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General
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
General
10 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?
General
10 months ago
What is the distance between points (8,3) and (8,-6) on a coordinate plane?
General
10 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.
General
10 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
General
10 months ago
Select two like fractions with a difference of 1/3 and with denominators that are not 3. Justify your selection.
General
10 months ago
What is the missing width of the speaker below when its volume is 30,000 cm3 ?
General
10 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?
General
10 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.
General
10 months ago
A polynomial function has a zero at 4 (multiplicity 3) and 0 (multiplicity 1). write a function in standard form
General
10 months ago
which shows the equation in standard form? 7 - 3 ( x -y) = 5x + 2A. 3x - 8y = 5B. 8x + 3y = 5C. 8x - 3y = 5D. 8x - 3y = -5
General
10 months ago
ashton left his house and ran 4 miles east and then 3 miles north. he then took the diagonall path back home. if the burned 105 calories every mile thet he ran, how many total calories did he burn on his run
General
10 months ago
A pair of dice are tossed. what is the probability that doubles are rolled, given that the sum on the two dice is less than 8?
General
10 months ago
The sum of the reciprocals of two consecutive odd integers is 24/143. find the two integers.
General
10 months ago
Which two inequalities can be written to solve the absolute value inequality?|4x-1|≤19Question 5 options:4x-1≥-19 and 4x-1≤194x-1≥-19 or 4x-1≤194x-1≥19 and 4x-1≤194x-1≥19 or 4x-1≤19
General
10 months ago
What is the solution of this system of linear equations?3y=3/2x+61/2y-1/4x=3A. (3,6)B. (2,1)C. No solutionD. Infinite number of solutions
General
10 months ago
Rebecca had 9/10 of a yard of ribbon. Then she gave 7/20 of a yard to a friend. How much does she have left? Explain your work
General
10 months ago
HELP PLEASE BRAINLIEST!Which statement best describes a graph of paired points that form a proportional relationship?A straight line can be drawn through all the points and the lines passes through the point where x = 0 and y = 0.A straight line can be drawn through all the points and the line passes through the point (3, 0) .A straight line cannot be drawn through all the points and the line passes through the origin.A straight line can be drawn through all of the the points but the line does not pass through the origin.
General
10 months ago
What is the center of a circle whose equation is x^2+y^2-12x-2y+12=0
General
10 months ago
which expression is equivalent to ^5√32x^5y^10z^15a- 2y^5z^10b- 2xy^2z^3c- 6y^5z^10d- 6xy^2z^3
General
10 months ago
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