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LekaFEV [45]
3 years ago
11

A student ran out of time on a multiple choice exam and randomly guessed the answers for two problems. Each problem had 5 answer

choices- a, b, c, d, e- and only one correct answer. What is the probability that he answered both of the problems correctly? Write your answer as a fraction in simplest form.
Mathematics
1 answer:
dsp733 years ago
6 0
2 problems and 5 answer choices = 5 x 5 = 25 possibilities

1 correct answer out of 5 = 1/5
1/5 x 1/5 = 1/25
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Answer:

The radical form of 3 2/3 is

\sqrt[3]{3 {}^{2} }

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3 years ago
B<br> 6x+7<br> 3x+c<br> 2x-1<br><br> What is the value of c in degrees
andreev551 [17]

Answer:

1.x=15

2.<A=29

Step-by-step explanation:

(2x-1)+(3x+9)+(6x+7)=180

2x-1+3x+9+6x+7=180

11x+15=180

11x=180-15

11x=165

x=165/11

x=15

2.<A=2x-1

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3 0
2 years ago
Solve for k: 8k + 2m=3m+4
Andreyy89

Isolate the k. Note the equal sign. What you do to one side, you do to the other.

First, subtract 2m from both sides

8k + 2m (-2m) = 3m (-2m) + 4

8k = m + 4

Next, divide 8 from both sides

(8k)/8 = (m + 4)/8

k = (m + 4)/8

k = m/8 + 1/2

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hope this helps

6 0
3 years ago
The 8 students in Mrs. Allen's class were asked how many minutes it takes them to get to school in the morning. Here is what the
swat32

Answer:

Mean: 8,75

Median: 7,5

Step-by-step explanation:

To find Mean

To find the mean data you have to put data all set in order:

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Then, all of the numbers in the data set added together and then divided by how many numbers in the data that already put in order:

3 + 4 + 6 + 6 + 9 + 12 + 15 + 15 = 70

There are 8 numbers in the data so divide 70 by 8:

70 ÷ 8 = 8,75

----

To find Median

The median is in the middle number of the data that already in order. Which is number 6 and 9.

Median = (6 + 9) ÷ 2

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3 0
3 years ago
What is the image of (5,-8)(5,−8) after a reflection over the x-axis?
velikii [3]

Answer:

(5,8)

Step-by-step explanation:

(x,y) --> (x,-y)

3 0
3 years ago
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