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
Natasha2012 [34]
3 years ago
11

4n - 2n =4 solve for n

Mathematics
2 answers:
ladessa [460]3 years ago
5 0

Answer:

n = 2

Step-by-step explanation:

I used the method guess and check

4(1)-2(1)=4-2=2 (doesn't work)

4(2)-2(2)= 8-4=4

Natalka [10]3 years ago
3 0
For N it is 2 since you multiply 4 times 2= 8, 2 times 2=4
8-4=4
You might be interested in
How many plants spaced every 6 in. are needed to surround a circular walkway with a 25-ft radius?
inn [45]
Well your going to need 5, since 4 wouldn't be enough, 4 would only be 24.
6 0
3 years ago
In a survey of market, it is found that 143 persons use white toothpaste and 135 use red toothpaste. If 70 of them use both the
denpristay [2]

Answer:

let W and R represent white toothpaste and red toothpaste represently

n(W)=143

n(R)=135

n(WnR)=70

n( WuR)=?

Now,

n(WuR)=n(W)+n(R)_n(WnR)

=143+135_70

=208

that's all don't forget to write therefore.

6 0
3 years ago
A chemical spill is leaking into a river flowing 2 3/4 miles per hour. How long will it take the chemicals to reach a town locat
ExtremeBDS [4]

Answer:

6\frac{3}{11}=6.27 hours.

Step-by-step explanation:

We have been given that a chemical spill is leaking into a river flowing 2 3/4 miles per hour.

To find the time taken by chemical to reach the town we will divide distance of town from the spill by distance covered by chemical spill in one hour.

\text{Time taken by chemical to reach the town}=17\frac{1}{4} \div 2\frac{3}{4}

Upon converting our mixed fractions into improper fractions we will get,

\text{Time taken by chemical to reach the town}=\frac{69}{4} \div \frac{11}{4}

Dividing a fraction with another fraction is same as multiplying first fraction by the reciprocal of second fraction.

\text{Time taken by chemical to reach the town}=\frac{69}{4}\times \frac{4}{11}

After cancelling out 4 we will get,

\text{Time taken by chemical to reach the town}=\frac{69}{11}

\text{Time taken by chemical to reach the town}=6\frac{3}{11}

\text{Time taken by chemical to reach the town}=6.272727\approx 6.27

Therefore, it will take the chemicals 6\frac{3}{11}=6.27 hours to reach the town.

5 0
3 years ago
The graph show how many minutes it takes Ziah to run a certain distance in the city What is the constant of proportionality? Wri
netineya [11]
<h3>Answer:  1.5</h3>

Explanation:

The constant of proportionality is the same as the slope for equations of the form y = kx.

To find the value of k, we divide the y over x values.

k = y/x = 12/8 = 1.5

or

k = y/x = 6/4 = 1.5

Either way the answer is 1.5

This means Ziah ran at a rate of 1.5 city blocks per minute.

4 0
2 years ago
Ben bought a laptop that was 15% off the regular price of $999. If a 8% sales tax was added to the cost of the laptop, what was
11Alexandr11 [23.1K]

so 15% off is 149.85  which makes it 849.85 then you add sales tax which is 79.92 and your cost is 929.07


5 0
3 years ago
Other questions:
  • Maria has added 2 liters of pure water to 8 liters of a 48% sugar syrup. What is the concentration of the resulting solution?
    9·1 answer
  • Identify each solid figure
    5·2 answers
  • Two rectangles are similar. One has a length of 11 cm and a width of 10 cm, and the other has a width of 7 cm. Find the length o
    14·2 answers
  • The fact that companies can store and access emails sent or received on their equipment limits which of your rights?
    10·2 answers
  • What is the General form of the parabola of (y-3)^2=6(x+8)
    8·1 answer
  • Resistance is a force that __________. A. speeds objects up B. slows objects down C. changes an object's inertia D. does not rel
    11·2 answers
  • Let's get some fun If u get this question wrong u have to change your profile picture to Psyduck for 3 days and if u know the an
    10·1 answer
  • A triangle ABC is reflected across the y-axis and then translated 5 units down to triangle A'B'C'. How are the side lengths of t
    14·1 answer
  • 7.50x +4.50y = 2,212.5<br> x+y = 375
    12·1 answer
  • Don’t solve it just show me the check step !!
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!