3 years ago

Solve the following inequality.

Mathematics

1 answer:

Crazy boy [7]3 years ago

4 0

Answer:

A -6 < x ≤ -3

Step-by-step explanation:

21 ≤ - 3(x - 4) < 30

Divide all parts by -3. Remember that flips the inequalities

21/-3 ≥ - 3/-3 (x - 4) > 30/-3

-7 ≥ (x - 4) > -10

Add 4 to all sides

-7+4 ≥ x - 4+4 > -10+4

-3 ≥ x > -6

Rearranging the order

-6 < x ≤ -3

You might be interested in

$350 increased by 42%

irina [24]

Answer:

497

Step-by-step explanation:

350*1.42

6 0

2 years ago

Read 2 more answers

Question 1

storchak [24]

Answer:

(0,-3)

Step-by-step explanation:

To find the point of intersection for the two lines, we solve the two equations simultaneously

$x=0, y=-3$ $x=0 y=-3$

4 0

3 years ago

Read 2 more answers

What is the simplified expression for:

kari74 [83]

81=3^4
I hope this helps! Good luck!

5 0

3 years ago

The sum of the ages of ahsan and his mother is 61 years.The difference in their ages is 29 years.By forming a pair of simultaneo

Llana [10]

Answer:

(i). Ahsan's Present Age = 16

(ii). Age of Ahsan's Mother when ahsan is 21 years old = 50

Step-by-step explanation:

Let's say, x represents the age of ahsan.

y represents the age of his mother.

The system of equation from the date given is:

$\begin{bmatrix}x+y=61\\ -x+y=29\end{bmatrix}$

Solve them will get us:

$x=16,\:y=45$

Regards: Umer

8 0

3 years ago

3x<11.75 solve for x please, with step on how you got to that answer!

seropon [69]

Answer:

See below

Step-by-step explanation:

3x < 11.75

11.75 / 3 = 3.92

x < 3.92

8 0

2 years ago