3 years ago

The following are examples of different variables. Which are discrete variables?

Mathematics

2 answers:

UkoKoshka [18]3 years ago

8 0

Answer:

D. and E.

Step-by-step explanation:

arsen [322]3 years ago

4 0

Answer:

Step-by-step explanation:

Number of pizzas sold in a night.

Number of games played in a football season.

Got this answer from Apex. Hope it helps

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Use mathematical induction to prove that for each integer n > 4,5" > 2^2n+1 + 100.

Flura [38]

Answer:

The inequality that you have is $5^{n}>2^{2n+1}+100,\,n>4$ . You can use mathematical induction as follows:

Step-by-step explanation:

For $n=5$ we have:

$5^{5}=3125$

$2^{(2(5)+1)}+100=2148$

Hence, we have that $5^{5}>2^{(2(5)+1)}+100.$

Now suppose that the inequality holds for $n=k$ and let's proof that the same holds for $n=k+1$ . In fact,

$5^{k+1}=5^{k}\cdot 5>(2^{2k+1}+100)\cdot 5.$

Where the last inequality holds by the induction hypothesis.Then,

$5^{k+1}>(2^{2k+1}+100)\cdot (4+1)$

$5^{k+1}>2^{2k+1}\cdot 4+100\cdot 4+2^{2k+1}+100$

$5^{k+1}>2^{2k+3}+100\cdot 4$

$5^{k+1}>2^{2(k+1)+1}+100$

Then, the inequality is True whenever $n>4$ .

3 0

3 years ago

MATH SMARTIES I NEED HELP i will give brainliest CAN YOU TELL ME IF MY ANSWER IS CORRECT AND IF NOT CORRECT CAN YOU TELL ME THE

GaryK [48]

Answer: 4

Step-by-step explanation: Since the total number of games played in the graph is 12, if you half that and get six, you half the total number of wins as well and get 4. :]

3 0

3 years ago

Read 2 more answers

What is the estimated sum? Round each addend to the nearest thousand before adding. 75,364 + 472,756 . A. 550,000 B. 548,000 C.

exis [7]

Hey!

We can round 75,364 to 75,000 and 472,756 to 473,000

75,000 + 473,000 = 548,000

So, the answer is B. 548,000 =)

5 0

4 years ago

Which fraction is equal to 1/4? 4/16,6/30 or 5/15

Paha777 [63]

1/4 is equal to 4/16

5 0

3 years ago

Which expression is equivalent to -3.5(4x – 3)?

Masja [62]

First, you need to solve the equation.

-3.5 * 4x = -14x
-3.5 * -3 = 10.5

C) -14x + 10.5

Hope this helps!

3 0

4 years ago