08/07/20

help I need help on this

The results of a survey of 47 students and the foreign language they are studying are shown in the two-way frequency table.What fraction of the surveyed students are taking Chinese?_______of the... more
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08/07/20

help me please i need help
Use dimensional analysis to convert the measurements.A dwarf sea horse swims at a rate of 49.68 feet per hour. Convert this speed to inches per minute.The speed is _______inches per minute.
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08/07/20

help me I don't get it
Drag and drop the appropriate property next to the steps to justify each step.X/3 − 9 = 15X/3=24x = 72
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08/07/20

Word problems for algebra
For every 9 students who were accepted for admission to a particular university, there were 19 students who were not accepted. If 644 students applied, how many were accepted for admission?
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08/07/20

Word problem in algebra

Luis picked up five scones and four large coffees for the office. He paid 21.50. Rachel picked up the next day 6 scones and 7 large coffees for the office and paid 30.09. What is the cost of one... more
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08/06/20

How long will it be before he has another day like today? Show how.
Gilbert vacuums the rugs every 14 days; checks on his neighbor’s cat every 2 days; and pays his rent every 30 days. Today he did all three. How long will it be before he has another day like today?... more
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08/06/20

How do you use standard deviation for percentages
Example. Potato chip bags normally have a mean of 71 chips with a standard deviation of 2. Approximately what percent of bags contain between 69 and 73 chips?
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08/06/20

Statistic question

The probability that Lisa passes her math class is 0.65, the probability that she passes her english class is 0.75, and the probability that she will pass her math class given that she passes her... more
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08/06/20

Statistic question

A local fire station has 3 fire engines operating independently. The probability that a specific engine is available when needed is 0.9.(a) What is the probability that neither is available when... more
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08/05/20

Solve for a in the oblique triangle
Using the Law of Sines, ABC: AB=30:AC=15, and the angle B=20 degrees.
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08/05/20

Odds against card selection
find the odds against selecting a face card or a spade when a card is drawn from a standard deck of cards
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08/04/20

algebra question
20.A railroad bridge spans a gorge 40 feet wide and connects two cliffs at heights of 98 and 158feet above the bottom of the gorge. A train is crossing this gorge from the higher cliff to thelower.... more
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08/03/20

Probability/ in a proposed business venture, a businesswoman estimates there is a 50% chance she will make $59,000 and a 50 % chance she will lose $61,000 determine her expected value

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08/02/20

PLEASE HELP ME W THIS
Find the standard deviation for the set of data.{27, 14, 7, 21, 19, 23, 26, 30, 4}A. 6.31B. 8.49C. 6.39D. 7.09
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08/02/20

Solving by Factoring assignment
1. Solve 6x2 +5x - 4 = 0 by factoring. Enter each step. 2. When solving an equation set equal to zero by graphing, why are the x-intercepts the solutions to the equation? Create an example... more
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08/02/20

Solving Right Triangles
Suppose a = 7 and c = 9. find b ,A ,B
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08/01/20

find the following .. cot2x
Let cos x = 7/8 with A in QIII and find the following.cot 2x
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07/31/20

please help me ok
Andrew is a small business owner who wants to hire an accountant. Accountant A is offering his services for $50 an hour. Accountant B is offering her services for $35 an hour plus an initial fee of... more
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07/31/20

can help please
look at each equation. Is the equation linear? Select Yes or No for each equation. 1)−3x + y = 8 yes or no2) 3 = xy + 9 yes or no 3) y = x3 − 3 yes or no
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07/31/20

help help me please
Look at each equation. Does the graph of the equation include the point (−6, 3)? Select Yes or No for each equation.1y = −2x − 62 y + 3 = 2(x + 9)y − 4 = 1/2(x + 4)
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07/31/20

NEED HELP LIKE ASAP!! (MATH)
You are given the task of opening a snow cone stand at your local high school football game. You are given $100 to buy needed supplies for the stand. You still need to purchase the ice blocks for... more
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07/31/20

A point M on a segment with endpoints X (1, −2) and Y (10, 3) partitions the segment in a 5:1 ratio. Find M. You must show all work to receive credit.
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07/31/20

Test Statistic and P-Value
You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly less than 0.86. You use a significance level... more
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07/31/20

Test Statistic and P-Value
Test the claim that the proportion of people who own cats is smaller than 70% at the 0.01 significance level.The null and alternative hypothesis would... more
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07/31/20

Test Statistics and Critical Value

You wish to test the following claim (HaHa) at a significance level of α=0.002α=0.002.      Ho:p=0.42Ho:p=0.42       Ha:p<0.42Ha:p<0.42You obtain a sample of size n=139n=139 in which there... more
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