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The graph of a proportional relationship passes (13, 26). What other point must the graph pass through? plz explain and show your work. A. ( 8, 32) B. ( 33, 11) C. (5, 10 ) D. ( 24, 12)
General
2 months ago
The circumference of a circle is 15π centimeters. What is the area of the circle in terms of π?A. 7.5π cm²B. 15π cm²C. 56.25π cm²D. 225π cm²
General
2 months ago
Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is normally distributed with mean 2.68 and standard deviation 0.81. (a) If a random sample of 25 specimens is selected, what is the probability that the sample average sediment density is at most 3.00? Between 2.68 and 3.00? (Round your answers to four decimal places.) at most 3.00 between 2.68 and 3.00 (b) How large a sample size would be required to ensure that the probability in part (a) is at least 0.99? (Round your answer up to the nearest whole number.) specimens
General
2 months ago
Which expression is equivalent to 8.6 +( -3.5)? Plz show work and explainA. 3.5 - ( -8.6) B. 8.6 - ( -3.5)C. -( 3.5 - 8.6) D. -(8.6 - 3.5)
General
2 months ago
A new car is purchased for 17300 dollars. The value of the car depreciates at 9.25% per year. What will the value of the car be, to the nearest cent, after 15 years?
General
2 months ago
The function C(h)=(2h^2+5h)/(h^3+8) models the concentration of medication in the bloodstream (as a percent) h hours after its injection into muscle tissue. 1. a. Determine the domain of the function in the context of this problem.b. Find the equation of the vertical asymptote of this function. {Hint: a^3+b^3=(a+b)(a^2-ab+b^2)} Would this concern a medical professional? Explain. 2. Find the equation of the horizontal asymptote. What does this mean in this context?3. Find all of the intercepts of C and interpret their meaning in the context of this problem.4. How many hours after injection does a maximum concentration of the drug occur in the bloodstream? Round answer to the nearest hundredth.
General
2 months ago
The mean of the data set is 15. What number is missing of these data set: 18, 16, - 9, 12, 23
General
2 months ago
Find the area of the yellow region. Round to the nearest tenth.
General
2 months ago
Establishing the properties of materials is an important problem in identifying a suitable substitute for biodegradable materials in the fast food packaging industry. Consider the following data on product density (g/cm3) and thermal conductivity K-factor (W/mK) published in Materials Research and Innovation (1999, pp 2-8). Thermal Conductivity, Y Product Density, X 0.049000 0.185000 0.053500 0.230000 0.055000 0.235000 0.054500 0.236000 0.058000 0.260000 0.062000 0.286500 (a) Create a scatter diagram of the data. What do you anticipate will be the sign of the sample correlation coefficient? (b) Compute to 4 decimal places the sample correlation. Hint: Carry all calculations out to six (6) significant digits.
General
2 months ago
Given: m arc IV =114°, m∠VSK=38° Find: m PK
General
2 months ago
GEOMETRY PLEASE HELP
General
2 months ago
Consider the two planes.In the diagram, the only figure that could be parallel to linecline a.line b.line d.plane Q.
General
2 months ago
help me please and explain. FIND THE AREA OF THE UNSHADED REGION
General
2 months ago
Use Euler's method with step size 0.2 to estimate y(2), where y(x) is the solution of the initial-value problem y' = 2 − 3xy, y(1) = 0. (Round your answer to four decimal places.)
General
2 months ago
Which describes the collection of all points in the same plane that are 8 1/2 inches from point T? A.) Circle T with radius 8 1/2 inches B.) circle T with diameter 8 1/2 inches C.) circle T with radius 17 inches D.) a sphere with center T and radius 8 1/2 inches
General
2 months ago
To obtain information on the corrosion-resistance properties of a certain type of steel conduit, 45 specimens are buried in soil for a 2-year period. The maximum penetration (in mils) for each specimen is then measured, yielding a sample average penetration of x = 53.4 and a sample standard deviation of s = 4.4. The conduits were manufactured with the specification that true average penetration be at most 50 mils. They will be used unless it can be demonstrated conclusively that the specification has not been met. What would you conclude? (Use α = 0.05.) State the appropriate null and alternative hypotheses.
General
2 months ago
help me to match this proof this is very difficult for me
General
2 months ago
the point (-3,-2) is rotated 180 degrees about the origin. what are the coordinates of its image?
General
2 months ago
The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the eighth grade level.Step 1 of 2 : Suppose a sample of 2004 tenth graders is drawn. Of the students sampled, 1584 read above the eighth grade level. Using the data, estimate the proportion of tenth graders reading at or below the eighth grade level. Enter your answer as a fraction or a decimal number rounded to three decimal places.
General
2 months ago
The probability that a person with certain symptoms has hepatitis is 0.75. The blood test used to confirm this diagnosis gives positive results for 86?% of people with the disease and 5?% of those without the disease. What is the probability that an individual who has the symptoms and who reacts positively to the test actually has? hepatitis?
General
2 months ago
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