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3 years ago

X^2 - 11x = 0 solve equation by factoring is there a solution or not?

Mathematics

1 answer:

Kay [80]3 years ago

3 0

First you can take a x out of the whole equation:

x(x-11)=0

Then solve for the solutions:

x=0, 11

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Tickets to the movies are $7 for adults and $4 for children. If 272 tickets

rewona [7]

Answer:

202 tickets for adults were sold and 70 tickets for children are sold.

Step-by-step explanation:

Solve this question using simultaneous linear equation.

•Let the number of tickets sold for adults be a

•Let the number of tickets sold for children be b

The question stated that 272 tickets were sold altogether. So:

$a + b = 272$

Now, make sure that only one of the unknown values remain on the left hand side. For example:

$a = 272 - b$

I will refer to the above equation as equation 1.

Now, the question also stated that the tickets sold $1694. This means that:

$7a + 4b = 1694$

I will refer to this equation as equation 2.

Now, substitute equation 1 into equation 2 by replacing the a in equation 2 with the values on the right hand side in equation 1. For example:

$7(272 - b) + 4b = 1694$

Then just solve the equation by finding the value of b.

$7(272 - b) + 4b = 1694 \\ 1904 - 7b + 4b = 1694 \\ 1904 - 3b = 1694 \\ 1904 - 1694 = 3b \\ 210 = 3b \\ b = 210 \div 3 \\ = 70$

Lastly, find the value of a. Just take the value of b and then substitute into equation 1.

$a = 272 - b \\ = 272 - 70 \\ a = 202$

4 0

3 years ago

Least to greatest 0.2,4/15,0.21,1/4

vladimir1956 [14]

Turn all rational numbers into fractions:

0.2 remains as it is

4/15 as a decimal is 0.26 with the 6 repeating

0.21 remains as it is

1/4 as a decimal is 0.25

Now we can organize from least to greatest as shown below:

0.2, 0.21, 0.25 (1/4), 0.2666666 (4/15)

Hope this helped!

5 0

3 years ago

Someone’s pls give me the answer to this!

m_a_m_a [10]

Answer:

3/10

Step-by-step explanation:

(2/5)*2=4/10. 7/10-4/10=3/10

5 0

3 years ago

Read 2 more answers

A monomial<br> B binomial <br> C trinomial<br> D quadrinminal

Nimfa-mama [501]

The ansewr would be B binomial since there are 2 numbers

4 0

4 years ago

Please help me i will give brainliest

katrin2010 [14]

Answer:

Medium truck is what I think is the the answer :)

8 0

3 years ago

Read 2 more answers