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
Likurg_2 [28]
3 years ago
7

(1/2)n+r n - 30. r - 6

Mathematics
1 answer:
kramer3 years ago
8 0

Answer:

21

Step-by-step explanation:

1/2*30+6 = 15+6 = 21

Hope I helped

You might be interested in
The base of a pyramid has n sides. Write and expression for the number of faces of the pyramid
11111nata11111 [884]

Remark

The number of faces reaching out in the 3rd dimension of the pyramid = the number of edges on the base.

Givens

Number of edges (or sides on the base)= e

Number of faces = f

Formula

F = e + 1 Don't forget that the base is also a face.

5 0
3 years ago
Can someone please HELP ME
nirvana33 [79]

a) the independent variable is the number of training miles.

b) the dependent variable is the cost to mail the package

c) the dependent variable is P

3 0
3 years ago
I will give brainliest answer pls help
zaharov [31]

Answer:

C

Step-by-step explanation:

1/4= 0.25

8 0
3 years ago
Read 2 more answers
Jenna found three solution to a linear equation she graphed them, but they don't lie in a straight line. What errors could jenna
steposvetlana [31]

Answer:

A system of linear equation could only have 1 solution. This is because the straight lines will only have to meet, cross, or intersect each other once.

A system of linear equation could only have 1 solution. This is because the straight lines will only have to meet, cross, or intersect each other once.

There are many different methods in arriving to the final answer. However, errors cannot be perfectly avoided. One of these errors to mistakenly identify equations as linear. It is important that we know that the equations we are dealing with are of exact or correct  characteristics.

Also, if she had used substitution method, she might have mistakenly taken the value of one variable for the other.

5 0
3 years ago
Write the equation in slope-intercept form. 4x+3y=18
Helen [10]

Answer:

y = -4/3x + 6

Step-by-step explanation:

1. 3y - 4x + 3y = 18 - 3y

2. 4x = -3y + 18

3. 18 - 4x = -3y + 18 - 18

4. <u>-</u><u>3</u><u>/</u><u> </u><u>-3y = 4x - 18</u><u> </u><u>/</u><u>3</u>

5. y = -4/3x + 6

6 0
2 years ago
Other questions:
  • 8 exceeds the quotient of SamÍs age and his brotherÍs age.
    12·1 answer
  • Two numbers have a difference of 8 what is the minimum product of these numbers
    10·2 answers
  • 2. The length of a rectangle is 4 centimeters less than twice its width. The perimeter
    13·2 answers
  • State the slope and y-intercept of the graph of y = x – 7.
    9·1 answer
  • Lauren invests money in an accout paying simple interest.She invests $50 and no money is added or removed from investments.After
    7·1 answer
  • Vicky jogged 2 miles in 2 hour. What was her average rate of speed in miles per hour?
    6·2 answers
  • A. Sin(30°)
    14·1 answer
  • To determine the number of trout in a​ lake, a conservationist catches 136 trout, tags them and throws them back into the lake.
    5·1 answer
  • Write a sentence that represents this equation 8 = 11 -5 V
    6·1 answer
  • The smallest number that has 3,7 and 11 as prime factors
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!