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3 years ago

8

True or false? If you took a true "if-then" statement, inserted a not in clause, and reversed the clauses, the new statement wou

ld also be true.

2 answers:

viva [34]3 years ago

8 0

Answer:

It's false

Step-by-step explanation:

Helga [31]3 years ago

4 0

If the statement is true, and you Rearrange it. It should still be true unless you added false facts into it.<span />

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Sarah cannot completely remember her four-digit ATM pin number. She does remember the first two digits, and she knows that each

OLga [1]

Answer:

3/16 or 0.1875

Step-by-step explanation:

Since she remembers the first two digits, she only has to guess the last two digits. If both digits are greater than 5, there are 4 possible alternatives for each digit (6, 7, 8 or 9).

In three tries, the probability that she will get it right is:

$P=\frac{3}{4*4}\\P=\frac{3}{16}=0.1875$

The probability she will get access to her account is 3/16 or 0.1875.

4 0

3 years ago

Arrange 439.216 439.126 439.612 439.261 in decreasing order

Thepotemich [5.8K]

hi <3

439.612, 439.261, 439.216, 439.126

hope this helps :)

7 0

3 years ago

Read 2 more answers

Consider f(x) = 4x^3 – 5, g(x) = 2x + 5 and h(x) =2x^2+2x. Which statement about (f + g – h) is true?

Natalka [10]

$\large{\mathcal{ANSWER:}}$

b) It is a cubic function of 4 terms.

In this case p(3) = t + 2 is synonymous for p = 3 + 2. Remember p is synonymous for y. So in this equation it is p = 5.

$\underline{\boxed{\purple{\tt{©⚘MissyRiel}}}}$

Hope this helps!

3 0

2 years ago

What is the converse of r->(~q v p)

alexira [117]

Answer:

$r => (\neg q \ \lor p) \ \equiv \ q \ \land \ \neg p => \neg r$

Step-by-step explanation:

In general, remember that the converse of $a => b$ is $\neg b => \neg a$ , therefore in this case $a = r \ \ , b = \neg q \ \lor p$

so $r => (\neg q \ \lor p) \ \equiv \ q \ \land \ \neg p => \neg r$

8 0

3 years ago

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-response question.

SpyIntel [72]

Let

x------> the number of multiple choice question

y------> the number of free response question

we know that

$3x+8y=55$ -----> equation A

$x+y=15$

$x=15-y$ -----> equation B

Substitute equation B in equation A

$3[15-y]+8y=55$

$45-3y+8y=55$

$5y=55-45$

$5y=10$

$y=2$

Find the value of x

$x=15-y$

$x=15-2=13$

therefore

<u>the answer is</u>

the number of multiple choice question are $13$

the number of free response question are $2$

5 0

3 years ago

Read 2 more answers