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vaieri [72.5K]
3 years ago
15

The sum of all of the solutions for the equation (6x+k)(3x-11)=0 is 1. What is the value of k?

Mathematics
1 answer:
Ad libitum [116K]3 years ago
6 0

Answer:

-6x

Step-by-step explanation:

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GarryVolchara [31]

Answer:

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Step-by-step explanation:

the opposite of 12 is -12

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Assume that 200 babies are born to 200 couples treated with the XSORT method of gender selection that is claimed to make girls m
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Answer:

a) test statistic = 2.12

b) p-value = 0.017

c) we reject the Null hypothesis

Step-by-step explanation:

Given data :

N = 200

girls (x) = 115 , Boys = 85

p = x / n = 115 / 200 = 0.575

significance level ( ∝ ) = 0.1

<em>aim : test whether the proportion of girls births after the treatment is greater than 50% that occurs without any treatment </em>.

<u>A) Determine the test statistic </u>

H0 : p = 0.5

Ha : p > 0.5

to determine the test statistic we will apply the z distribution at ( ∝ ) = 0.1

Z - test statistic = ( 0.575 - 0.5)  / \sqrt{0.5*0.5 / 200}  = 2.12

<u>b) determine the p-value</u>

The P-value can be determined using the normal standard table

P-value = 1 - p(Z< 2.12 )  =  1 - 0.9830 = 0.017

c) Given that the p value ( 0.017 ) < significance level ( 0.1 )

we will reject the H0 because there is evidence showing that proportion of girls birth is > 50%

3 0
3 years ago
Which number is a solution of the inequality x &lt;-4? Use the number line to help answer the question.
Fantom [35]

Answer:

0 is the answer

Step-by-step explanation:

4 0
3 years ago
A parallelogram cannot be a cross section of a triangular prism
abruzzese [7]
The question presented is not answerable because it just presented a mere statement. 
7 0
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Read 2 more answers
Solve the system of equations x+y= -13 and 4x + 6y = -72 by combining the<br> equations.
uranmaximum [27]

Answer:

Step-by-step explanation:

Fist you add -13 to 6y and than 4x that should be 69420

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