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Mandarinka [93]
3 years ago
13

Probability is a measure of how likely an event is to occur. write the probability of the following statements:

Mathematics
1 answer:
attashe74 [19]3 years ago
7 0

Step-by-step explanation:

This is a probability related question, let the event be E

We know that the likelihood of an event happening is given as

Pr(E)=1

if an event will not occur the probability is

Pr(E)=0

a. This event is impossible: Pr(E)=0

b.This event will occur more often than not, but is not extremely likely:  

Pr(E)=0<E>0.5

c.This event is extremely unlikely, but it will occur once in a while in a long sequence of trials:

Pr(E)=0<E<0.5

d.This event will occur for sure: Pr(E)=0

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A rectangle has a height of 4 and a width of x2 + 3x + 2.
otez555 [7]
<h3><u>Given</u>:</h3>
  • A rectangle has a height of 4 and a width of x² + 3x + 2.

<h3><u>To find</u>:</h3>
  • The area of the entire rectangle.

<h3><u>Solution</u>:</h3>

Hence, we know that area of rectangle is equals to the product of length and breadth.

Therefore, the area of rectangle is,

= 4 \times( {x}^{2}  +3x + 2 ) \\   = 4({x}^{2}  + 3x + 2) \\  =   \green{ \boxed{4 {x}^{2}  + 12x + 8}}

Therefore, the answer is 4x² + 12x + 8.

5 0
3 years ago
If the 1500-lblb boom ABAB, the 220-lblb cage BCDBCD, and the 169-lblb man have centers of gravity located at points G1G1, G2G2
ANEK [815]

Answer:

 (M)_a = -8171 lb-ft

Step-by-step explanation:

Step 1:

- We will first mark each weight from left most to right most.

               Point:                      Weight:                             Moment arm r_a

               G_3                          W_g3 = 169                     30*Cos(75) + 4.25

               G_2                          W_g2 = 220                    30*Cos(75) + 2.5

               G_1                           W_g1 = 1500                    10*cos(75)

Step 2:

- Set up a sum of moments about pivot point A, the expression would be as follows:

(M)_a = -W_g3*(30cos(75) + 4.25) - W_g2*(30*Cos(75) + 2.5) - W_g1*10*cos(75)

Step 3:

- Plug in the values and solve for (M)_b, as follows:

    (M)_a = -169*(30cos(75) + 4.25) - 220*(30*Cos(75) + 2.5) - 1500*10*cos(75)

    (M)_a = -2030.462559 -2258.205698 - 3882.285677

    (M)_a = -8171 lb-ft

4 0
3 years ago
Which number produces a rational number when multiplied by 1/5
valentinak56 [21]

Answer:

-2/3

Step-by-step explanation:

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2 years ago
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Janice wants to create a test containing 20 questions worth 50 points. If Janice creates questions worth either __two points or
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15 two points and 5 two points
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Logan measured a line to be 7.4 inches long. If the actual length of the line is 7.7 inches, then what was the percent error of
algol13

Answer:

3.9%

Step-by-step explanation:

Percentage error

=  \frac{7.7 - 7.4}{7.7}  \times 100 \\  \\  =  \frac{0.3}{7.7}  \times 100 \\  \\   =  \frac{300}{77}  \\  \\  = 3.8961039    \\  \\  = 3.9 \%

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3 years ago
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