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IrinaVladis [17]
3 years ago
8

Pls help!!! ill give a brainliest

Mathematics
2 answers:
Leya [2.2K]3 years ago
5 0

Answer:

--6+36m

Step-by-step explanation:

svetlana [45]3 years ago
4 0

Step-by-step explanation:

the answer is 36m-6 .the process is shown in the picture

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The solution set for <br> 6a^2-a-5=0
Alex_Xolod [135]

Answer:

a=1 or a=5/6

Step-by-step explanation:

I'm going to attempt to factor 6a^2-a-5

a=6

b=-1

c=-5

Find two numbers that multiply to be a*c and add to be b.

a*c=-30                                   =-6(5)

b=-1                                          =-6+5

So replace -a with -6a+5a in the expression we started with

6a^2-6a+5a-5

now we factor by grouping

6a(a-1)+5(a-1)

(a-1)(6a-5)

Now let's solve the equation:

(a-1)(6a-5)=0

So a=1 or a=5/6

4 0
3 years ago
A biased coin has a probability of 0.4 of coming up heads. What is the probability that when flipped one hundred times it comes
inn [45]

Using the binomial probability relation ; the probability that an head is obtained at least 50 times is 0.0271

<u>Using the binomial probability relation</u> :

  • P(x = x) = nCx * p^x * q^(n-x)
  • p = probability of success = 0.4
  • q = 1 - p = 0.6
  • n = number of trials = 100

P(x ≥ 50) = p(x = 50) + p(x = 51) + ...+ p(x = 100)

<u>Using a binomial probability calculator</u> :

P(x ≥ 100) = 0.0271

Therefore, the probability that atleast 50 heads are obtained in the trial is 0.0271

Learn more :brainly.com/question/12474772

5 0
3 years ago
6 is added a number x.then the result is multiplied by 9. the final answer is greater than 99
drek231 [11]

So this inequality is going to be written as 9(x + 6) > 99


Firstly, you want to foil 9(x + 6), which will look like this: 9x + 54 > 99


Next, subtract 54 on both sides of the equation: 9x > 45


Lastly, divide both sides by 9, and your answer will be x > 5

6 0
3 years ago
Pete saves 4/5 of his wages each week.If he earns 150$ per week. How much did he save ?
yulyashka [42]

solution:

4/5 of $150

4/5 x 150

=120

so Pete saves $120 per week

5 0
3 years ago
6= a/4 +2<br><br>two step equations ​
Marianna [84]

Answer: A=16

Step-by-step explanation:

24=a+8

-a=8-24

-a=-16

4 0
3 years ago
Read 2 more answers
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