3 years ago

I need help I need the answer and the explanation

Mathematics

1 answer:

BartSMP [9]3 years ago

6 0

Answer:

domain: x=6

range: y=0

Step-by-step explanation:

this is the answer

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Log base 4 (x+3)=-3<br> thank you!

Minchanka [31]

x= -15/4 => x= -3 3/4 or x= -3.75

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2 years ago

16 - 2z-4/3 when z=18

Colt1911 [192]

Answer:

z= -3

Step-by-step explanation

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2 years ago

In a certain college, 33% of the physics majors belong to ethnic minorities. Of 8 students are selected at random from the physi

tiny-mole [99]

Answer: 0.0187

Step-by-step explanation:

The binomial distribution formula for probability :-

$P(x)=^nC_xp^x(1-p)^{n-x}$ , where P(x) is the probability of getting success in x trials , n is the total number of trials and p is the probability of getting success in each trial.

Given : The probability that the physics majors belong to ethnic minorities =0.33

Number of students selected : n= 8

Now, the probability that more than 5 belong to an ethnic minority :-

$P(x>5)=P(6)+P(7)+P(8)\\\\=^8C_6(0.33)^6(0.67)^{2}+^8C_7(0.33)^7(0.67)^{1}+^8C_8(0.33)^8(0.67)^{0}\\\\=(\dfrac{8!}{6!2!})(0.33)^6(0.67)^{2}+(8)(0.33)^7(0.67)^{1}+(0.33)^8(0.67)^{0}\\\\=0.0186577086013\approx0.0187$

Hence, the probability that more than 5 belong to an ethnic minority = 0.0187

7 0

2 years ago

The answer plz I will thank u

Darya [45]

2x3= 6
18÷6= 3
So, 3x4 = 12

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2 years ago

What is the slope of a line that goes through the points (10, -2) and (5,-5)? m =

Vinvika [58]

Answer:

m = 3/5

Step-by-step explanation:

use the formula so m = -5 - -2 / 5 - 10 , so m = -5+2 / -5

m = -3/-5 so m = 3/5

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2 years ago