MATH SOLVE

• A polynomial function has a zero at 4 (multiplicity 3) and 0 (multiplicity 1). write a function in standard form

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  9 months ago

• What is the converse of the statement?If two angles are right angles, then the angles are congruent.If two angles are obtuse, then the angles are not right angles.If two angles are congruent, then the angles are right angles.If two angles are not congruent, then the angles are not right angles.If two angles are acute, then the angles are not right angles.

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  9 months ago

• What is the standard deviation of company r's earnings per month for this year? (1) the standard deviation of company r's earnings per month in the first half of this year was $2.3 million. (2) the standard deviation of company r's earnings per month in the second half of this year was $3.9 million. 2. what is the standard deviation of q, a set of consecutive integers? (1) q has 21 members. (2) the median value of set q is 20. 3. lifetime of all the batteries produced by certain companies have a distribution which is symmetric about mean m. if the distribution has a standard deviation of d , what percentage of distribution is greater than m+d? (1) 68 % of the distribution in the interval from m-d to m+d, inclusive (2) 16% of the distribution is less than m-d 4. question deleted 5. list s and list t each contain 5 positive integers, and for each list the average of the integers in the list is 40. if the integers 30,40 and 50 are in both lists , is the standard deviation of the integers in list s greater than the standard deviation of the integers in list t? (1)the integer 25 is in list s (2)the integer 45 is in list t 6. set t consists of odd integers divisible by 5. is standard deviation of t positive? (1) all members of t are positive (2) t consists of only one member 7. set x consists of 8 integers. is the standard deviation of set x equal to zero? (1) the range of set x is equal to 3 (2) the mean of set x is equal to 5 8. {x,y,z} if the first term in the data set above is 3, what is the third term? (1) the range of this data set is 0. (2) the standard deviation of this data set is 0. 9. question deleted 10. a scientist recorded the number of eggs in each of 10 birds' nests. what was the standard deviation of the numbers of eggs in the 10 nests? (1) the average (arithmetic mean) number of eggs for the 10 nests was 4. (2) each of the 10 nests contained the same number of eggs. 11. during an experiment, some water was removed from each of the 6 water tanks. if the standard deviation of the volumes of water in the tanks at the beginning of the experiment was 10 gallons, what was the standard deviation of the volumes of water in the tanks at the end of the experiment? (1) for each tank, 30% of the volume of water that was in the tank at the beginning of the experiment was removed during the experiment. (2) the average (arithmetic mean) volume of water in the tanks at the end of the experiment was 63 gallons. calculating standard deviation of a set {x1, x2, ... xn}: 1. find the mean, m, of the values. 2. for each value xi calculate its deviation (xi-m) from the mean. 3. calculate the squares of these deviations. 4. find the mean of the squared deviations. this quantity is the variance. 5. take the square root of the variance. the quantity is th sd. tips: 1. |median-mean| <= sd?

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  9 months ago

• What is the missing width of the speaker below when its volume is 30,000 cm3 ?

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  9 months ago

• Select two like fractions with a difference of 1/3 and with denominators that are not 3. Justify your selection.

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  9 months ago

• 2. A chemist wants to make 4 liters of a 7% acid solution by mixing a 10% acid solution and a 4% acid solution. How many liters of each solution should the chemist use? Write your answer as a complete sentence Be sure to: (a) Define your variable and expressions for the quantities. (b) Write an equation that models the problem. (c) Solve the equation. (d) State the answer in a complete sentence Please help and explain

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  9 months ago

• A cylinder has a surface area of 1850 square meters and a radius of 9 meters. Estimate the volume of the cylinder to the nearest whole number.

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  9 months ago

• What is the distance between points (8,3) and (8,-6) on a coordinate plane?

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  9 months ago

• Shawna has $750 in the bank. She deposits $37.50 each week. Ruben has $850 in the bank. He deposits his paycheck of $102.75 every Monday, and he spends about $70.25 each week. After how many weeks will they have the same amount of money in the bank?

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  9 months ago

• Myra sells peach cobblers at a farmers market. She charges $12 for each cobbler. It costs her $5 to make each cobbler, and there is a $35 fee she must pay each week to have a booth at the market.write an inequality to find the number of cobblers mayra must sell easch week in order to make a profit

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  9 months ago

• lindsey and menon have 1,240 stickers. menon has 4 times as many stickers as lindsey. menon decides to have 6 stickers on each page of an album. how many stickers does menon have?

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  9 months ago

• EH is a diameter of D. The measure of is (10x + 8)° and the measure of is (11x)°. Determine the values. The value of x is . The measure of is degrees. The measure of is degrees.

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  9 months ago

• Which function does NOT represent exponential growth?y= 3(0.2)^xy= 3(2)^xy= 0.3(2)^xy=0.2(3)^x

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  9 months ago

• The table below represents the distance of a car from its destination as a function of time: Time (hours) x Distance (miles) y 0 900 1 850 2 800 3 750 Part A: What is the y-intercept of the function, and what does this tell you about the car? (4 points) Part B: Calculate the average rate of change of the function represented by the table between x = 1 to x = 3, and tell what the average rate represents. (4 points) Part C: What would be the domain of this function if the car traveled the same rate until it reached its destination? (2 points)

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  9 months ago

• Two hundred students at a school were surveyed about how early in the day school should begin. Half the students said the current start time was fine, 74 said school should start later, and 26 said school should start earlier. If a student who took the survey is chosen at random, what is the probability that student thinks school should start later?

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  9 months ago

• DG¯¯¯¯¯¯ , EG¯¯¯¯¯ , and FG¯¯¯¯¯ are perpendicular bisectors of the sides of △ABC . BE=3 cm and GE=4 cm.What is AG ?Enter your answer in the box.

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  9 months ago

• In triangle ABC shown below, side AB is 8 and side AC is 6:Triangle ABC with segment joining point D on segment AB and point E on segment AC.Which statement is needed to prove that segment DE is half the length of segment BC? Segment AD is 3, and segment AE is 4. Segment AD is 3, and segment AE is 6. Segment AD is 4, and segment AE is 6. Segment AD is 4, and segment AE is 3.

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  9 months ago

• What is the equation of the line that is perpendicular to the given line and passes through the point (5, 3)

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  9 months ago

• one day, gale and hector each recorded temperatures outside their homes. function g shows tempatures, in F, gale recorded c hours after noon. the graph shows temperatures, in f, hector recordrf x hours after noon

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  9 months ago

• What are the coordinates of the centroid of a triangle with vertices D(0, 1) , E(2, 6) , and F(7, 2) ?Enter your answer in the boxes.

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  9 months ago