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3 years ago

How many different arrangements of the letters in the word SCHOOL are there? .

1 answer:

8 0

<span>Its a permutation with repetition sum.

The formula is : n! / (a! * b!)
where a = no. of Os = 2
b = no. of Ds = 2
n = total no. of letters in the word doodle = 6

Working: 6! / (2! * 2!)
= 6 x 5 x 4 x 3 x 2 x 1 / 2 x 1 x 2 x 1
= 180 Answer </span>

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Pablo is studying the function f(x) shown in the graph. He claims that he can transform the function to include ordered pair (2,

Lera25 [3.4K]

Answer:

Please show the graph.

Step-by-step explanation:

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4 years ago

Phone company charges you by the minute. Last month you used 125 minutes and your bill was 37.50. This month you used 175 minuet

timama [110]

Answer:

Step-by-step explanation:

since there is no constant all you need to do is divide 125 by 37.50

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3 years ago

Write an equation in standard form for the line that is parellel to the graph of -8x=5-4y and has a y-intercept -0.5

olga55 [171]

9514 1404 393

Answer:

C 4x -2y = 1

Step-by-step explanation:

The y-intercept of the offered choices can be found by dividing the constant by the y-coefficient.

A: not in standard form (coefficients are not integers)

B: 2/-5 = -2/5 . . . not -1/2

C: 1/-2 = -1/2 . . . a good candidate

D: 1/-1 = -1 . . . not -1/2

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3 years ago

How many solutions does the system y=6x-4 and y=4-6x have?

kotegsom [21]

Answer:

Step-by-step explanation:

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3 years ago

Find the average rate of change for f(x)=9x^2+3 over the interval [x,x+h].

butalik [34]

Answer:

$9h +18x$

Step-by-step explanation:

$\frac{f(x +h) -f(x)}{x+h -x} \\ \frac{9(x +h)^2 +3 -(9x^2 +3)}{h} \\ \frac{9(x^2 +2xh +h^2) +3 -9x^2 -3 }{h} \\ \frac{9x^2 +18xh +9h^2 +3 -9x^2 -3}{h} \\ \frac{9h^2 +18xh}{h} \\ 9h +18x$

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3 years ago