All categories

4 years ago

What does it mean if an equation is true, false, or open? Give definitions of each.

1 answer:

6 0

<span>I'm gonna do the example of this equation 2+2, as we all know when we add it together the sum of it is 4 , here are the examples: 2 + 2 = 4 is true
2 + 3 = 4 is false
x + 3 = 4 is open</span>

You might be interested in

Solve equation <br> -143 = 1+8(3 – 3b)

rodikova [14]

Answer:

b = 7

Step-by-step explanation:

-144 = 8(3-3b)

-18 = 3-3b

-21 = -3b

b = 7

4 0

4 years ago

Read 2 more answers

Given tanx=8/15 when pi < x < 3pi/2, find tan x/2.

S_A_V [24]

Answer:

$tan(x/2)=-4$

Step-by-step explanation:

we know that

The angle x belong to the III quadrant -----> given problem

step 1

Find the angle x

$x=arctan(8/15)=28.07\°$

Remember that the angle x belong to the III Quadrant

$x=28.07\°+180\°=208.07\°$

step 2

Find angle x/2

$x/2=208.07\°/2=104.035\°$

step 3

Find tan(x/2)

$tan(104.035\°)=-4$

8 0

3 years ago

Which formula should be used to find the midpoint of <br> EF?

Maru [420]

Answer:

You would use the midpoint formula.

Step-by-step explanation:

5 0

3 years ago

For the inequality, -4x + 5 >-5

vodka [1.7K]

Answer:

x<2.5

Step-by-step explanation:

-4x +5>-5

-4x>-5-5

-4x>-10

x<10/4(on multiplying (-)ve sign both the sides inequality changes)

x < 2.5

8 0

3 years ago

What is 3 root of 125

olga2289 [7]

Hey there, 125/5=25 and 25*5=125, Therefore, ∛125=5

8 0

3 years ago