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Kipish [7]
3 years ago
6

Tyler wrote the function f(x)=25x–15 to find the amount of money he would make after washing x cars. Select all of the values be

low that are in the domain of Tyler's function.
A) 2
B. 2.3
D. 7.1
E.) 10
Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0
The answer is A and E
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Complete the equation of the line through (-9,-9) and (-6,0)
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For this case we have that by definition, the equation of the line of the slope-intersection form is given by:

y = mx + b

Where:

m: It is the slope of the line

b: It is the cut-off point with the y axis.

According to the data of the statement we have the following points:

(x_ {1}, y_ {1}): (- 9, -9)\\(x_ {2}, y_ {2}): (- 6,0)

We found the slope:

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {0 - (- 9)} {- 6 - (- 9)} = \frac { 9} {- 6 + 9} = \frac {9} {3} = 3

Thus, the equation is of the form:

y = 3x + b

We substitute one of the points and find b:

0 = 3 (-6) + b\\0 = -18 + b\\b = 18

Finally, the equation is:

y = 3x + 18

Answer:

y = 3x + 18

7 0
3 years ago
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EleoNora [17]

Answer: x=-63/73

Step-by-step explanation:

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3 years ago
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Fleas reproduce at a rate of 29% per day. If there are 300 fleas now, how long until there are 1000?
fomenos

Answer:

11.49yrs

Step-by-step explanation:

300*29% = 87

87/ 1000 = 11.49 (symplified)

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Answer:

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