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Alenkinab [10]
2 years ago
15

13. A counterexample

Mathematics
2 answers:
nikklg [1K]2 years ago
6 0

Answer:

. shows that a conjecture is not always true

Step-by-step explanation:

How?

  • If you want to prove something you give an example or proof.
  • But if you want to disprove that you need an counterexample.
marin [14]2 years ago
5 0

Answer:

b

Step-by-step explanation:

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The temperature of a freezer started at 18 degrees Celsius.After cooling for a few hours, the freezer had a temperature of -12 d
bixtya [17]

Answer:

Step-by-step explanation:

Difference = New temperature - original temperature

                  = -12 - (18)

                 = - 30

New temperature is 30° less than the original temperature

4 0
2 years ago
Which values for x and y make the statement (x + 5)(y - 6) = 0 true?
-BARSIC- [3]
<span>                             ||Solving \ for \ x. ||  </span>

(x + 5)(y - 6) = 0 

(x + 5)(y - 6) = 0 :x

&#10;x+5=0&#10; &#10;  |Divide \ both \ sides \ by \ y-6| 

&#10;x=-5&#10; &#10;  |Subtract \ 5 \ from \ both \ sides|

                           ||Solving \ for \ y. || 

&#10;y-6=0&#10; &#10;  |Divide \ both \ sides \ by \ x+5| 
 
&#10;y=6&#10; &#10; 

Solution =\ \textgreater \ x = -5, y = 6
6 0
3 years ago
Help asapppppp <br> Rewrite the formula
Allushta [10]

Answer:

{ \tt{A =  \frac{1}{2} bh}} \\  \\ { \tt{bh = 2A}} \\  \\ { \boxed{ \tt{h =  \frac{2A}{b} }}}

• A is 18 in²

• b is 9 in

{ \tt{h =  \frac{2 \times 18}{9} }} \\  \\ { \tt{h =  \frac{36}{9} }} \\  \\ { \boxed{ \tt{h = 4 \:  \: in}}}

4 0
2 years ago
Read 2 more answers
Based on information below (2 countries x 2 products), if US has comparative advantage in producing Rice, what can you say about
olga55 [171]

Answer:

Check the explanation

Step-by-step explanation:

US has a comparative advantage in producing rice.

This means US's opportunity cost of producing rice is less than that of Korea.

Korea's opportunity cost of producing rice will be given as:

For producing 9 units of Rice, Korea gives up 5 cars.

For producing 1 unit of rice's, Korea will give up 5/9 units of car.

Kindly check the image below.

7 0
3 years ago
What is 94.85 to the nearest tenth
allsm [11]

Answer:

94.90

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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