Mathematics, 06.12.2019 17:31 joylsbarbour
Which equation represents a parabola opening to the left with a vertex at the origin and a focus at (-7, 0)?
a. x=1/28 y^2
b. x= - 1/28 y^2
c. y= 1/20 x^s
d. y= - 1/20 x^s
Answers: 1
Mathematics, 21.06.2019 13:30
Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?
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Mathematics, 21.06.2019 17:40
The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?
Answers: 2
Mathematics, 21.06.2019 18:00
Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}
Answers: 1
Which equation represents a parabola opening to the left with a vertex at the origin and a focus at...
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