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
lys-0071 [83]
4 years ago
5

Solve for (n): 10n - 8 + 4n =20? solve for (x): 2x + 3x = 25?

Mathematics
1 answer:
Contact [7]4 years ago
8 0
10n - 8 + 4n =20\\
14n=28\\
n=2\\\\
2x+3x=25\\
5x=25\\
x=5
You might be interested in
Complete a table with at least 5 points then graph the following quadratic on the coordinate plane. Identify all zeros.y = -2x2
Anna [14]

Answer:

See attached

Step-by-step explanation:

Given function:

  • y = -2x² + 5x + 8

Table and graph are attached

Zeros are included in the graph

<u>Zero's are obtained:</u>

x = 0 ⇒ y = 8

y = 0 ⇒  Solving quadratic equation

  • -2x² + 5x + 8 = 0
  • x = (-5 ± √(25 + 2*4*8))/-4
  • x = 3.608
  • x = -1.108

So zeros are (0, 8), (3.608, 0) and (-1.108, 0)

3 0
4 years ago
If you add 2 to a number and then multiply the sum by -5 the result will be 30. What is the number?
TiliK225 [7]

Answer:

If I am correct it would be 4

Step-by-step explanation:


4 0
4 years ago
Read 2 more answers
me.norris gave his class 12 minutes to read. Caribe read 5 1/2 pages in that time. at what rate, in pages per hour did she read
Helen [10]
5.5/12 = x/60

One hour/ 12 minutes = 5

5.5•5=27.5

Caribe reads 27.5 pages per hour.
8 0
3 years ago
Use benchmarks to determine the customary and metric units you would use to measure the height of you house. Explain your answer
RideAnS [48]
Yards and meters because they has a good measurement. A mile and kilometer is way to big. A kilometer is 1000 meters and a mile is 5280 feet to be exact.
6 0
3 years ago
Read 2 more answers
What is the value of the expression 2m + m - 4(-2m +1-m)<br> When m=<br> -8?
Natasha2012 [34]

Answer:

The answer to this question is -44

Step-by-step explanation:

Math-way its a free app kind of like brainly except its a lot faster:)

5 0
3 years ago
Other questions:
  • Help me find the slop intercept equation for this line!
    12·1 answer
  • If ΔABC ≅ ΔDEF, what is the length of AB?
    8·1 answer
  • What is (20+30)÷p please help me I am stuck and it is due by tomorrow please help
    6·1 answer
  • A girl invested $6000 into account that earns 10% interest east each year. what is the recursive formula and explicit formula
    8·1 answer
  • Benjamin invests $400 in a savings account that earns 5% interest each year. Which graph shows the balance of Benjamin's savings
    5·1 answer
  • Write the expression with fewer terms. Explain or show your reasoning.<br><br> 10−3+2
    15·2 answers
  • If you dont know what 3x4= its 12
    15·2 answers
  • Please help me it’s due today and I don’t understand!!!!
    9·1 answer
  • You emptied a cylindrical shark tank at the aquarium to clean it. The aquarium has a radius of 13 feet and a height of 18 feet.
    15·2 answers
  • Identify a pattern in each list of numbers. Then use this pattern to find the next number.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!