What is the solution to y = 0.7x for the replacement set x = {2}?.

Answers

Answer 1

Answer: The question ask to solve and compute the said problem if x = 2 and the equation is y=0.7x. In that alone, the value of y is 1.4 so it means its solution, by means of representing it coordinate, it should be (2,1.4). I hope you are satisfied with my answer and feel free to ask for more

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A tank holding 600 liters of milk is leaking. Each week it loses 60 liters of milk. Let M be the liters of milk remaining in the tank after leaking for t weeks.Is M a linear function or an exponential function?

Why?

Answers

linear, because the tank will eventually be empty. In about 10 weeks

Final answer:

The liters of milk remaining in the tank after leaking for t weeks is represented by an exponential function. An exponential function is a mathematical function in which the independent variable appears as an exponent.

Explanation:

The function that represents the liters of milk remaining in the tank after leaking for t weeks is an exponential function. An exponential function is a mathematical function in which the independent variable appears as an exponent. In this case, the liters of milk lost each week is constant, so the amount of milk remaining in the tank is decreasing exponentially over time.

Formula for exponential decay: M = P * (1 - r)^t, where M is the amount of milk remaining, P is the initial amount of milk, r is the rate of decay, and t is the number of weeks.

In this case, the initial amount of milk, P, is 600 liters and the rate of decay, r, is 60/600 = 0.1 (10%). So the exponential function that represents the liters of milk remaining after t weeks is M = 600 * (1 - 0.1)^t.

Learn more about Exponential decay here:

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If the price of an object dropped 65% down to $99.99, what was the original price?

Answers

If the price of an object dropped 65% down it means that 35% is $99.99, well,
then we make a proportion and solve 99.99 multiply by 100 and divide by 35,
then we get the original price $285,7

maybe I have a mistake)

The answer is 153.83. Because if you multiply 99.99 by .65, thats the answer

Directions: For problems 1-9 evaluate and simplify the following expressions. Remember that when writing algebraic expressions, it’s best to order them from the greatest amount of variables and coefficients to the least, and also place the variables in alphabetic order. For example, it’s best to write: 3 + 4x + y as 4x + y + 3. They both have the same value though regardless of the order.1. 2(x + 6) – 4 + x

2. (x +4) • 9

3. y + 7 + 8 – 7(x -8)

4. (4 – 5) + x(6 – 8)

5. y(4 – 8) – 3y

6. x + 8y – 16x(1- 3)

7. 82 – x(4 – 8) + √25

8. 53 – 4(y – 7y) - √81

9. x2 – 4 – 5y - √36 • √144 + 23(x – 5x)

Directions: For problems 10-14 solve the following expressions by substituting these values: x = 2, y = 3.

10. y(4 – 8) – 3y

11. x + 8y – 16x(1- 3)

12. 82 – x(4 – 8) + √25

13. 53 – 4(y – 7y) - √81

14. x2 – 4 – 5y - √36 • √144 + 23(x –5x)

Answers

Answer:

Step-by-step explanation:hutcryketkdrfyhgjbnm

Help on solving for x

Answers

$(x)/(e^5)=e^(-4)|\cdot e^5\nx=e^(-4)\cdot e^5\nx=e\approx2.72$

How can you use addition and subtract to put together and separate measures of an angle and its parts

Answers

How can you use addition and subtract to put together and separate measures of an angle and its parts

Adding and Subtracting angles can be put this way.
Complementary angles can be formed by two angles with total of 90 degrees.
Supplementary angles can be formed by two angles with total of 180 degrees.

X + Y = 90 degrees
Y = 90 - X
X = 90 - Y

X + Y = 180 degrees
Y = 180 - X
X = 180 - Y

in a swimming race, a student swam the first 50 meters in 42 seconds. she swam the secons 50 meters in 40 seconds. what was the students average speed during the race?

Answers

All you have to do is add 40 and 42 together and divide by 2. It's basically finding the mean.

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