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finlep [7]
3 years ago
5

The x-coordinate of the point that contains the ___?___ is always 0.

Mathematics
1 answer:
iogann1982 [59]3 years ago
7 0

The answer is the y- intercept.

The point where a graphed line crosses the x axis at 0 is the y-intercept of the graph.

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When f(x) = –3, what is x?<br><br> –29<br> –10<br> –3<br> –1
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Answer:

x = - 1

Step-by-step explanation:

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2nd option

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The zeros are the points on the x- axis where the graph crosses.

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On a math test 12 students earned an a this number is exactly 25% of the total number of students in the class how many students
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48 students.

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Read 2 more answers
Water whose temperature is at 100∘C is left to cool in a room where the temperature is 60∘C. After 3 minutes, the water temperat
Tju [1.3M]

Answer:

21.68 minutes ≈ 21.7 minutes

Step-by-step explanation:

Given:

T=60+40e^{kt}

Initial temperature

T = 100°C

Final temperature = 60°C

Temperature after (t = 3 minutes) = 90°C

Now,

using the given equation

T=60+40e^{kt}

at T = 90°C and  t = 3 minutes

90=60+40e^{k(3)}

30=40e^{3k}

or

e^{3k}=\frac{3}{4}

taking the natural log both sides, we get

3k = \ln(\frac{3}{4})

or

3k = -0.2876

or

k = -0.09589

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65=60+40e^{( -0.09589)t}

or

5=40e^{( -0.09589)t}

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e^{( -0.09589)t}=\frac{5}{40}

or

e^{( -0.09589)t}=0.125

taking the natural log both the sides, we get

( -0.09589)t = ln(0.125)

or

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or

t = 21.68 minutes ≈ 21.7 minutes

6 0
3 years ago
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