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
Troyanec [42]
3 years ago
8

21x-9 what is the answer

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
8 0

Answer:

3(7−3)

Step-by-step explanation: 219−

You might be interested in
A bike and skate shop rents bike for $21 per day and pairs of skates for $20 per day. To remain viable, the shop needs to make a
Leya [2.2K]
Let the number of bike be x and the number of skates be y, then
21x + 20y ≥ 362 . . . (1)
2y = x . . . (2)

Putting (2) into (1), then
21(2y) + 20y ≥ 362
42y + 20y ≥ 362
62y ≥ 362
y ≥ 5.84

The least number of pairs of skates they need to rent each day to make their minimum is 6.
7 0
3 years ago
Section a of a theater contains 12 rows of 15 seats each section b contains only 10 rows but had the same number of seats as sec
yuradex [85]

Answer:

15 seats

Step-by-step explanation:

It is given that section A of a theater contains 12 rows of 15 seats each.

Now, it is also given that section B contains only 10 rows it has an equal number of seats the same as section A.

As the number of seats in each row of section A is 15, so, the number of seats in each row of section B will be 15 and the same as section A. (Answer)

8 0
4 years ago
How do i solve x/2+1/3=x/3+1/2
stepladder [879]
X/2+1/3=x/3+1/2
x/2=x/3+1/2-1/3
x/2 - x/3 = 3/6 - 2/6
x/2 - x/3 = 1/6
3x/6 - 2x/6 = 1/6
x/6 = 1/6
x = 1/6 * 6

x = 1

8 0
4 years ago
Read 2 more answers
M - 7 < 6 please help me
Citrus2011 [14]
<span>the answer is M<13 for problems like this you can go to https://www.cymath.com/answer.php?q=solve%20M%20-%207%3C%206 to solve your answer</span>
7 0
3 years ago
What percent of campers are over the age of 14?
Ierofanga [76]

Answer: 45%

Step-by-step explanation: There's 9 people over the age of 14. And 9 divided by the total number, 20, gives you 0.45. 0.45 multiplied by 100 is 45.

7 0
4 years ago
Other questions:
  • True/False Indicate whether the sentence or statement is true or false.   Dimensional analysis is a method of problem solving th
    11·1 answer
  • Can u give me the solution step by step
    15·1 answer
  • Which statement is best represented by the inequality d&gt;11
    7·1 answer
  • an online sporting goods store charges $12 for a pair of athletic socks. shipping is $2 per order. write an expression that hana
    13·1 answer
  • Plz Helps, Lots of points in here
    9·2 answers
  • In ΔKLM, m = 5.3 inches, ∠K=21° and ∠L=88°. Find the length of k, to the nearest 10th of an inch.
    11·1 answer
  • A class of 40 students elected class president. There were 12 votes for candidate a and 18 votes candidate b. The rest the class
    5·1 answer
  • Sarah earned $36.00 mowing lawns. She saved 1/6 of her money. After saving, how much money does Sarah have left?
    13·1 answer
  • Maria must give her dog 3 ml of ear drops medicine once per day in one ear for 3 days. The bottle contains 2 oz of medication Ex
    8·1 answer
  • Could the triangle shown be a right angle YES or NO
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!