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kolbaska11 [484]
3 years ago
10

The probability of guessing correctly on 5 true- false questions is (3)". Express this probability as a fraction without exponen

ts.​
Mathematics
1 answer:
Free_Kalibri [48]3 years ago
5 0

3/5

Just do the 3 over the five

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The options are: 3/10, 65%, 3/7, 70%
den301095 [7]

Answer:

70%

Step-by-step explanation:

there are 20 total marbles and only 14 are not blue so 14/20 = 7/10 = 70%

4 0
3 years ago
What is the equation to the graph? <br>​
const2013 [10]

Answer:

y = -2/1 + 3

y = -2 + 3

either or

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3 years ago
Please help me!!!!!!!!!!!!!!!!!!!!
daser333 [38]
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6 0
2 years ago
What transformations are needed to change the parent cosine function to y=3cos(10(x-pi))?
LUCKY_DIMON [66]

Answer:

The graph of y=cos(x) is:

*Stretched vertically by a factor of 3

*Compressed horizontally by a factor  \frac{1}{10} .

*Moves horizontally \pi units to the rigth

The transformation is:

y=3f(10(x-\pi))

Step-by-step explanation:

If  the function y=cf(h(x+b))  represents the transformations made to the graph of y= f(x)  then, by definition:

If  0 then the graph is compressed vertically by a factor c.

If  |c| > 1 then the graph is stretched vertically by a factor c

If c  then the graph is reflected on the x axis.

If b> 0 The graph moves horizontally b units to the left

If b The graph moves horizontally b units to the rigth

If 0 the graph is stretched horizontally  by a factor \frac{1}{h}

If h> 1 the graph is compressed horizontally by a factor \frac{1}{h}

In this problem we have the function y=3cos(10(x-pi)) and our parent function is y = cos(x)

The transformation is:

y=3f(10(x-\pi))

Then c =3>1  and b =-\pi < 0 and h=10 > 1

Therefore the graph of y=cos(x) is:

Stretched vertically by a factor of 3.

Also as h=10 the graph is compressed horizontally by a factor  \frac{1}{10} .

Also, as b =-\pi < 0 The graph moves horizontally \pi units to the rigth

6 0
3 years ago
The difference of a number and 12 is 30.determin the number
ElenaW [278]
42 because 42-12=30 hope dis helped my guy
3 0
3 years ago
Read 2 more answers
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