The triangle inequality applies.

a) 10000 < 1000 +10x
.. 1000 < 100 +x
.. 900 < x

b) 1000 < 10000 +10x
.. 100 < 1000 +x
.. -900 < x

c) 10x < 10000 +1000
.. x < 1100

x can be between 900 and 1100

7 0

3 years ago

Please answer this fast I have been a month try to answer it thank you.

Korvikt [17]

Answer:

(a) 3x -5 =25

(b) x^2 + y = 18

(d) 1•5x + x =2(x-4)

Step-by-step explanation:

8 0

3 years ago

How many inches are in a yard?

Alina [70]

3 feet in a yard, 12 inches in a foot, 3*12 is 36. 36 is the answer.

7 0

3 years ago

Read 2 more answers

2x^2=3x+10 completing the square

galina1969 [7]

Answer:

$x_{1} = \frac{ - \sqrt{89 + 3} }{4}$

$x_{2} = \frac{ \sqrt{89 + 3} }{4}$

Step-by-step explanation:

1) Move the variable to the left

2) Divide both sides

3) Add the same value to both sides

4) Add 9/16 to the expression

5) Add 9/16 to the right-hand side

6) Recalculate then solve

8 0

2 years ago