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luda_lava [24]
4 years ago
13

Which expression is equivalent to 3^8

Mathematics
1 answer:
Art [367]4 years ago
7 0

Answer:

3x3x3x3x3x3x3x3

Step-by-step explanation:

Or three eight times :)

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Four spinners are spun. Spinner 1 has outcomes Spinner 2 has outcomes Spinner 3 has outcomes Spinner 4 has outcomes The outcomes
aleksandrvk [35]

Complete Question

Four spinners are spun. Spinner 1 has outcomes {1,2,3,4,5,6,7,8} Spinner 2 has outcomes {1,2,3,4,5,6} Spinner 3 has outcomes {1,2,3,4,5,6} Spinner 4 has outcomes {1,2,3,4,5} The outcomes for each spinner are equally likely. S is the sum of the numbers that come up on the spinners. What is the expected value of S?

Answer:

E(s)=14.5

Step-by-step explanation:

From the question we are told that:

Spinner 1 ={1,2,3,4,5,6,7,8}

Spinner 2=  {1,2,3,4,5,6}

Spinner 3 = {1,2,3,4,5,6}

Spinner 4  {1,2,3,4,5}

Generally the equation for expected outcome is mathematically given by

E(s)=\sum P(x).x

Where

x=\frac{n(n+1)}{2}

For Spinner 1

E(s_1)=\sum \frac{1}{8}*\frac{8(8+1)}{2}

E(s_1)=4.5

For Spinner 2

E(s_2)=\sum \frac{1}{6}*\frac{6(6+1)}{2}

E(s_2)=3.5

For Spinner 3

E(s_2)=E(s_3)

For Spinner 3

E(s_4)=\sum \frac{1}{6}*\frac{6(6+1)}{2}

E(s_4)=3

Therefore The Expected Value

E(s)=\sum E(s 1..4)

E(s)=4.5+2(3.5)+3

E(s)=14.5

4 0
3 years ago
Which of these is an algebraic expression? A. 1 + 2 B. 2b – 5 C. 6 × 4 D. 102
Alexxx [7]
The answer is b because of the letter in the answer.
3 0
3 years ago
Changes you want to see in the world
Elden [556K]
The most changes that people want to see is less violence, world peace, no pollution, no more cutting down forest.
7 0
3 years ago
Read 2 more answers
*PLEASE ANSWER!!! , I WILL MARK BRAINLIEST!! , ASAP!!*
tamaranim1 [39]

A country's income distribution is the <em>distribution of total GDP among the total population</em>

<em>hope it helps</em>

5 0
3 years ago
What number should be added to the expression x^2+2x to change it into a perfect square trinomial?
sweet [91]
To make x^2 + 2x a perfect square we need to add the term { 2 / (2*1) }^2

which equals 1.

Add 1 to both sides: x^2 + 2x = 8

add 1 to both sides: x^2 + 2x + 1 = 8 + 1 (x + 1)^2 = 9

Take square root on both sides: x + 1 = +/- 3 x = +3 - 1 or x = -3 - 1 x = 2 or x = -4
6 0
3 years ago
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