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
Ostrovityanka [42]
3 years ago
8

4. Solve each equation by inspection. Explain your thinking. a) 3n=33 b) 9+w=10 c) r-15=30 d) 2y+3=11

Mathematics
1 answer:
Setler79 [48]3 years ago
3 0

Step-by-step explanation:

A. 3n = 33

n = 33/ 3 = 11

B. 9 + w = 10

w = 10 - 9 = 1

C. r - 15 = 30

r = 30 + 15 = 45

D. 2y + 3 = 11

2y = 11 - 3

2y = 9

Y = 9/2

You might be interested in
Rosa and her friends are eating out for dinner.
Nadya [2.5K]

Answer:$9.16

Step-by-step explanation:

What I did was 20% of $45.80!  If you have a tip or a percent problem you can think of it as that percent of the certain number.  In math "of" means mupltiply.

Punch in your calculator .2 which is 20% times 45.8 and you get your answer $9.16.  

Hope this helps bwo

 

4 0
3 years ago
Harry Potter has a large amount of money in his vault at Gringotts. He wants to use some of it to buy his friends new broomstick
lianna [129]

Answer:

Domain is 8 to 15 broomsticks

Range is 1,200 to 2,250 Galleons

Step-by-step explanation:

Here, when we talk of the domain, we are simply referring to the range of values of the number of broomsticks to be bought which is between 8 and 15

When we talk of the range, we are talking of the amount these broomsticks will cost

The cost for 8 broomsticks will be 8 * 150 = 1,200 Galleons

15 broomsticks will cost 15 * 150 = 2,250 Galleons

The range here will thus be 1,200 Galleons to 2,250 Galleons

7 0
3 years ago
Read 2 more answers
A car dealership pays $8,350 for a car. They Mark up the price by 17.4% to get the retail price. What is the retail price of the
olga55 [171]

A car dealership pays the sum of $8,350 for a car

The dealer mark up the car price by 17.4%

The retail price = Mark up percentage x original price of the car

Mark up = 17.4%

= 17.4 + 10

= 117.4%

Convert 117.4% to decimal

= 117.4/100

= 1.174

The retail price = $8, 350 x 1.174

= $9,802.90

The retail price of the car is $9,802.90

6 0
1 year ago
Simplify the expression below
Degger [83]

Answer:

jjjh;kn jhuj hnpjinp; inj in

Step-by-step explanation:

6 0
2 years ago
PLEASE HELP!!! Geometry. Very simple question. I have made it worth 25 pints because I am feeling generous
weeeeeb [17]
37+21=58 is the answer.
6 0
3 years ago
Other questions:
  • What is the scale factor 
    8·1 answer
  • What is transferred by a water wave ?
    9·2 answers
  • Which of these division problems has a quotient of -7 2/9?
    10·1 answer
  • Kirk and Nate are members of the same basketball team. So far this season, the team has played two games. In the first game, Nat
    6·1 answer
  • Sandy works at a clothing store. She makes $6 per hour plus earns 10% commission on her sales. She worked 78 hours over the last
    15·1 answer
  • Plzzzzzzzz help
    9·1 answer
  • Please help ASAP !! Will mark brainless to whoever gets it right
    7·2 answers
  • Rita paid for a $2.95 sandwich and a
    10·1 answer
  • Here is a linear equation: y = 1/4x + 5/4 Are (1. 1.5) and (12.4) solutions to the equation? Select the correct choice
    11·1 answer
  • the diagram shows a star made by surrounding regular octagon with triangle. explain why angle A must be 135 degrees
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!