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
Olegator [25]
4 years ago
11

4(5n -7) =10+2 i need step by step explanation i dont get it

Mathematics
1 answer:
ser-zykov [4K]4 years ago
7 0

Answer:

n=2

Step-by-step explanation:

4(5n-7)=10+2

1) First, distribute (multiply out 4)

20n-28=10+2

2) Combine like terms (add 10 and 2)

20n-28=12

3) Isolate the variable (Add 28 to 12)

20n=40

4) Isolate the variable (Divide by 20)

n=2

You might be interested in
20. A circular fountain has a radius of 7 ft. What is the area of the fountain? Use 22/ 7
Aleonysh [2.5K]

Answer:

A = 154 ft^2

Step-by-step explanation:

To find the area of a circle

A = pi r^2

The radius is 7 and pi = 22/7

A = 22/7 * 7^2

A = 154 ft^2

3 0
3 years ago
Read 2 more answers
Gold has a density of 19.3 g/mL. What is the mass of a 7.5 mL sample of gold?
Zina [86]

Answer:

144.75 g

Step-by-step explanation:

19.3x7.5 = 144.75

3 0
3 years ago
What is the area of the shaded region?​
olga_2 [115]
It’s 4pi-(2•3) =6.5663 roughly
5 0
4 years ago
Read 2 more answers
Which table represents a direct variation?
Sloan [31]

Answer:

table c

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the median in this set of data?<br> 14, 19, 26, 28, 18, 21, 30, 27
Andrei [34K]

Answer:24

Step-by-step explanation:

Since the numbers in the middle are 21 and 27, you add both and divide by 2 to get the number in the middle of those 2.

3 0
3 years ago
Read 2 more answers
Other questions:
  • What is 3.8 as a fraction
    5·2 answers
  • Put these numbers in order. Start with the smallest number.
    12·1 answer
  • 13°38'35" to decimal degrees
    12·2 answers
  • What is the equation in slope-intercept form of a line with slope - 4/3 and y-intercept -2?
    15·1 answer
  • What input and output have to be removed to make the relation a function?:
    13·2 answers
  • Help fast!!!!!!!!!!!!!!!!!
    11·1 answer
  • A television screen measures approximately 15.5 inches high and 19.5 inches wife. A television is advertised by giving the appro
    12·1 answer
  • Which of the following rational functions is graphed below?
    11·2 answers
  • Han drinks three gallons of iced tea each day. Each gallon of iced tea contains ¾ cups of sugar. How much sugar does Han drink w
    13·1 answer
  • I need help with this is dont really understand it
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!