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sukhopar [10]
2 years ago
9

Which of the following pairs of functions are inverses of each other​

Mathematics
1 answer:
nirvana33 [79]2 years ago
3 0

Answer:

c would be the answer you are looking for and please mark brainliest

Step-by-step explanation:

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One hundred grams of radium are stored in a container. The amount RR (in grams) of radium present after tt years can be modeled
drek231 [11]

Answer:

6967 years

Step-by-step explanation:

Given the exponential function :

R=100e−0.00043t

Time = t in years

R = final amount

Number of years in which only 5 grams of radium will be present :

R = 5

Plugging into our formula :

5 = 100 * e^−0.00043t

5 / 100 = e^−0.00043t

0.05 = e^−0.00043t

Take the In of both sides

−2.995732 = - 0.00043t

t = −2.995732 / - 0.00043t

t = 6966.819

t = 6966.819 years

t = about 6967 years

8 0
3 years ago
A new car is purchased for 16600 dollars. The value of the car depreciates at 9.75% per year. What will the value of the car be,
Ket [755]
A=16600(1-0.0975)^8
A==7,306.10
3 0
3 years ago
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Please help me I’ve been stuck I’ll mark you as brainliest if you answer and give 5 stars
zalisa [80]

Answer:

the sum of exterior angles of a polygon is 360°

3 0
3 years ago
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Dr. Smith's office is open 8 hours a day. The doctor allows 25 minutes for office
Viefleur [7K]

Answer:

Step-by-step explanation:

6 0
2 years ago
In a right triangle, the acute angles measure x + 15 and 2x degrees.
Valentin [98]

Answer:

50°

Step-by-step explanation:

x+15+2x=90

3x=90-15=75

x=75/3=25

one acute angle=25+15=40°

other acute angle=2×25=50°

7 0
3 years ago
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