A piece of solid, spherical glass has a circumference of 18.84 centimeters. The sphere is cut in half, creating two identical hemispheres. Using 3.14 for π, Tran computes the amount of paint needed to cover the sphere. Which statement about the amount of paint found by Tran is true?Tran found the minimum amount of paint needed to cover the curved surface of a hemisphereTran found the minimum amount of paint needed to cover the entire surface of one of the hemispheres.Tran found the minimum amount of paint needed to cover both hemispheres.Tran found the minimum amount of paint needed to cover the bases of both hemispheres.

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general 10 months ago 7270

Average Monthly TemperatureMonth TemperatureJanuary 45 degreesFebruary 42 degreesMarch 54 degreesApril 62 degreesMay 78 degreesJune 85 degreesJuly 92 degreesAugust 94 degreesSeptember 89 degreesOctober 78 degreesNovember 65 degreesDecember 54 degrees The average monthly temperatures for the city of Mathville are given in the chart above. One year, January's average temperature was 7 degrees warmer, February's was 3 degrees cooler, June's was 2 degrees cooler, August's was 3 degrees warmer, and November's was 7 degrees warmer. What did this do to the average yearly temperature?A) The average remained the same. B) The average increased by 1°. C) The average decreased by 1°. D) The average increased by 17°.

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general 10 months ago 3102

The networking organization you joined is throwing a party. You are in charge of buying the chips, which cost $2.50 per bag and salsa, which costs $4 per jar. The chips & salsa budget you are given totals $60. The inequality 2.5x + 4y less than or equal to 60 represents the possible combinations of chips (x) and salsa (y) you can buy.graph of the inequality 2.5 x plus 4 y is less than or equal to 60Which of the following does not represent a solution to the inequality? 10 bags of chips and 2 jars of salsa 20 bags of chips and 2 jars of salsa 14 bags of chips and 5 jars of salsa 18 bags of chips and 6 jars of salsa

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general 10 months ago 3383

Some track and field athletes feel that they are more likely to win a race if they start on the inside lane. The data above shows the number of winners for each lane, from Lane 1, the innermost lane and closest to the infield, out to Lane 6, the outermost lane and furthest from the infield. The data lists how many wins were recorded in each lane over 240 races.Find the value of x^{2} to show whether the chances of winning are equal in each lane.A.] 2.594B.] 2.6C.] 3.666D.] 6

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general 10 months ago 7699

The following table (picture 1) shows the distribution of customers that go each day to a Spa according to the Spa’s owner.A buyer observed how many people actually went to the Spa and came up with these numbers (picture 2):Which data proves that this distribution is not a good model to represent the observations?A.] The total number of people observed was too small a sample.B.] The data observed for Tuesday and Saturday do not fit the model.C.] The values for each day are too far apart.D.] The data for Monday and Wednesday do not fit the model.

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general 10 months ago 5931