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3 years ago

What is the difference between axiom and postulate theorem

Mathematics

1 answer:

nydimaria [60]3 years ago

6 0

Answer:

Axioms or postulates are universal truths. They cannot be proved. Theorem are statements which can be proved.

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2 stores sell gaming systems for $226.80, $200. How much does the first store have to discount for you to buy there

vazorg [7]

Answer:

The answer is $213.192

Step-by-step explanation:

The original price is $226.80 and the discount percentage is 6, so the discount is $13.608 and the answer is $213.192.

Hope this helps. :)

5 0

3 years ago

If X is a random variable with expected value 2, then the expected value of 5X will be:______

rewona [7]

Answer:

E(5X) = 10

Step-by-step explanation:

The expected value of a random variable X is denoted as; E(X)

Now we are told it's equal to 2.

Thus;

E(X) = 2

Now, we want to find the expected value of 5X

We will use the principle from expected value derivations below;

E(cX + d) = cE(X) + d

Also;

If E(X) = z

Then;

E(aX) will give; aE(X) = az

From our question, we have;

E(X) = 2

Thus;

E(5X) = 5E(X) = 5 × 2 = 10

5 0

3 years ago

The temperature at 7:00 a.m. was -5°F. By 4:00 p.m., the temperature had

4vir4ik [10]

Answer:

The temperature would be 4°F.

Step-by-step explanation:

3 0

3 years ago

13. Three friendsgo to the movies. They buy a large popcorn to share. They splitthe bag evenly into three smaller bags. If there

Sophie [7]

Answer:

18 3/4

Explanation:

First, we need to convert the mixed numbers into fractions, so:

$\begin{gathered} 12\frac{1}{2}=\frac{(12\times2)+1}{2}=\frac{24+1}{2}=\frac{25}{2} \\ 1\frac{1}{2}=\frac{(1\times2)+1}{2}=\frac{2+1}{2}=\frac{3}{2} \end{gathered}$

It means that Shamika worked 25/2 hours last week and this week she worked 3/2 times the hours worked last week. So, to know the number of hours worked this week we need to multiply 25/2 by 3/2 to get: