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Sever21 [200]
4 years ago
8

You take a three-question true or false quiz. You guess on all the questions. What is the probability that you will get a perfec

t score?
Mathematics
1 answer:
Scrat [10]4 years ago
8 0
The probability of getting a perfect score is 1/2 or 50%
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Please solve and explain the question below
solong [7]

Answer:

OPTION A

Step-by-step explanation:

To find the table substitute the points on the given function and compare the values.

The given function is: $ y = x^2 + 2 $.

OPTION A:

(i) When x = -2

LHS = y = 6.

RHS = (-2)² + 2 = 4 + 2 = 6.

LHS = RHS

(ii) When x = -1

LHS = y = 3

RHS = (-1)² + 2 = 1 + 2 = 3.

LHS = RHS

(iii) When x = 0

LHS = y = 2

RHS = 0² + 2 = 2.

LHS = RHS

(iv) When x = 1

LHS = y = 3

RHS = (1)² + 2 = 1 + 2 = 3.

LHS = RHS

(v) When x = 2

LHS = y = 6

RHS = (2)² + 2 = 4 + 2 = 6

LHS = RHS

OPTION B:

(i) When x = -2

LHS = y = -2

RHS = (-2)² + 2 = 6

LHS \neq RHS

OPTION B is eliminated.

OPTION C:

(i) When x = -2

Using the same reason as OPTION B this option is eliminated as well.

So, OPTION A is the correct answer.

5 0
3 years ago
Whats the error?katie divided 4.25 by 0.25 and a got a quotient of 0.17.
m_a_m_a [10]
The answer is 17. The decimal point needed to be moved by 2 places to the right since the divisor is a decimal.
6 0
4 years ago
What is the value of x?
Olegator [25]

Answer:

48

Step-by-step explanation:

On either side of a line, there is an angle of 180.  This means that when two lines intersect, the angles on either side will equal 180.

To solve this problem, add the two angles and set it equal to zero.

(x + 34) + (2x + 2) = 180

x + 34 + 2x + 2 = 180

3x + 36 = 180

3x = 144

x = 48

The value of x is 48.

5 0
3 years ago
Hiiiiiii im soooooooo tired but i gotta clean my room lol
kumpel [21]

Answer:

lol

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
An art teacher needs to 5 boxes of markrrs to complete a project with a class of 20 students. How many boxes of markers will he
sleet_krkn [62]

20students : 5 boxes

Divided by 5

4students : 1 boxes

28students : x boxes

28/4 = 7

28students : 7 boxes

4 0
3 years ago
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