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
andriy [413]
3 years ago
12

21 is greater than or equal to 3(a-7) +9

Mathematics
1 answer:
likoan [24]3 years ago
4 0
21≥<span>3(a-7) +9
first, just solve it like a normal equation
Distribute
21</span>≥3a-21+9
<span>Combine numbers
21</span>≥3a-12
<span>Solve like equation
33</span>≥3a
11≥a
<span>"a" has to be less than or equal to 11 for the inequality to be true

</span>
You might be interested in
Connor was given a box of asstorted chocolates for his birthday. Each night, Connor treated himself to some chocolates. There we
swat32

Answer: 18- 3t

Step-by-step explanation:

7 0
3 years ago
Somebody please help.
Rina8888 [55]
Hey, what do you need help with ?
8 0
3 years ago
Read 2 more answers
What is 1/5 of 11????????????
Helga [31]
Multiply 1/5 by 11 to get 2.2, to check, multiply 2.2 by 5. The answer though, is 2.2.
7 0
3 years ago
Explain why we can use any two points on a line to find the slope of the line
ololo11 [35]

Because all the coordinates of a line has the same slope. So, we can use any two of them to find the slope.


6 0
3 years ago
Read 2 more answers
Answers for these im strugglinh
Rainbow [258]

Answer:

Step-by-step explanation:

40.

Multiples of 3: 3,6,9,12, 15, …

Multiples of 5: 5, 10, 15, 20, …

LCM of 3 and 5 is 15

Multiples of 6: 6, 12, 18, 24,…

Multiples of 9: 9, 18, 27,…

LCM of 6 and 9 is 18

42.

1/2 and 2/3

denominator 2 has multiples: 2, 4, 6, 8, 10, 12 …

denominator 3 has multiples: 3, 6, 9, 12,…

LCD  of 1/2 and 2/3 is 6

equivalent fraction 1/2 = 3(1/2) = 3/6

equivalent fraction 2/3 = 2(2/3) = 4/6

43.

5/12 and 2/15

denominator 12 has multiples: 12, 24, 36, 48, 60…

denominator 15 has multiples: 15, 30, 45, 60…

LCD  of 5/12 and 2/15 is 60

equivalent fraction 5/12 = 5(5/12) = 25/60

equivalent fraction 2/15 = 4(2/15) = 8/60

44.

16/48 has the prime factorization 2*2*2*2/ 2*2*2*2*3

16/48 simplification is 1/3

45.

12/40 has the prime factorization 2*2*3/2*2*2*5

12/40 simplification is 3/ 10

46.

18/63 has the prime factorization 2*3*3/ 3*3*7

18/63 simplification is 2/7

5 0
3 years ago
Other questions:
  • the math competition had 108teams on the first day. on the second day there were 10 less teams than on the first day how many te
    14·2 answers
  • A number is multiplied by 3. if 2 is added to the product you get 17. what is the number
    7·1 answer
  • Fill in the missing numbers to complete the linear equation that gives the rule for this table x f(x) 0 -28 1 -17 2 -6 3 5
    10·2 answers
  • Pencils are sold in boxes of 10 Erasers are sold in boxes of 14 A teacher wants to buy the same number of pencils and erasers wo
    8·1 answer
  • What is the length of BD, given that figure ABCD is a rectangle and AE = 28? A. 56 B. 14 C. 7 D. 28
    12·2 answers
  • Interpret the interquartile range in context. Choose the correct answer below.
    8·1 answer
  • Simplify using the distributive property.
    9·2 answers
  • The area of a rectangle is represented with the expression (18x-12) inches squared. The width of the rectangle is 6 inches. Writ
    15·1 answer
  • The table shows which equation?
    11·1 answer
  • In God of Highschool: Who was the one opponent that Taek Jegal didn't view as trash?​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!