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Lisa [10]
3 years ago
8

Ok I need help um thanks :)

Mathematics
2 answers:
strojnjashka [21]3 years ago
8 0

Answer:

40% male and 60% female

Step-by-step explanation:

Add all the experiments, and then divide the variables by the number of experiments

Variables :T and H

Galina-37 [17]3 years ago
4 0

Answer:

The answer would be: B.

Step-by-step explanation:

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mylen [45]

Answer:

(0, -3)

Step-by-step explanation:

The vertex is halfway between the directrix and the focus.  The vertex is at (0, 0) and the directrix is a (0, 3).  There are 3 units between them, so that means that the focus is 3 units the other way at (0, -3).

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4 years ago
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A function f is given by the formula f(x)=a⋅ekx for constants a and k. we also know that f(4)=12 and f(7)=5. find numerical valu
masha68 [24]

The given function is

f(x) = a e^{kx}

And it is given that f(4)=12

On using this information, we will get

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5= ae^{7k}

Dividing both equations, we will get

\frac{12}{5} = e^{4k-7k}

Taking ln to both sides

ln( \frac{12}{5} ) = -3k

k = -0.29

Performing back substitution ,

12 = a e^{-0.29*4}
\\
a =38.28

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What are the possible solutions to a linear equation and how could you determine the number of
Maksim231197 [3]

Answer:

A system of two equations can be classified as follows: If the slopes are the same but the y-intercepts are different, the system has no solution. If the slopes are different, the system has one solution. If the slopes are the same and the y-intercepts are the same, the system has infinitely many solutions.

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