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blondinia [14]
3 years ago
5

Carol constructed a cube and marked each face with a number. She marked the faces with the numbers 1, 2, 2, 3, 3, and 4. If she

rolls the cube twice, what is the probability that the sum of the numbers will be exactly 7?
Mathematics
1 answer:
Naddika [18.5K]3 years ago
8 0

Answer:

1/7 is the probability that the sum of the numbers will be exactly 7.

Step-by-step explanation:

Sorry if wrong.

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5x- 1 >8x+23 what would the inequality be
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5x-1>8x+23

5x-8x>23+1

-4x>24

4x<-24

x<-24/4

x<-6
8 0
4 years ago
Write the slope intercept equation of a line that passes through points (-3,4) and (2, -6)
Setler [38]
Find slope by calculating rise over run.
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-2

Then plug one set of coordinates and the slope in to find the b value
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Final answer: y=-2x-2
8 0
3 years ago
Evaluate the expression when a=-3 and x=3.<br> 5x - a
NISA [10]
5(3)-(-3)
15- (-3)
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8 0
4 years ago
F(x) = 1/3x² – 3x² – 7<br> What kind o
Aleks04 [339]

Answer:f ( x - 1 ) = 3x² - 5x - 7

Step-by-step explanation:

3 0
4 years ago
Suppose that administrators at a large urban high school want to gain a better understanding of the prevalence of bullying withi
RSB [31]

Answer:   (0.273,\ 0.783)

Step-by-step explanation:

Given : Total number of students who are asked to complete a survey anonymously : n= 240

Number of students

The proportion report that they have experienced bullying =54

Then , the proportion that students have experienced bullying =p=\dfrac{54}{240}=0.225

Significance interval : \alpha=1-0.95=0.05

Critical value : z_{\alpha/2}=1.96

The confidence interval for the true proportion is given by :-

p\pm z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}\\\\=0.225\pm (1.96)\sqrt{\dfrac{(0.225)(1-0.225)}{240}}\\\\\approx0.225\pm0.0528\\\\=(0.255-0.528,\ 0.255+0.528)\\\\=(0.273,\ 0.783)

8 0
3 years ago
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