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scoray [572]
3 years ago
10

Use the Distributive Property to write an equivalent 2(9 + 5k)

Mathematics
1 answer:
Svet_ta [14]3 years ago
6 0

Answer:

18+10k

Step-by-step explanation:

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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
A sphere which has a diameter of 6 inches has a volume of:
Burka [1]
The answer is 113 in cubed.

Hope this helps!
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3 years ago
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Which equation is NOT written in slope-intercept form? A. y = –9x B. 2x – 5 = 2y + 14 C. y = 7x + 3 D. y = –3
tankabanditka [31]

i think its B because its not arranged to give y=mx+c. if not its probably d

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3 years ago
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What is the Area of Triangle RST? Round your answer to the nearest tenth. *
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Answer:

Step-by-step explanation:

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3 years ago
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The sale price of ground beef at a local grocery store is $1.49 for the 1st pound and 1.09 for each additional pound which funct
bixtya [17]
Y=1.09(x-1)+1.49  where y is cost and x is in pounds we could further operate:

y=1.09x-1.09+1.49

y=1.09x+0.4 (note that the domain is x≥1)
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