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madreJ [45]
2 years ago
12

Find the decay factor from the equation y = 453(0.87)^4

Mathematics
1 answer:
dybincka [34]2 years ago
7 0

The decay factor of the equation given in the task content is; 0.87.

<h3>What is the decay factor from the equation?</h3>

According to the task content; the equation given is; y = 453(0.87)^4.

By comparison with exponential decay functions, it follows that the decay factor from the equation given is; 0.87 which insinuates that the factor of change after each decay is 0.87.

Read more on decay factor;

brainly.com/question/1522819

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What is the area of this quadrilateral?<br> 3 ft<br> 4 ft<br> 3 fty
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Answer:

D

Step-by-step explanation:

12 square feet

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2 years ago
The line x+ 2y = 9 intersects the curve xy + 18 = 0 at the points A and B. Find the coordinates of A and B.
victus00 [196]
Subtracting the second equation by 18 on both sides, we have xy=-18. Next, we divide both sides by x to get y=-18/x  Plugging that into the first equation, we have x+2(-18/x)=9. Multiplying both sides by x, we get x^2-36=9x. After that, we subtract both sides by 9x to get x^2-9x-36=0. Finding 2 numbers that add up to -9 but multiply to -36, we do a bit of guess and check to find the answers to be -12 and 3. Factoring it, we get 
x^2-12x+3x-36=x(x-12)+3(x-12)=(x+3)(x-12). To find the x values, we have to find out when 0=(x+3)(x-12). This is simple as when you multiply 0 with anything, it is 0. Therefore, x=-3 and 12. Plugging those into x=-18/y, we get x=-18/y and by multiplying y to both sides, we get xy=-18 and then  we can divide both sides by x to get -18/x=y. Plugging -3 in, we get -18/-3=6 and by plugging 12 in we get -18/12=-1.5. Therefore, our points are (-3,6) and (12, -1.5)
6 0
3 years ago
A pet store donated a percent to very sale to hospitals. The total sales were $9,925 so the store donated $397. WHat percent of
const2013 [10]

Answer:

4%

Step-by-step explanation:

\frac{part}{entirety} *100

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4 0
2 years ago
Suppose you want to go to the ice skating rink and it costs $8 to rent ice skates and $3.75 per hour to skate, write an equation
8_murik_8 [283]

Answer:

c=8+3.75x, where:

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Step-by-step explanation:

From the information given, the cost to go to the ice skating ring is equal to the cost to rent ice skates plus the result of multiplying the cost to skate per hour for the number of hours and the equation would be:

c=8+3.75x, where:

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8 0
2 years ago
PLS HELP HURRY NEED rigGHT ANWSER
Alex787 [66]

Answer:

(3, -4)

Step-by-step explanation:

Lines are intersecting at points (3, -4).

So, the solution of the given system of equations is (3, -4).

Hope it helps you in your learning process.

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2 years ago
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