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Alenkinab [10]
2 years ago
7

Please help me I really need help with this

Mathematics
1 answer:
jok3333 [9.3K]2 years ago
4 0
Triangles must add up to 180° add your given numbers 36 and 92 then subtract that from 180 that should give you the missing angle C
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Factor 4x squared-35x+4
ANEK [815]
4x^2-35x+4\\\\a=4;\ b=-35;\ c=4\\\\\Delta=b^2-4ac\to\Delta=(-35)^2-4\cdot4\cdot4=1225-64=1161\\\\x=\frac{-b\pm\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{1161}=\sqrt{9\cdot129}=3\sqrt{129}\\\\x=\frac{-(-35)\pm3\sqrt{129}}{2\cdot4}=\frac{35\pm3\sqrt{129}}{8}\\\\4x^2-35x+4=4\left(x-\frac{35-3\sqrt{129}}{8}\right)\left(x-\frac{35+3\sqrt{129}}{8}\right)
8 0
3 years ago
elect the proper interpretation of a confidence interval for a mean at a confidence level of C % . a range of values produced by
Gnesinka [82]

Answer:

a range of values such that the probability is C % that a rndomly selected data value is in that range

Step-by-step explanation:

complete question is:

Select the proper interpretation of a confidence interval for a mean at a confidence level of C % .

a range of values produced by a method such that C % of confidence intervals produced the same way contain the sample mean

a range of values such that the probability is C % that a randomly selected data value is in that range

a range of values that contains C % of the sample data in a very large number of samples of the same size

a range of values constructed using a procedure that will develop a range that contains the population mean C % of the time

a range of values such that the probability is C % that the population mean is in that range

4 0
3 years ago
What does the product of the two circled numbers represent? ​
Stella [2.4K]

Answer:

18

Step-by-step explanation:

<u>Product</u> is another word for multiplication, and 2 * 9 = 18.

Hope this helps! :D

~Kk

8 0
2 years ago
Read 2 more answers
2(3v - 8) <br> please help xxxxxxxxxxxxxxxxxxxxxxxxxx
WINSTONCH [101]

Answer: 6 v − 16

Step-by-step explanation:

7 0
3 years ago
Does anyone know the answers to this questions
steposvetlana [31]

Answer:

6c + 36 =  6(c+6)

(6*c) + (6*6) =   6(c+6)

2(3c+3) =  6c+6

(6+c)+(6+6) =  neither

3c+6+3c =  6c+6

6c+12 =  neither

correct me if I am wrong cuz i haven't done this in 2 years

Step-by-step explanation:

going across the top row then the bottom

8 0
3 years ago
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