1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anika [276]
4 years ago
14

when using a counterexample to prove a conditional statement false, which must be true about the counterexample?

Mathematics
1 answer:
bagirrra123 [75]4 years ago
3 0
The science of correct reasoningLogicThe drawing of inferences or conclusions from known or assumed factsReasoningUses observations and patterns to arrive at a conclusion (conjecture)Inductive reasoningUses facts, rules, definitions, or properties to arrive at a conclusionDeductive reasoningA statement that can be written in if-then formConditional statementConditional statement symbol-->The opposite meaning of the original statementNegationsA statement, example, figure, etc... that proves that a statement is falseCounterexamplesIf you live in florida, then you live in miamiFalse; counterexampleWith counterexamples you should not correct the statement and give an example of why the statement is falseTrueAll true statement do have counterexamplesFalse they do notConditional symbolp-->qSwitch the hypothesis and conclusionConverseConditional and the converseBiconditional statementsJoins the conditional and converse into one statement<span>Bionditional statements</span>
You might be interested in
The half-life of Radium-226 is 1590 years. If a sample contains 500 mg, how many mg will remain after 2000 years? Preview mg Giv
d1i1m1o1n [39]

Answer:

a_{n}=209.09 mg

Step-by-step explanation:

given: material= radium

half life= 1590 years

initial mass a_{0} =500mg

we know that to calculate the amount left we use

a_{n} = a_{0}\left ( 0.5\right )^{n}

n=\frac{2000}{1590} = 1.2578

therefore

a_{n} = 500\times0.5^{1.2578}

a_{n}=209.09058407921 mg

a_{n}=209.09 mg amount left after 2000 years

4 0
4 years ago
ASAP please, find x
Jet001 [13]

Answer:

60

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is a counter example for the conjecture?
devlian [24]

Answer:

1 and 4

Step-by-step explanation:

it's a counterexample since the product, 4 is less than the sum, 5, proving the conjecture false.

7 0
3 years ago
The ratio of solid beads to clear beads in a vase is 820. Select all the correct statements that tell if the operations will giv
Tatiana [17]

Answer:

C, D and E

Step-by-step explanation:

Given

Represent solid beads with S and clear beads with C

So:

S:C = 8:20

Required

Select operations that give an equivalent ratio

First, we need to get the unit ratio

S:C = 8:20

Divide through by 4

S:C = 2:5 -- This means that, after any operation. The equivalent ratio must be 2: 5

Option A: Add 2 to S and 2 to C

S:C = 8:20

Perform the operation

S:C = 8 + 2 : 20 + 2

S:C = 10 : 22

Divide through by 2

S:C = 5:11

Option B: Subtract 8 from S and 6 from C

S:C = 8:20

Perform the operation

S:C = 8 - 8 : 20 - 6

S:C = 0 : 14

Option C: Multiply S and C by 2

S:C = 8:20

Perform the operation

S:C = 8*2:20*2

S:C = 16:40

Divide through by 8

S:C = 2:5

Option D: Divide S and C by 4

S:C = 8:20

Perform the operation

S:C = 8/2:20/4

S:C = 2:5

Option E: Multiply S and C by 18

S:C = 8:20

Perform the operation

S:C = 8*18:20*18

S:C = 144:360

Divide through by 72

S:C = 144/72:360/72

S:C = 2:5

<em>From the calculations above, options C, D and E gave an equivalent of 2:5.</em>

5 0
3 years ago
1. Which of the following steps are necessary to solve a quadratic equation of the form az? + bz+c=0 by factoring? Select all th
Radda [10]

Answer:

A.)

C.)

D.)

Step-by-step explanation:

Hope this helps:)

6 0
3 years ago
Other questions:
  • You inherit one hundred thousand dollars. You invest it all in three accounts for one year. The first account pays 4% compounded
    13·1 answer
  • Three more than the quotient of a number and 4 is equal to 8
    14·1 answer
  • Solve for x if 7x =21 a. X=-3 b.x=14 c. =3 d. X= -14
    15·1 answer
  • which equation is equivalent to (4x^5+11)^2 a.16x^5 +121 b.16x^10+ 121 c.16x^10+88x^5+ 121 d.16x^25+88^5+121
    7·2 answers
  • Troy is training for a coast-to-coast bike ride across the United States. He plans to maintain an average speed of 15 miles per
    12·2 answers
  • How many terms are in the polynomial? What type of polynomial is this?
    7·1 answer
  • Jim has 5 pair s of pants, 3 shirts, and 2 hats, how many different ways can he dress?
    9·1 answer
  • Identify the parent function that can be used to graph the function f(x)=2[x-6]
    13·1 answer
  • Why can you use the constant of proportionalty with any representation?​
    14·1 answer
  • .A teacher has 70 markers inter drawer. She
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!