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ss7ja [257]
2 years ago
14

10 ^(x+3)-4=20 solve exponential and log equations

Mathematics
1 answer:
Bas_tet [7]2 years ago
7 0

Answer:

x=log(24)−3

Step-by-step explanation:

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A teacher student committee consisting of 4 people is to be formed from 5 teachers and 20 students. Find the probability that th
antiseptic1488 [7]

Answer:

99.96%

Step-by-step explanation:

Given the information:

  • 5 teachers
  • 20 students
  • 4 people in committee

=> the are 25 people in total

Hence, the total possible outcomes of all the members in the 4 committee:

C^{4} _{25}  = 12650

They want us to find the probability that the committee will consist of at least one student, which means that

=(Total possible outcome - committee with no student) / Total possible outcomes

So we need to find the possible outcomes of committee with no student:

= C^{4} _{5}  =5

=> the probability that the committee will consist of at least one student.

= (12650 - 5) / 12650

= 0.9996

= 99.96%

Hope it will find you well.

5 0
2 years ago
HELP ME PLEASE!!<br>slove:<br><br>3x = - 2/3 x - 2/9<br><br>​
Leya [2.2K]

Answer:

x= -2/33

Step-by-step explanation:

let me know if it is right

5 0
3 years ago
Compare 4 x 105 and 5 x 103.
german
Your answer should be B !
6 0
3 years ago
The weight distribution of parcels sent in a certain manner is normal with mean of 12 lb and standard deviation of 3 lb. The par
kicyunya [14]

Answer:

21.16

Step-by-step explanation:

Starting from the theory we have the following equation:

fi*P(x

Using the data supplied in the exercise, we have subtracting the mean and dividing by the standard deviation:

P( z \leq \frac{c-1-12}{3.5}) =0.99/fi

solving for "c", knowing that fi is a tabulating value:

\frac{c-13}{3.5}=0.99/fi\\\frac{c-13}{3.5}=2.33\\c-13=2.33*3.5\\c = 8.155 +13\\c = 21.155

therefore the value of c is equal to 21.16

8 0
3 years ago
Lesson 10: Congruent Triangles ._.
spayn [35]
#1 is A
#2 IS c
#3 is B
3 0
3 years ago
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