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LUCKY_DIMON [66]
3 years ago
14

Number 4 please thank you.

Mathematics
2 answers:
cestrela7 [59]3 years ago
7 0
9 * x < ( with the line under it) 48
Mumz [18]3 years ago
6 0
9x < 58

(Just put a line under the less than sign to make it a less than or equal sign, there is no less than or equal sign on my keyboard, sorry haha)

the word “is” means “equals” in math, and “a number” is just a variable like x or y.
You might be interested in
According to the American Lung Association, 7% of the population has lung disease. Of those having lung disease, 90% are smokers
postnew [5]

Answer:

Probability that a smoker has lung disease = 0.2132

Step-by-step explanation:

Let L = event that % of population having lung disease, P(L) = 0.07

So,% of population not having lung disease, P(L') = 1 - P(L) = 1 - 0.07 = 0.93

S = event that person is smoker

% of population that are smokers given they are having lung disease, P(S/L) = 0.90

% of population that are smokers given they are not having lung disease, P(S/L') = 0.25

We know that, conditional probability formula is given by;

                        P(S/L) = \frac{P(S\bigcap L)}{P(L)}  

                        P(S\bigcap L) = P(S/L) * P(L)

                                      = 0.90 * 0.07 = 0.063

So,  P(S\bigcap L) = 0.063 .

Now, probability that a smoker has lung disease is given by = P(L/S)

      P(L/S) = \frac{P(S\bigcap L)}{P(S)}

P(S) = P(S/L) * P(L) + P(S/L') * P(L')

       = 0.90 * 0.07 + 0.25 * 0.93 = 0.2955

Therefore, P(L/S) = \frac{0.063}{0.2955} = 0.2132

Hence, probability that a smoker has lung disease is 0.2132 .

7 0
3 years ago
40 POINTS!!!! ANSWER CORRECTLY PLZ
Grace [21]

Answer:

5. ○ \displaystyle \frac{25}{48}

4. ○ \displaystyle \frac{25}{46}

3. ○ \displaystyle \frac{31}{100}

2. ○ \displaystyle \frac{3}{4}

1. ○ \displaystyle \frac{27}{50}

Step-by-step explanation:

5. \displaystyle \frac{25}{23 + 25} = \frac{25}{48}

4. \displaystyle \frac{25}{46} = \frac{25}{21 + 25}

3. \displaystyle Flat-out\:given\:to\:you

2. \displaystyle \frac{21 + 23 + 31}{100} = \frac{75}{100} = \frac{3}{4}

1. \displaystyle \frac{31 + 23}{100} = \frac{54}{100} = \frac{27}{50}

I am joyous to assist you anytime.

7 0
3 years ago
Harry's parrot is 11 years older than his cat.
Sav [38]

Answer:

The answer to your question is:   P = 17 years

Step-by-step explanation:

Data

Parrot = 11 years older than the cat

C = cat age

P = parrot age

P = ? when C = 6

Process

              P = C + 11

              P = 6 + 11

             P = 17 years

8 0
3 years ago
A square is made up of an L-shaped region and three transformations of the region. If the perimeter of the square is 40 units, w
Mila [183]

Answer:

20 units

Step-by-step explanation:

This implies that the square can be divided into four equal L-shaped regions. These regions with respect to transformation forms a square.

Perimeter of the square is 40 units. Since a square has equal length of sides, thus each side of the square is 10 units.

Thus, each L-shape region has dimensions; 8 units, 5 units, 5 units and 2 units.

Perimeter of each L-shape region = the addition of the length of each side of the shape

Perimeter of each L-shape region = 8 + 5 + 5 + 2

                                                         = 20 units

3 0
3 years ago
Consider the original complex figure and the reduction.
Dmitriy789 [7]

Answer:

1/8

Step-by-step explanation:

I'm going to try to explain this as easy as possible. What I did was take the original shape and divide it by the new shape. For this question, I solved it by dividing 32(the original base) by 4(the new base) and got 8. So the scale factor of the reduction was 1/8.

8 0
3 years ago
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