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Paladinen [302]
3 years ago
13

Haley's softball team has a phone tree in case a game is cancelled. The coach calls three players. THen each of those players ca

ll three players, and so on how many players will be notified during the third round of calls
Mathematics
1 answer:
Ksju [112]3 years ago
6 0

Answer:

27

Step-by-step explanation:

If we follow the amount of players called,

Coach called three/3

Players called three/3

Three players called three/3

And make it into a equation, 1 x 3 = 3

Those three people call three more: 3 x 3 = 9

Those nine people call three more: 9 x 3 = 27

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a parabola has an x-intercept at 2, its axis of symmetry is the line x=4, and the y-coordinate of its vertex is 6. Determine the
nlexa [21]

Answer:

The standard equation of the parabola is:

y=-\frac{3}{2}x^2+12x-18

Step-by-step explanation:

An x intercept of 2 means that the point (2, 0) is in the graph of the parabola.

We can also write the general expression for the parabola in vertex form, since we can use the information on the coordinates of the vertex: (4, 6) - recall that the axis of symmetry of the parabola goes through the parabola's vertex, so the x-value of the vertex must be x=4.

y-y_{vertex}=a\,(x-x_{vertex})^2\\y-6=a\,(x-4)^2

Now we can find the value of the parameter "a" by using the extra information about the point (2, 0) at which the parabola intercepts the x-axis:

y-6=a\,(x-4)^2\\0-6=a\,(2-4)^2\\-6=a\,4\\a=-\frac{6}{4} =-\frac{3}{2}

Then the equation of the parabola becomes:

y-6=-\frac{3}{2} \,(x-4)^2\\y-6=-\frac{3}{2} (x^2-8x+16)\\y-6=-\frac{3}{2}x^2+12x-24\\y=-\frac{3}{2}x^2+12x-18

7 0
3 years ago
What is 1.20 rounded to the nearest tenth
alexandr1967 [171]

Answer:

1.20

Step-by-step explanation:

Because .2 is in the tenths place and 0 is the hundredths so you round the hundredths to the tenths and since its 0 then it stays the same.

5 0
3 years ago
Gcf (greatest common factor) of 9ab and 16bc
maw [93]
the greatest common factor is 1
7 0
3 years ago
What is the other endpoint of the segment with midpoint 23 and endpoint 27
dedylja [7]

Answer:

19

Step-by-step explanation:

Difference between one end point and mid point

= 27 - 23 = 4

Other endpoint = 23 - 4 = 19

3 0
3 years ago
Read 2 more answers
Rewrite the following expression without using absolute value. lz-6l-lz-5l if z<5
MA_775_DIABLO [31]

The expression without using absolute value is 2z - 11

<h3>Absolute value of a function</h3>

Given the expression with absolute value expressed as:

lz-6l-lz-5l

Since absolute function can both be negative or positive, hence;

lz-6l-lz-5l = z - 6 - -(z - 5)

lz-6l-lz-5l = z-6-(-z+5)

lz-6l-lz-5l = z - 6 + z - 5

lz-6l-lz-5l = 2z - 11

Hence the expression without using absolute value is 2z - 11

Learn more on absolute value here: brainly.com/question/729268

#SPJ1

6 0
2 years ago
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