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guajiro [1.7K]
2 years ago
10

Please help a girl out!! really confused

Mathematics
1 answer:
Flura [38]2 years ago
5 0

Answer:14

Step-by-step explanation:To find the mean first add everything together and that will give you 84 then divide the total amount with the total amount of number  which is 6 and your answer is 14.

Step one:20+18+16+15+12+3=84  Step two:find the total amount of numbers which is 6.   Step three:divide 84÷6=14

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Amiraneli [1.4K]
It is C have a great day luv
3 0
2 years ago
Solve. x 2 −5x−8=0 x2−5x−8=0 Enter your answers, as exact values, in the boxes. x = or x =
Sidana [21]

Answer:

x2-5x-8=0  

Step-by-step explanation:

Two solutions were found :

x =(5-√57)/2=-1.275

x =(5+√57)/2= 6.275

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2"   was replaced by   "x^2".  

Step by step solution :

Step  1  :

Trying to factor by splitting the middle term

1.1     Factoring  x2-5x-8  

The first term is,  x2  its coefficient is  1 .

The middle term is,  -5x  its coefficient is  -5 .

The last term, "the constant", is  -8  

Step-1 : Multiply the coefficient of the first term by the constant   1 • -8 = -8  

Step-2 : Find two factors of  -8  whose sum equals the coefficient of the middle term, which is   -5 .

    -8 + 1 = -7  

    -4+  2 = -2  

    -2+  4 = 2  

    -1 +   8 = 7  

5 0
3 years ago
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A restaurant did a survey among 100 customers to find their food preferences. The customers were asked about their preferences f
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The values for the first part is..25 like choc...25 do not like choc..25 for the 3rd and yes..25 for 4th

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3 years ago
6. Nicole deposits $2,136 in a såvings account paying 5% interest rate. To the
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Answer: $3,166

Step-by-step explanation:

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2 years ago
Which figure has a shaded area closest to 63%
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Shape b has the shaded area closest to 63%
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