1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
oee [108]
3 years ago
12

Need help ASAP !!!!!!!

Mathematics
1 answer:
Anestetic [448]3 years ago
5 0
First we distribute \frac{1}{5} into n and -\frac{1}{7}.

\frac{1}{5} * n =  \frac{1}{5} n
\frac{1}{5}  *  -\frac{1}{7}  = - \frac{1}{35}

That makes the left side of the equation 

\frac{1}{5} n -  \frac{1}{35} =  \frac{1}{6} n

Now we subtract \frac{1}{5}n from \frac{1}{6} n, which makes \frac{1}{30}

Now the equation is 

-\frac{1}{35} =  -\frac{1}{30n}

Our goal is to isolate n, so we both sides by 30

30* -\frac{1}{35} = - \frac{1}{30}n * 30 

That will make the equation 

- \frac{30}{35} = -n

We multiply -1 on both sides of the equation:

\frac{30}{35} = n

Finally we simplify \frac{30}{35}, which makes \frac{6}{7}

So the answer is n =  \frac{6}{7}
You might be interested in
WILL AWARD BRAINIEST!! Question is in the attached image.
professor190 [17]

Answer:

Look down at explanation

Step-by-step explanation:

First off if it is true in inches you could use a ruler to measure the bottom it works if you are desperate a lot of the time. Also the bottom of the trapezoid is 6 meters. If you didn't know the perimeter you could split the trapezoid into a rectangle and a triangle. You just have to take off the irrelevant sides when you put it together. So you take the 2 meters from the top of the trapezoid and then the bottom of the triangle is 4, so just split up the trapezoid and find the perimeter of the triangle and rectangle.

7 0
3 years ago
Strawberries cost $2 per pound. Kate buys 5 pounds and gets 20% discount on the total cost. How much does Kate pay for the straw
Tema [17]

The total cost without the discount is given by:

C = (2) * (5)\\C = 10$

Then, to find the discounted amount, we make the following rule of three:

10 $ ------------------> 100%

x ----------------------> 20%

From here, we clear the value of x.

We have then:

x = (\frac{20}{100}) * (10)\\x = 2

Then, the cost of the Strawberries with the discount is:

10 - 2 = 8 $

Answer:

Kate pays for the strawberries about $ 8.

3 0
3 years ago
Read 2 more answers
Solve for x & y. 30x−42y=−6 and 5x−7y=−1
vladimir1956 [14]
Um.. Both of those equations are the exact same. Divide both sides of the first equation by 6. You get:

\frac{30x  - 42y}{6} = \frac{-6}{6} \\ 5x - 7y = -1

That is the exact same as the second equation. This system has an infinite number of solutions. 5x - 7y = -1 is a line, so basically every point on that line is a solution to the system.

For example, x = 0 and y = \frac{1}{7} would work, but so would x = 1 and y = \frac{6}{7}
4 0
2 years ago
alyssa has 6 quarters, 4 dimes and 5 nickels in her change jar. if she picks 2 at random, what is the probability that she will
rusak2 [61]
The probability of Alyssa picking a nickel and a quarter would be 11/15 (eleven over fifteen)

6/15 plus 5/15 which is 11/15
You get 15 as the denominator because you add 6+4+5=15

I hope u understand.
5 0
3 years ago
How many different primes make up the prime factor for 180
andre [41]
When we prime factorize, we get 180=2^2*3^2*5. So therefore there are 3 prime factors that make up 180.
6 0
2 years ago
Other questions:
  • Please answer correctly !!!!!! Will mark brainliest !!!!!!!!!
    15·1 answer
  • Help me asap please ;)))
    14·1 answer
  • Use the elimination method to solve the system of equations.
    5·1 answer
  • A football field is 160 ft wide. Convert the width to yards
    14·1 answer
  • Create a two step equation that results in<br> the answer being 5.
    6·2 answers
  • aiko is biulding a tower out of paper she starts by making 2 congruent circular bases she then makes 1 curved surface sor the bo
    13·1 answer
  • The length of a rectangle is 7 ft less than three times the width, and the area of the rectangle is . Find the dimensions of the
    12·1 answer
  • Trên nữa đường tròn ,đường kính AB,lấy hai điểm I,Q sao cho thuộc cung AQ . Gọi c là giao điểm hai tia AI và BQ;H là giao điểm h
    15·1 answer
  • Find the product of the given polynomials. A. B. C. D.
    12·1 answer
  • PLEASE HELP MEEEEEEEEEEEEEEEE
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!