2 years ago

What is an open sentence in math? And how is it different from true or false?

1 answer:

5 0

An open sentence in math means that it uses variables, meaning that it is not known whether or not the mathematical sentence is true or false.

A closed sentence, on the other hand, is a mathematical sentence that is known to be either true or false

You might be interested in

timurjin [86]

Answer:

CD = 27

Step-by-step explanation:

Given the triangles are similar then the ratios of corresponding sided are equal, that is

$\frac{CD}{KD}$ = $\frac{CB}{KL}$ , substitute values

$\frac{CD}{9}$ = $\frac{30}{10}$ = 3 ( multiply both sides by 9 )

CD = 27

7 0

2 years ago

Svet_ta [14]

Answer:

Hope you find it helpful and usef

7 0

2 years ago

MAVERICK [17]

Answer:

90 degrees

Step-by-step explanation:

angle ABC is a right angle

5 0

3 years ago

Lunna [17]

Step-by-step explanation:

The constant of proportionality is the ratio of the cost to the number of pounds of walnuts. In other words, it is the price of one pound of walnuts.

$10.92 / 4 lb = $2.73 / lb

6 0

2 years ago

Lelechka [254]

To convert km/s to m/min, multiply by 1000*60=60000

hence 0.85km/s=51000 m/min

5 0

3 years ago