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Setler [38]
3 years ago
6

The line plot shows the distances some students jumped during a Field Day competition.

Mathematics
1 answer:
trapecia [35]3 years ago
5 0
To answer this question here is what you would do. I can't give you the exact answer because there is not a line plot attached.

Count the number of X's above the number 5 1/2 feet. Put this number over the total number of X's you count (including the 5 1/2s).

This is your answer when you write these 2 pieces of information in fraction form.
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Solve 2Q + 5s=r for s and show ALL your steps.
likoan [24]

Answer:

2q-r= 5s

divide both sides by 5

2q-r/s =5s/5

therefore S= 2q-r/s

4 0
2 years ago
Read 2 more answers
Add: (-5u5 + 5) + 7u5
balu736 [363]

Answer:

2u^5+5

Step-by-step explanation:

Drop parenthesis and add like terms.

7u^{5}-5u^{5}+5=2u^{5}+5

Hope this helps!

If not, I am sorry.

7 0
1 year ago
The probabilities that a customer selects 1, 2, 3, 4, or 5 items at a store are 0.32, 0.12, 0.23, 0.18, and 0.15, respectively.
Andrew [12]

Answer:

a. This is a probability distribution as ∑pi=1

b. 2.72

c. 1.45

Step-by-step explanation:

a. To verify the probability distribution we simply add all given probabilities and see whether they sums up to 1 or not. According to definition of probability distribution sum of probabilities should be 1 so,

∑pi=0.32+0.12+0.23+0.18+0.15=1

Hence it is verified that given distribution is a probability distribution.

b. Mean number of items selected= E(x)= ∑x*p(x)

here x =1,2,3,4,5 and p(x)=0.32,0.12,0.23,0.18,0.15.

mean number of items=1*0.32+2*0.12+3*0.23+4*0.18+5*0.15=2.72

c. standard deviation of number of items=sqrt[(∑x²*p(x))-(∑x*p(x))²]

∑x²*p(x)=1*0.32+4*0.12+9*0.23+16*0.18+25*0.15=9.5

(∑x*p(x))²=(2.72)²=7.4

standard deviation of number of items=sqrt[(∑x²*p(x))-(∑x*p(x))²]=sqrt(9.5-7.4)=sqrt(2.1)=1.45

6 0
3 years ago
Which set of points represents a function?
user100 [1]

Answer:

Step-by-step explanation:

all u really need to do for this is look at ur x values.....if there is no repeating x values, then it is a function. A function can have repeating y values....just not the x values

A. This is a function because there is no repeating x values

B. not a function....u have repeating x values of -1

C. not a function...u have repeating x values of 3

D. not a function...u have repeating x values of -1

5 0
3 years ago
A candle is 7 in. tall after burning for 1 h. The same candle is in. tall after burning for 4 h. How tall will the candle be aft
V125BC [204]

After burning 6 hours the candle will be 4 1/2 in. tall.

8 0
3 years ago
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