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
Elena L [17]
4 years ago
13

What is the answer to a + 18 = 7a

Mathematics
2 answers:
Gnoma [55]4 years ago
7 0

Answer:

3=a

Step-by-step explanation:

1. subtract a from both sides

2. divide by 6 on both sides

Simora [160]4 years ago
4 0
3=a
Subtract a from both sides
18=6a
Then divide six on each side
3=A
You might be interested in
She has read 1/5 of the book already what fraction of the book does she need to read now?​
arlik [135]

Answer:

4/5

Step-by-step explanation:

1-1/5=4/5

she still has 4/5 to read

7 0
3 years ago
Which value is the solution to the equation 42 ÷ j = 6?
mezya [45]

Answer:

j = 7hope that helps!

8 0
3 years ago
using a regression calculator, what is a good prediction for the height of the tree when it is 100 years old?
mylen [45]

Correct Question:

Tim is investigating the relationship between the number of years since a tree was planted and the height of the tree in feet. His data are shown in the table. Years Since Tree was Planted vs. Height of Tree

Years since the tree was planted, x

Height of tree in feet, y

2, 17, 3, 25, 5, 42, 6, 47, 7, 54, 9, 69

Using a regression calculator, what is a good prediction for the height of the tree when it is 100 years old?

Answer/explanation:

There is no good prediction for the height of the tree when it is 100 years old. If you analyze careful in details the regression calculator you realize that it probably will not valid that far in to the future say 100 years.

6 0
3 years ago
Someone please help me asap i am confused
trapecia [35]
1.) 2000 2.) 680000 3.) .0000007 4.) .00135 5.) 3062000 6.) 7x10^5 7.) 3.2x10^7 8.)4.5x10^-2 9.)3.46781x10^-5 10.) 1.3x10^18
6 0
3 years ago
Read 2 more answers
Solve for y.<br> 7y - 6y - 10 = 13
Orlov [11]

Answer:

y= 23

Step-by-step explanation:

Solve for  (y )

by simplifying both sides of the equation, then isolating the variable.

7y - 6y - 10 = 13

7 0
3 years ago
Other questions:
  • What is the area of the triangle in this coordinate plane?
    7·2 answers
  • You are playing monopoly with your friends. You just landed on a site
    5·2 answers
  • Determine whether the ordered pair is a solution to the linear system.
    10·1 answer
  • If a square has the perimeter of 15.2 centimeters, what are 2 equations that can determine the perimeter of the square?
    9·1 answer
  • What is the midpoint between 10 and 20
    11·2 answers
  • In a party, there are 10 pairs arriving, each consisting of a boy and a girl. Then, there is a dance, where each boy dances with
    15·1 answer
  • If you wanted to gather information about birth months and chronotypes, what kind of information would you look for?
    6·1 answer
  • Find the surface area and volume of the figure. Round to the nearest tenth.
    10·1 answer
  • What is the formula for surface area of a rectangular prism?
    13·2 answers
  • Write a simplified polynomial expression in standard form to represent the area of the rectangle below: A picture of a rectangle
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!