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maksim [4K]
4 years ago
13

A quiz consists of 4 true-false questions. What is the probability of getting 100% on the quiz by randomly guessing the answer t

o all 4 questions?
1/2
2/5
1/16
Mathematics
2 answers:
Rudik [331]4 years ago
6 0
1/2 is the answer bc it is the best choice between them so
timofeeve [1]4 years ago
4 0
2/5... there's actually not a chance of getting a 100 so Ima go with 1/16 as my final answer
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HELP ME THIS IS DUE TODAY
sladkih [1.3K]

Answer: 340 students

Step-by-step explanation:

1)   1900-200=1700

2)   1700/5=340

<em>Hope this helps!</em>

4 0
3 years ago
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What is the value of 4a2+0.5a for a=0.5? please, someone, help please
Misha Larkins [42]

Answer:

4.25

Step-by-step explanation:

4 0
3 years ago
The volume of a cone is represented by the formula V = 1 T?n. If the volume of a cone is 30rt and the height is 2.5, what is the
Airida [17]

Answer:

radius is 3.38cm

Step-by-step explanation:

Note: the volume of a cone is given as

V= 1/3 \pi r^2 h

Step one:

Given Information

volume= 30cm^3

height= 2.5cm

Required

The radius of the cone

Step two:

substituting our data into the expression for the volume of a cone we can then solve for the radius r

30=1/3 *3.142*r^2 * 2.5\\\\30=1/3*7.855r^2\\\\30=2.62r^2\\\\

divide both sides by 2.62

30/2.62= r^2\\\\11.45= r^2\\\\r=\sqrt{11.45} \\\\r=3.38cm

7 0
3 years ago
Which of the following is an example of a random event?
serious [3.7K]
<span>a) a coin landing on heads when flipped, hope this helped</span>
6 0
4 years ago
a cookie factory uses 4 3/4 bags of flour in each batch of cookies. the factory used 9 1/2 bags of flour yesterday. how many bat
VMariaS [17]
The cookie factory made 2 batches of cookies.

<span>Steps

</span>1. Divide 9 and 1/2 by 4 and 3/4
 
    1            3          19           19          19          4          76
9 ---   <span>÷   4 ---</span>   =    ----     ÷   ----    =   ----    *   ----   =   ----   =   2
    2            4           2             4            2          19         38

2.  Check Your Answer, 4 and 3/4 times 2 should equal 9 and 1/2 if we are correct, if not we made a mistake.

    3                      19           2         38                       1
4  ---     *   2    =   ----    *    ---   =   ----  =  9.50  =  9 ---
    4                       4            1          4                        2

3. Conclusion - The cookie Factory Made 2 Batches of Cookies


4 0
3 years ago
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