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
MrRissso [65]
3 years ago
15

I don’t understand help

Mathematics
1 answer:
Yuliya22 [10]3 years ago
4 0

Answer:

a)-4x+7=9×3

-4x=27-7

x=-20/4

x=-5

b)49r-55r=-52+10

-6r=-42

r=-42/6

r=7

c)-6m+8m-2m=-1-5+6

2m-2m=0

0=0

You might be interested in
7hr= how many minutes ​
denis-greek [22]

Answer:

420 minutes

Step-by-step explanation:

1 hour = 60 minutes

7 * 1 hour = 7 * 60 minutes

7 hours = 420 minutes

5 0
3 years ago
Read 2 more answers
What is the value of the expression 25n + 12 when n =18?
STALIN [3.7K]

Answer: 462

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
I need help with 3,4 6,7 8 9 and 10 please
lbvjy [14]

Answer:

Knowing others is intelligence; knowing yourself is true wisdom. mastering others is strength; mastering yourself is true power. if you realize that you have enough, you are truly rich, "And the cause of not following your heart, is in spending the rest of your life wishing you had."

3 0
3 years ago
2/9 converted into decimal rounded to the nearest hundreth​
balandron [24]

Answer:

0.22

Step-by-step explanation:

2/9 as a decimal is 0.22222222

This number rounded off to its nearest hundredth is 0.22

Hope it helped

8 0
3 years ago
Read 2 more answers
How to change a negative fraction to a decimal?
aksik [14]
You just divide the top number by the bottom number,i hope this helps
4 0
3 years ago
Other questions:
  • Fill in the missing number to complete the factorization:
    5·1 answer
  • A cylindrical stylus has a diameter of 0.1875“ and is 6.2 inches long what is the volume of the stylus
    14·1 answer
  • Marcus was giving dollar bills from his grandfather each day for one week. On the first day he received one dollar, on the secon
    14·1 answer
  • Need help IT MATH!!!!!!!!!!
    13·1 answer
  • A small cube with side length 6y is placed inside a larger cube with side length 4x^2. What is the difference in the volume of t
    6·2 answers
  • A man 6 feet tall casts a shadow that is 11 feet long. A building casts a shadow of 139 feet long. The building is tall. Round y
    10·1 answer
  • Laurent is preparing a fruit salad. She wants the total carbohydrates from pineapple and watermelon to equal 24 g. Pineapple has
    5·1 answer
  • Use elimination to solve the system of equations. 5x-2y=-3 4x-2y = -6
    8·1 answer
  • Order these numbers from least to the greatest, 47/10,4.606,4+13/20,4.64​
    15·1 answer
  • Blueberries cost $4.00 per pound. How many pounds of blueberries can you buy for $1.00?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!