4.5 + pi (3.14) is

Mathematics

1 answer:

sweet [91]3 years ago

6 0

<span>b because
</span><span>irrational because it is a repeating decimal.</span>

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A bouncing you reaches a height of 64 inches at its first peak, 48 inches at its second peak, and 36 inches at its third peak. W

IRINA_888 [86]

Answer:

f(n) = 64(3/4)^(n-1).

Step-by-step explanation:

The common ratio is 48/64 = 36/48 = 3/4.

For a GS nth term = a1 r^(n-1) where r = the common ratio, a1 = the first term, and n = the number of peaks reached.

The axplicit function is 64(3/4)^(n-1).

8 0

4 years ago

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I reallyyyy do neeed some help with this ?? I keep getting them wrong ;(

Aleks [24]

The angle adjacent to angle 3 = 45 The figure is a kite and the long diagonal cuts the top angle in 2 Therefore < 3 = 45 degrees.

4 0

3 years ago

The graph of a quadratic function having the form f(x) = ax? + bx + c passes

insens350 [35]

Answer:

f(-3) = -20

Step-by-step explanation:

We observe that the given x-values are 3 units apart, and that the x-value we're concerned with is also 3 units from the first of those given. So, a simple way to work this is to consider the sequence for x = 6, 3, 0, -3. The corresponding sequence of f(x) values is ...

34, 10, -8, ?

The first differences of these numbers are ...

10 -34 = -24

-8 -10 = -18

And the second difference is ...

-18 -(-24) = 6

For a quadratic function, second differences are constant. This means the next first-difference will be ...

? -(-8) = -18 +6

? = -12 -8 = -20

The value of the function at x=-3 is -20.

_____

The attachment shows using a graphing calculator to do a quadratic regression on the given points. The graph can then be used to find the point of interest. There are algebraic ways to do this, too, but they are somewhat more complicated than the 5 addition/subtraction operations we needed to find the solution. (Had the required x-value been different, we might have chosen a different approach.)