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Archy [21]
3 years ago
5

Disprove the following statement by giving a counterexample. (Enter your answers as a comma-separated list.) For every integer p

, if p is prime then p2 − 1 is even.
Mathematics
1 answer:
ANTONII [103]3 years ago
7 0

Answer:

The given statement is not always true.

Step-by-step explanation:

The given statement is not true,

We have the statement that,

p² - 1 is even number; if p is any prime number.

But this statement is not true always as,

Examples: 2 is a prime number and 2² - 1 = 3

But, 3 is not even.

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Choose the correct simplification of the expression f4 • f8.
hammer [34]

Answer:

f^12

Step-by-step explanation:

In this equation, you need to add the two exponents so this would make f^12

hope this helps!

8 0
4 years ago
Read 2 more answers
2*8*5=2*5*8 identify the property that is shown
ira [324]
The property shown is commutative multiplication.  This property says that the product of two factors is not affected by the order in which they're multiplied.  In this case, the product remains the same i.e.,  2*8*5 = 80 while 2*5*8 <em>also </em>equals 80.
7 0
3 years ago
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-3/5*1/8 as fraction as the anwers
ahrayia [7]

How to get answer:

\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\cdot \frac{c}{d}=\frac{a\:\cdot \:c}{b\:\cdot \:d}\\=-\frac{3\cdot \:1}{5\cdot \:8}\\\mathrm{Multiply\:the\:numbers:}\:3\cdot \:1=3\\=-\frac{3}{5\cdot \:8}\\\mathrm{Multiply\:the\:numbers:}\:5\cdot \:8=40\\=-\frac{3}{40}

4 0
4 years ago
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Jake earned 30 points out of a total of 43 on his most recent math test. on his social studies test, jake scored 85 out of a pos
djverab [1.8K]

Answer: See explanation

Step-by-step explanation:

Your question isn't really clear but let me help.

For Maths test,

Point earned = 30

Total point = 43

Percentage = 30/43 × 100 = 69.77%

Social studies test

Point earned = 85.

Total point = 124

Percentage = 85/124 × 100 = 68.55%

From the above, we can see that Jake scored a higher percentage in the Maths test.

3 0
3 years ago
If z = 12.8, what is the value of 2(z - 4)? [Type your answer as a number.]
Anna35 [415]
17.6 is your answer 

Hope this helps!!
7 0
4 years ago
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