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kicyunya [14]
3 years ago
5

1. Find the inverse functions of the following a. f (x) = 5x +3

Mathematics
1 answer:
Mrac [35]3 years ago
8 0

Answer:

y = 5x + 3

x = 5y + 3

5y + 3 = x

5y = x - 3

y = x/5 - 3/5

f^-1(x) = x/5 - 3/5

Step-by-step explanation:

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Select the correct answer.
9966 [12]

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C

Step-by-step explanation:

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3 years ago
3) Washing your hands kills germs. If there are 275 germs chilling on your hands and
Romashka [77]

Answer:

So we can use geometric progression each time multiplying by 0.0475

so thats (275*0.0475)*10

So that means that we would get

130.625 so we subtract that from 275

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Step-by-step explanation:

4 0
3 years ago
Write an equivalent expression for the following by combining like terms: 4y − y + 7y
Assoli18 [71]
4y - y + 7y

4y - y = 3y

3y + 7y = 10y

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4 0
3 years ago
What is 3 to the fourth power in factor form​
nata0808 [166]

Answer:

3^4 = 81

Step-by-step explanation:

3x3x3x3

9x3x3

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4 0
3 years ago
Read 2 more answers
Peyton is collecting data on the lunch habits of students at Hyattsville Middle School. In one class, 14 students bring lunch fr
mart [117]

Answer:

Answer: Around 1000 students would buy a school lunch.

Step-by-step explanation:

We know that in one class, 14 students bring lunch from home, and 20 buy lunch in the school. This will be our sample.

In total we have 20 + 14 = 34 students, this will be our 100%.

The percentage of students that bring lunch from home can be estimated as the quotient between the number of students that bring lunch from home and the total number of students, times 100%.

p1 = (14/34)*100% = 41.18%

And the percentage of students that buy lunch at school can be computed in the same way:

p2= (20/34)*100% = 58.82%

Then, out of the 1700 students in middle school, we can estimate that around 58.82% of them will buy lunch in the school.

Then the exact number will be:

N = (58.82%/100%)*1700 = 1000

Around 1000 students would buy a school lunch.

7 0
2 years ago
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