Make a equation to solve this problem:A number is 1/7 of another number. The difference of the numbers is 18. (assume that you are subtracting the smaller number from the larger number) Find the numbers.

Answers

Answer 1
Answer: x=1/7y
y-x=18
add x to both sides
y=18+x
subsitute
x=1/7(18+x)
multiply both sdies by 7
7x=18+x
subtract x form both sdies
6x=18
divide by 6
x=3

subsitute
y=18+3
y=21

x=3
y=21

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Please help i don't understand

Answers

3n/2 should be multiplied by 5 instead of two since 2 x 2 does not equal 10

What are two mixed numbers that have a sum up of three

Answers

1 1/2 + 1 1/2 = 3 or 1 3/4 +1 1/4 =3
1 1/4 + 1 3/4 and equals 3 because
1+1=2,
and 1/4+3/4=1
so add
2+1=3
your final answer is
3

Solve the following: -3x + 7(x + 5) = 5x + 38

please explain!

Answers

Answer: -3

Step-by-step explanation:

-3x+ 7x+ 35= 5x + 38

You solve the distributive property on the left side and set it equal to the right

4x+35= 5x+38

-4x -4x

35= x+38

-38 -38

X=-3

B. Compare and Contrast How are colloids and
suspensions different from solutions?

Answers

Step-by-step explanation:

Solutions, colloids and suspensions are the three main classifications of a mixture based on sizes of the particles.

  • A solution is a homogeneous mixture of solutes and solvents.
  • Suspensions are mixtures of small insoluble particles of a solid in a liquid or gas.
  • Colloids are homogeneous mixtures of two phases.

Solutions have the following characteristics:

  • The size of particles is small
  • The particles do not settle on standing.
  • The particles pass through ordinary filter papers.
  • They are clear and do not have color.
  • They do not scatter light

Suspensions have the following properties:

  • The particles dispersed are large
  • They settle on standing.
  • The particles do not pass through ordinary filter papers
  • They do not pass through permeable membrane
  • They are visible with microscope or naked eyes.
  • They are cloudy
  • Scatters light.

Colloids have the following properties:

  • Their particles are between those in solutions and suspensions.
  • Their particles do not settle on standing.
  • Their particles pass through ordinary filter paper.
  • They do not pass through permeable membranes.
  • Scatters light

Learn more:

Mixtures brainly.com/question/4592300

#learnwithBrainly

What is 3/8 * 2/9A. 5/17




B. 1/12




C. 5/12




D. 1/17

Answers

The answer is B. 1/12 because 6/72=1/12

researchers counted 8,912 monarch butterflies on one branch of a tree at a site in Mexico. They estimated that the total number of butterflies at the site was 1000 times as large. About how many butterflies were at the sitein all. Explain your thinking and include a statement of the solution.

Answers

The total number of the butterflies are \fbox{\bf8912000}.

Further explanation:

Given:

The number of monarch butterflies on one branch of a tree at a site in Mexico are 8912 and the total number of butterflies at the site are 1000 times as large.

Calculation:

Consider, the number of the butterflies on one branch of a tree at a site in Mexico as x and total number of butterflies as y.

Since, the total numbers of butterflies at the site are 1000 times the number of the butterflies on one branch of a tree at a site in Mexico.

The total number of butterflies y can be written as follows:

y=1000x                                                   …… (1)

Substitute 8912 for x in equation (1).

\begin{aligned}y&=1000\left( {8912}\right)\n&=8912000\n\end{aligned}

Thus, the total numbers of the butterflies are \fbox{\bf8912000}.

Learn more:  

1. Which function has an inverse that is also a function? {(–1, –2), (0, 4), (1, 3), (5, 14), (7, 4)} {(–1, 2), (0, 4), (1, 5), (5, 4), (7, 2)} {(–1, 3), (0, 4), (1, 14), (5, 6), (7, 2)} {(–1, 4), (0, 4), (1, 2), (5, 3), (7, 1)}  

brainly.com/question/1632445  

2. A given line has the equation 10x + 2y = −2. what is the equation, in slope-intercept form, of the line that is parallel to the given line and passes through the point (0, 12)? y = ( )x + 12  

brainly.com/question/1473992  

3. what are the domain and range of the function f(x) = 3x + 5?  

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Answer Details :

Grade: Middle School .

Subject: Mathematics .

Chapter: linear equation.

Keywords:

Lines, equation, monarch butterfly, x=2y, function, substitution, Mexico, site, direct substitution, elimination, graph, middle term factorization, fraction.

Approximately 8,912,000 monarch butterflies were at the site. By using powers of 10, I can conclude that doing 8,912 x 1000 would mean adding three zeros to 8,912, making 8,912,000. So, 8,912,000 would be the logical estimate.