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lukranit [14]
3 years ago
12

How do do I find how many times faster is the cheetah over a human? Number 15

Mathematics
1 answer:
levacccp [35]3 years ago
5 0
I thinks it is b .i hope this help you      
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Find f(x) and g(x) so that the function can be described as y = f(g(x)).<br><br> y = 4/x^2+9
dlinn [17]

I'm assuming all of (x^2+9) is in the denominator. If that assumption is correct, then,

One possible answer is f(x) = \frac{4}{x},  \ \ g(x) = x^2+9

Another possible answer is f(x) = \frac{4}{x+9}, \ \ g(x) = x^2

There are many ways to do this. The idea is that when we have f( g(x) ), we basically replace every x in f(x) with g(x)

So in the first example above, we would have

f(x) = \frac{4}{x}\\\\f( g(x) ) = \frac{4}{g(x)}\\\\f( g(x) ) = \frac{4}{x^2+9}

In that third step, g(x) was replaced with x^2+9 since g(x) = x^2+9.

Similar steps will happen with the second example as well (when g(x) = x^2)

4 0
3 years ago
Joe decides to take his six year old son to the planetarium. The price for the child's ticket is 5.75 dollars less than the pric
mart [117]
To answer this item, we are instructed that the price of the ticket for the children is equal to x. Since, we are also given that this is 5.75 less than the price of tickets for the adults, we may express this as follows,

    x = n - 5.75

n is the price of ticket for the adults. This can be calculated by transposing 5.75 to the other side of the equation,

   n = x + 5.75

The answer is the third choice. 
6 0
3 years ago
Which diagram shows parallel lines cut by a transversal? 2 lines are cut by a transversal. At the intersection of the first line
AlekseyPX

Answer:

c.

Step-by-step explanation:

2 lines are cut by a transversal. At the intersection of the first line with the transversal, the bottom right angle is 130 degrees. At the intersection of the second line with the transversal, the uppercase right angle is 50 degrees.

6 0
3 years ago
Read 2 more answers
A line on a graph shows a proportional relationship between the amount of almonds, x, in grams and the total calories y. Two poi
qaws [65]
C. 5.75 calories per gram

Edit: 287.5÷50=5.75
402.5÷70=5.75
4 0
3 years ago
Read 2 more answers
Point B is between A and C BC = 11 CM and AC = 17 CM what is AB
yaroslaw [1]
AB is 6 because you just subtract BC from AC to find the other missing length.
5 0
3 years ago
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