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3 years ago

12

A building has two sizes of apartments, small and regular. The ratio of small apartments to regular apartments is 18 to 7. What

percent of apartments in the building are small?
*SHOW YOUR WORK*

2 answers:

Rudik [331]3 years ago

8 0

257.1% would be your answer

miv72 [106K]3 years ago

5 0

Answer:

257.1%

Step-by-step explanation:

search up the fromlua and plug in the numbers

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3? Choose the THREE correct answers.

Eduardwww [97]

None of them have a solution of x, but 5x=15, 7x-2=19, and 5x+6=21 all have the same answer of x=3

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3 years ago

Based on the information in the table what is the probability of being a girl and choosing lemonade?

tresset_1 [31]

Using it's concept, it is found that the probability of being a girl and choosing lemonade is given by:

b. 0.2.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

In this problem, out of 130 people, 26 are girls who choose lemonade, hence the probability is given by:

p = 26/130 = 0.2, which means that option b is correct.

More can be learned about probabilities at brainly.com/question/14398287

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2 years ago

In order to solve the following system of equations by addition, which of the

Pavlova-9 [17]

Answer:

Multiply the top equation by -3 and the bottom equation by 2

Step-by-step explanation:

Given <u>system of equations</u>:

$\begin{cases}4x-2y=7\\3x-3y=15 \end{cases}$

To solve the given system of equations by addition, make one of the variables in both equations <u>sum to zero</u>. To do this, the chosen variable must have the <u>same coefficient</u>, but it should be <u>negative</u> in one equation and <u>positive</u> in the other, so that when the two equations are added together, the variable is <u>eliminated</u>.

<u>To eliminate the </u><u>variable y</u>:

Multiply the top equation by -3 to make the coefficient of the y variable 6:

$\implies -3(4x-2y=7) \implies -12x+6y=-21$

Multiply the bottom equation by 2 to make the coefficient of the y variable -6:

$\implies 2(3x-3y=15) \implies 6x-6y=30$

Add the two equations together to <u>eliminate y</u>:

$\begin{array}{l r r}& -12x+6y= &-21\\+ & 6x-6y= & 30\\\cline{1-3}& -6x\phantom{))))))} = & 9\end{array}$

<u>Solve</u> for x:

$\implies -6x=9$

$\implies x=-\dfrac{9}{6}=-\dfrac{3}{2}$

<u>Substitute</u> the found value of x into one of the equations and <u>solve for y</u>:

$\implies 3\left(-\dfrac{3}{2}\right)-3y=15$

$\implies -\dfrac{9}{2}-3y=15$

$\implies -3y=\dfrac{39}{2}$

$\implies y=-\dfrac{39}{2 \cdot 3}$

$\implies y=-\dfrac{13}{2}$

Learn more about systems of equations here:

brainly.com/question/27868564

brainly.com/question/27520807

3 0

2 years ago

Read 2 more answers

What is 1/3 out of 100%

Andrej [43]

The answer your looking for is 33.3%

(it goes on a lot longer but that's just rounded to 1 decimal place)

5 0

3 years ago

Mickey draws two distinct intersecting lines, p and q. Which conclusions must be true? Select three that apply.

timofeeve [1]

Hey there!

D is the answer.

I was thinking it might be B but no one said the lines crossed each other.

Hope this helps, Jesus loves you!

7 0

3 years ago

Read 2 more answers