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what is the average rate of change of the function f (x) = 20 (1/4)^x from x=1 to x = 2enter your answer as a decimal in the boxDo NOT round your answer
General
8 months ago
mike rents a car for a total of £445 the rental changes are £145 for the first day and £60 per day after that for how many days did mike rent the car show your working out
General
8 months ago
julie buys 2kg of apples and 7kg of pears £12.70. the pears cost £1.30 per kilogram what is the price per kilogram of the apples? show your working out
General
8 months ago
Parallelogram ABCD is dilated to form parallelogram WXYZ. What corresponding side is proportional to segment AD?
General
8 months ago
A country population in 1992 was 39 million in 1997 it was 42 million estimate the population in 2009 using the exponential growth formula round your answer to the nearest million
General
8 months ago
PLEASE HELP !!!!!!!Relationship A and Relationship B show the change in the temperature for a pot of water on the stove. Relationship B has a greater rate than Relationship A. This table represents Relationship A. Time (min) 2 , 3 , 7 , 9Temperature (°C) 61.3 , 64.9 , 79.3 , 86.5What table could represent Relationship B? (A) Time (min) 2 , 3 , 7 , 9Temperature (°C) 61.0 , 64.4 , 78 , 84.8(B) Time (min) 2 , 3 , 7 , 9Temperature (°C) 60.6 , 64.3 , 79.1 , 86.5(C) Time (min) 2 , 3 , 7 , 9Temperature (°C) 61.8 , 65.3 , 79.3 , 86.3(D) Time (min) 2 , 3 , 7 , 9Temperature (°C) 61.0 , 64.6 , 79.0 , 86.2
General
8 months ago
Which rule describes the composition of transformations that maps rectangle PQRS to P''Q''R''S''? R0,270° ∘ T0,2(x, y) R0,180° ∘ T2,0 (x, y) T0,2 ∘ R0,270°(x, y) R0,2 ∘ T0,180°(x, y)
General
8 months ago
A consumer report counted 72 low quality, 112 medium quality, and 711 high quality computers based on a random sample. The report went on to say that all computers, regardless of quality, are packaged identically and sold at the same price. Use the observed frequencies to create a probability model for the quality of the next computer purchased
General
8 months ago
James determined that these two expressions were equivalent expressions using the values of x=4 and x =6 Which statements are true? Check all that apply.7x+4 and 3x+5+4x-1When x=2, both expressions have a value of 18.The expressions are only equivalent for x=4 and x=6The expressions are only equivalent when evaluated with even values.The expressions have equivalent values for any value of x.The expressions should have been evaluated with one odd value and one even value.When x=0, the first expression has a value of 4 and the second expression has a value of 5.The expressions have equivalent values if x=8.
General
8 months ago
−px+r=−8x−2 solve for x
General
8 months ago
Two missiles are initially 5000 miles apart. They travel along a straight line directly towards one another, one traveling at 2000 miles per hour and the other at 1000 miles per hour. How many miles apart are they 1 minute before impact?
General
8 months ago
Triangle ABC has been dilated to form triangle A'B'C'. If sides AB and A'B' are proportional, what is the least amount of additional information needed to determine if the two triangles are similar? Angles B and B' are congruent, and angles C and C' are congruent. Segments AC and A'C' are congruent, and segments BC and B'C' are congruent. Angle C=C', angle B=B', and segments BC and B'C' are congruent. Segment BC=B'C', segment AC=A'C', and angles B and B' are congruent.
General
8 months ago
Use compass directions to describe the Direction of a vector. The diagram is not drawn to scale
General
8 months ago
graph the function xy + 16 = 0
General
8 months ago
what is the domain of the relation shown below ( 4,2),(1,1),(0,0),(1,-1),(4,-2)
General
8 months ago
Ashley bought a bag of 15 sweet potatoes. She used 2/5 of them for sweet potato casserole and 1/3 of them for sweet potato pie .what fraction of the potatoes did she use
General
8 months ago
If you select 10 Sundays from the school year at random, is likely to have studied the most hours overall, and is likely to have studied the least hours overall. NextReset
General
8 months ago
Identify the following series as arithmetic, geometric, both, or neither. -3 + 3 - 3 + 3 - 3 + . . . neither both arithmetic geometric
General
8 months ago
Write a quadratic function in standard form having zeros of -9 and -12
General
8 months ago
Help quickly! A student wants to report on the number of movies her friends watch each week. The collected data are below:214120102Which measure of center is most appropriate for this situation and what is its value?
General
8 months ago
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