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natali 33 [55]
3 years ago
10

Solve the equation 3x + 6y = 18 for x

Mathematics
2 answers:
ankoles [38]3 years ago
5 0
<span>3x + 6y = 18
3x =  18 - 6y
  x =  6 </span>- 2y <span>

answer

</span><span>B). x = 6 - 2y </span>
IRINA_888 [86]3 years ago
4 0
The answer is B. x=6-2y. hope this helped let me know if it is right

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Find 10-3. Write the subtraction fact two ways. I know what 10-3 is but how do you write the subtraction fact two ways?
Neko [114]
You could also say something such as 10 + (-3) or |-10+3|.
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**PLEASE HELP THIS IS FOR A FINAL**<br><br>Please show work as well<br>​
AleksAgata [21]
The answer could be 3/2 or 1/4 and I don’t know if this is right

5 0
2 years ago
Suppose you borrow $500 and you plan to pay it back all at once in 5 years. You are charged 2% interest compounded monthly.
Mashutka [201]

Answer: $553

Step-by-step explanation: 500(1.0016666)^60

500(1.10507451358)

552.537256789

$553

6 0
3 years ago
Meena's father's present age is six times Meena's age. Five years from now she will be one-third of her father's present age. Wh
IgorC [24]

Answer:

Meena's is 5 and her father is 30

Step-by-step explanation:

x+5+6x+5=2x+6x+5

x+6x-2x-6x=5-5-5

-x =-5

x =5 Meena

6*5

=30 Her father's age

Have a good day and stay safe!

4 0
3 years ago
In a population where 77% of voters prefer Candidate A, an organization conducts a poll of 19 voters. Find the probability that
Rus_ich [418]

Answer:

P(X=14)=(19C14)(0.77)^{14} (1-0.77)^{19-14}=0.1928

Then the probability that 14 of the 19 voters will prefer Candidate A is approximately 0.1928 or 19.28%

Step-by-step explanation:

We can define X the random variable of interest "number of voters that will prefer Candidate A", since we have a sample size given and a probability of success we can use the binomial distribution to model the random variable. And on this case we can assume the following distribution:

X \sim Binom(n=19, p=0.77)

The probability mass function for the Binomial distribution is given by:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

For this problem we want to find this probability:

P(X=14)

And usign the probability mass function defined before we got:

P(X=14)=(19C14)(0.77)^{14} (1-0.77)^{19-14}=0.1928

Then the probability that 14 of the 19 voters will prefer Candidate A is approximately 0.1928 or 19.28%

3 0
2 years ago
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