in dollars per hour?
Rus_ich [418]

Answer:

8.5$

Step-by-step explanation:

85 diveded by 10 is 8.5$.

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The total cost for 8 bracelets, including shipping was $54. The shipping charge was $6. Define your variable and write an equati
Alenkasestr [34]
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Please give a explanation :)<br> i will mark as brainliest!!
Fynjy0 [20]

Answer:

x=12 y=3

Step-by-step explanation:

Since the scale factor is 1:3, that means that the length and width of Q multiplied by 3 gives the corresponding length and width of P.

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With this, 9/3=3, which is the value of y.

4*3=12, which is the value of x.

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3 years ago
Nathan just bought a car. He models the value, V, in dollars, of the car after t years as V(t)=21,000(0.861)^t. Based on this mo
Snezhnost [94]

Answer:

Value of the car is decreasing by 13.9% each year.

Step-by-step explanation:

This equation tells us V(t) is the value of the car after a certain time in years, $21,000 is the initial value of the car.  What we need to focus on is on the 0.861 part of this equation.  This means that the price of the car is worth 0.861 or 86.1% of what it was worth the year prior, this means that the price of the car is decreasing over time.  By how much is it decreasing? Well if we consider 1 to mean 100% (since 100 / 100 =1) then we have 100%-86.1%=13.9%.  This means that the value of the car is decreasing 13.9% each year.

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3 years ago
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