Solve. -6<3n+9<21 Thanks!

Mathematics

2 answers:

almond37 [142]2 years ago

5 0

Answer:

the answer you are looking for is -5<n<4

kvv77 [185]2 years ago

4 0

Answer:

−6<3n+9<21

−6+−9<3n+9+−9<21+−9(Add -9 to all parts)

−15<3n<12

−15

(Divide all parts by 3)

−5<n<4

Step-by-step explanation:

You might be interested in

T a linen sale Mrs. Earle bought twice as many pillowcases for $2 each as sheets for $5 each. If she spent less than $40, not in

Anettt [7]

For this case, the first thing we must do is define variables:
x: number of pillowcases
y: number of sheets
We now write the system of equations:
2x + 5y = 40
x = 2y
Solving the system we have:
x = 8.9
y = 4.4
Answer:
The maximum number of pillowcases she could have purchased is:
x = 8 (spent less than $ 40)

3 0

3 years ago

Please help! & don’t answer with “don’t know the answer”

ValentinkaMS [17]

Answer:

Step-by-step explanation:

x+x=90

2x=90 ,x=45 ,∆BAD=45

8 0

2 years ago

Can Someone tell me how to do this?

Veronika [31]