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marin [14]
2 years ago
13

A distribution has a mean of 70.If 5 points are added to each individual score, the new mean would be

Mathematics
1 answer:
algol [13]2 years ago
3 0

Answer:

well its free

Step-by-step explanation:

asdasdasdasd

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Layla has a points card for a movie theater.
aniked [119]

Answer:

2

Step-by-step explanation:

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2 years ago
Danni is training for a marathon. Her target speed is 25 miles per hour. She currently runs 15 miles in 1/2 and hour. Does she a
Andrews [41]
Yes because if it’s fifteen in 1/2 an hour you multiply by two she is at 30 miles an hour which surpasses her goal by five
6 0
3 years ago
What is the coefficient of the x5y5-term in the binomial expansion of (2x – 3y)10? 10C5(2)5(3)5 10C5(2)5(–3)5 –10C5(2)5(–3)5 10C
butalik [34]

ANSWER

10C_5(2)^{5}( - 3)^5

EXPLANATION

The given binomial expansion is:

{(2x - 3y)}^{10}

Compare this to

{(a + b)}^{n}

we have a=2x , b=-3y and n=10

We want to find the coefficient of the term

{x}^{5}  {y}^{5}

This implies that, r=5.

The terms in the expansion can be obtained using

T_{r+1}=nC_ra^{n-r}b^r

We substitute the given values to obtain;

T_{5+1}=10C_5(2x)^{10-5}(  - 3y)^5

T_{6}=10C_5(2x)^{5}(3y)^5

T_{6}=10C_5(2)^{5}( - 3)^5 {x}^{5}  {y}^{5}

Hence the coefficient is;

10C_5(2)^{5}( - 3)^5

5 0
3 years ago
Read 2 more answers
Robin earned $4,320 in 9 weeks and worked 40 hours in each week. How much did he earn per hour?
quester [9]
Divide 4,320 between 9 and you'll get 408 per week. divide 408 between 40 and you'll get how much he makes per hour
6 0
4 years ago
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Whice set of side will make a triangle
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First things first.. What type of triangle

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∠60+∠60+∠60

∠30+∠90+∠60

∠11+∠82+∠87

7 0
3 years ago
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