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pav-90 [236]
2 years ago
14

What is the amount of sales tax owned in a $39 jacket if the tax rate is 5%

Mathematics
1 answer:
nadya68 [22]2 years ago
3 0

Answer:

$1.95

Step-by-step explanation:

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A bean plant grows at a constant rate for a month. After 10 days, the plant is 25 centimeters tall. After 20 days, the plant is
wariber [46]
Y = 2x + 5

If you take the height at 10 days, 25 centimeters, after 10 more days the height is 45 centimeters, meaning for those 10 extra days the been plant grown 20 centimeters. Since we're told the plant is growing at a constant rate, this shows the bean plant is growing 2 centimeters per day. We can represent this with y = 2x. (After 10 days, the bean plant will be 20 centimeters, after 20 days, the bean plant will be 40 centimeters, etc.)

However, this is not completely true yet. As you can see, after the first 10 days the plant is not 20 centimeter, it's 25 centimeters. We already know the rate in which the plant is changing, but now we need to find the height that the plant was originally, before it started growing.

After the first 10 days, the plant is 25 centimeters tall. Since we know that the plant is growing 2 centimeters per day, we can subtract 20 from 25 to find the original height of the bean plant.

25 - 20 = 5
The bean plant was originally 5 centimeters.

This makes our final equation y = 2x + 5.
2x is the slope, and 5 is the y intercept.

Hope this helps1!
5 0
2 years ago
Determine which of the following function have a positive rate of change. Explain your answer.
olga2289 [7]

Answer:

  y = 2x - 11

Step-by-step explanation:

The "rate of change" is the coefficient of x when the function is written in this form:

  y = mx + b

That coefficient will be positive when the function has a positive rate of change.

  y = 2x - 11 . . . has a positive rate of change

3 0
3 years ago
Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest
PIT_PIT [208]

Answer:

Easy. 7 because the greatest amount of people is 10 and above it is 7 x's!!!!

6 0
2 years ago
Read 2 more answers
Solve for X when m&lt;2 = 8x <br><br> (I don’t really understand how to solve this. Please help??)
lozanna [386]

Answer:

x = 1/4

Step-by-step explanation:

First u swap the sides of the equation

8x = 2

then you divide both sides by 8 which gets you 1/4 or 0.025

6 0
2 years ago
Find each quotient. Write in simplest form. keep answer as fraction - not decimal
barxatty [35]

mn^2 / 4 divided by m^2n / 8

is simplified to

2n / m

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3 years ago
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