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
crimeas [40]
3 years ago
12

3(n+4)=21 what does n =?

Mathematics
2 answers:
love history [14]3 years ago
8 0

Answer:

n = 3

Step-by-step explanation:

Given

3(n + 4) = 21 ( divide both sides by 3 )

n + 4 = 7 ( subtract 4 from both sides )

n = 3

Brilliant_brown [7]3 years ago
7 0

Answer:

3.

Step-by-step explanation:

3(n + 4) = 21

3n + 12 = 21

3n = 21 - 12 = 9

n = 3.

You might be interested in
suppose the temperature outside is dropping 2.5 degrees each hour how much will the temperature change in 6 hours​
mote1985 [20]

Answer:

15 degrees

Step-by-step explanation:

2.5x6= 15

8 0
3 years ago
Read 2 more answers
Can someone explain this and help me with the answer?
GenaCL600 [577]

Answer:

Distributive Property, Subtraction Property of Equality, Subtraction Property of Equality, Division Property of Equality

Step-by-step explanation:

First, you need to distribute. Next, you subtract on both sides. Then, you subtract again. Finally, you divide.

7 0
3 years ago
At 6 a.m. the temperature was 18oF. By noon it had risen to 36oF. A student claimed that it was then "twice as warm" as it was a
mart [117]
Yes, 18 x 2 + 36, therefore the student was correct

4 0
3 years ago
Read 2 more answers
Kiran paid $54.00 for 3 tickets to go to a corn maze. At the same rate, what is the cost of 5 tickets to the maze? *
Shtirlitz [24]

Answer:90

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Here is a list of numbers:
vladimir2022 [97]
The median is effectively the middle number, so first we need to order them from smallest to biggest, which would be:
0.5, 1, 1.5, 2,2, 3.3, 5.4, 6.2, 8.4, 8.8
Therefore, the median is 3.3.

Hope this helps!
4 0
3 years ago
Other questions:
  • The Smiths own a home whose market value is $105,000. Their municipality taxes at 85% and the rate is 70 mills or $70 per thousa
    9·2 answers
  • Is -13 over -12 rational or irrational?
    14·1 answer
  • A fraction has a fraction in the numerater , denominator,or both
    5·1 answer
  • The table shows some ingredients in lasagna. If you make three times the recipe, how many cups of cheese are needed?
    7·2 answers
  • Shed A and Shed B are both rectangular prisms. Shed A has a length 6½ feet, width 6½ feet, and height 8½ feet. Shed B has length
    9·1 answer
  • Determine the circumference of<br>a circle with diameter 28 cm. Show your work​
    14·2 answers
  • 1. If x= 3, what is the value of the following expression?
    12·1 answer
  • Find the value of a.<br> a<br> 52
    10·1 answer
  • Engineering An overpass intersects two
    10·1 answer
  • √((2+√3)÷(2-√3))<br><br>what is the answer?​
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!