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Lemur [1.5K]
3 years ago
14

One day, 18.75 % of the 32 people in your class were sick. How many of your classmates were sick that day

Mathematics
1 answer:
Bond [772]3 years ago
5 0

Answer:

Step-by-step explanation:

6

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The probabilities of landing on 1, on 2, on 3, on 4, on 5 or on 6 when rolling a biased dice are shown in the table below.
ira [324]

Answer:

99

Step-by-step explanation:

P(3) = 1-0.88 = 0.12

P(3 or 4) = 0.12 + 0.21 = 0.33

Expected no. = no

= 300(0.33) = 99

8 0
4 years ago
Simplify (9a2‐18ab + 9b2 -25c2) ÷ (3a–3b+5c) brainly​
Pani-rosa [81]

Answer:

3a-3b-5c

Step-by-step explanation:

((3a-3b)²-(5c)²)÷(3a-3b+5c)=((3a-3b-5c)(3a-3b+5c))÷(3a-3b+5c)=3a-3b-5c

7 0
3 years ago
Your family goes to a Southern-style restaurant for dinner. There are 5 people in your
AURORKA [14]
x-number\ of\ people\ who\ ordered\ chicken\\5-x-number\ of\ people\ who\ ordered\ steak\\\\13x+18(5-x)=80\\13x+90-18x=80\\13x-18x=80-90\\-5x=-10\ \ \ \ \ |:-5\\x=2\\\\5-2=3\\\\a)\ 3\ of\ them\ ordered\ steak\\b)\ 2\ of\ yhem\ ordered\ chicken
4 0
3 years ago
Daniel wanted to know his approximate score on the final exam for his mathematics class. His professor hinted that his score was
hammer [34]

Answer:   The raw score for Daniel's exam grade is 101.69.

Step-by-step explanation:

For x be any random variable.

Formula for z-score :

z=\dfrac{x-\mu}{\sigma} , where \mu = population mean

\sigma = population standard deviation.

Let x be the raw score for Daniel's exam grade.

As per given , we have

\mu=90 , \sigma=7 and z= 1.67 , put these values in the above formula , we get

1.67=\dfrac{x-90}{7}\\\\\Rightarrow\ x-90=7(1.67)=11.69\\\\\Righarrow\ x=11.69+90=101.69

Hence, the raw score for Daniel's exam grade is 101.69.

8 0
3 years ago
Y=2x-5, The slope is ............<br>0 0<br>D 2<br>2<br>o -5<br>0 -3​
pogonyaev

Answer: 2

Step-by-step explanation:

The given equation is in slope-intercept form. It is y=mx+b. In this equation, m stands for slope and b stands for y-intercept. Looking back at the equation, we see that in place of m is 2. That tells us that the slope is 2.

5 0
3 years ago
Read 2 more answers
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