3 years ago

If a point is equidistant from the endpoints of a segment then so

1 answer:

6 0

Answer: If a point is equidistant from the endpoints of a segment, then the point is on the perpendicular bisector of the segment.

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Write an exponential function y=ab^x whose graph passes through (1,6) and (3,54)

ehidna [41]

$y=ab^x\\\\(1;\ 6)\to x=1;\ y=6\\(3;\ 54)\to x=3;\ y=54\\\\\text{substitute the values of x and y to the equation}\\\\ \left\{\begin{array}{ccc}6=ab^1&\to&a=\dfrac{6}{b}^{(*)}\\54=ab^3\end{array}\right\\\\\text{substitute (*) to the second equation}\\\\54=\dfrac{6}{b}\cdot b^3\\\\54=6\cdot b^2\ \ \ \ |:6\\\\b=9\to b=\sqrt9\to b=3 \\\\\text{substitute the value of b to the (*)}\\\\a=\dfrac{6}{3}=2\\\\\text{Answer:}\ y=2\cdot3^x$

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3 years ago

Nan is 20 year old. In 8 years,she will be twice as old as Clarisse.how old is clarisse now?

slega [8]

Answer:

Step-by-step explanation:

The equation for this problem would be c = (20 + 8) / 2 - 8. Add 20 and 8 to get 28, divide 28 by 2 to get 14, then subtract 8 to get 6.

8 0

2 years ago

if the probability of a train being on time is 0.24 and the probability of it being late is 0.66 what is the probability of it b

padilas [110]

0.24 + 0.66 = 0.90
1 - 0.90 = 0.10

6 0

3 years ago

Hey Please help i’m taking a test . i will mark you brainlist. thanks

mart [117]

Answer:

x=56

Step-by-step explanation:

72+89+99+3x+2x=540

8 0

3 years ago

Help plz I need this answer

meriva

The y-intercept is (0, 2). Only choices C and D will give that value. Of those, choice C is a decreasing exponential, while choice D is an increasing one (as shown in the graph).

The best selection is
D. F(x) = 2(2.1)^(2x)

4 0

4 years ago