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Daniel is enrolling for a test prep class. The expression below represents the hourly charges, including the cost for the materials. $30x + $651. The constant of the expression represents the ___ A. cost of materialsB. Cost per hourC. Number of hours2. and the coefficient of x represents the__ A. Cost per hourB. cost of materialsC. number of hours
General
10 months ago
The expression below represents the number of boxes of cookies sold by a girl scouts troop with 14 members at the school fair, where x is the number of days after the first day of the fair.14(22x)+350Interpret the meaning of each term in the expression.The first term indicates that the 14 girl scouts each sold 25 boxes of cookies per additional day of the fair. The second term indicates that the 14 girl scouts each sold 22 boxes of cookies on the first day of the fair.The first term indicates that the 14 girl scouts each sold 22 boxes of cookies per additional day of the fair. The second term indicates that the 14 girl scouts each sold 25 boxes of cookies on the first day of the fair.The first term indicates that the 14 girl scouts each sold 22 boxes of cookies on the first day of the fair. The second term indicates that the 14 girl scouts each sold 25 boxes of cookies per additional day of the fair.The first term indicates that the 14 girl scouts each sold 25 boxes of cookies on the first day of the fair. The second term indicates that the 14 girl scouts each sold 22 boxes of cookies per additional day of the fair.
General
10 months ago
Jen, carrie, and fran are each thinking of a number. when you add their numbers together you get 207. jen's number is 9 more than carrie's, and fran's number is 3 less than jen's number. what is fran's number?
General
10 months ago
Point) a norman window has the shape of a rectangle with a semi circle on top; diameter of the semicircle exactly matches the width of the rectangle. find the dimensions w×hw×h of the norman window whose perimeter is 1000in.1000in. that has maximal area.
General
10 months ago
A single die is rolled twice. The 36 equally-likely outcomes are shown to the right. Find the probability of getting first an odd number and second an even number.
General
10 months ago
prove the identity (cosx+cosy)^2+(sinx-siny)^2= 2+2cos(x+y)If at all possible, please provide a two-columned answer, explaining each step. Thank you :D
General
10 months ago
I need help on the Wednesday column, question 1, letter b.
General
10 months ago
What is the equation in standard form for your ellipse? what are the coordinates for the center? what are the coordinates of the two focus points? what is the major axis length of your ellipse, and how do you know this? what letter in the pythagorean relation represents this distance? what is the minor axis length of your ellipse, and how do you know this? what letter in the pythagorean relation represents this distance? how might the ellipse you drew be different from the ellipses of others in the class? how might your ellipse be similar to the ellipses of others in the class?
General
10 months ago
You are presented with three urns. each urn has 10 marbles. in addition, each urn holds only black or red marbles. urn 1 has 3 red marbles. urn 2 has 8 red marbles. urn 3 has 5 red marbles. you randomly pick 1 marble from 1 of the three urns. calculate the probability that it is a black marble.
General
10 months ago
Wo snails are 338 centimeters apart. they crawl toward each other at rates that differ by 3 cm/min. after 26 minutes, they meet. how fast is each snail crawling?
General
10 months ago
The length of a rectangular floor is 1 meter less than twice its width. if a diagonal of the rectangle is 17 meters, find the length and width of the floor.
General
10 months ago
Vector v1 is 6.6 units long and points along the negative x axis. vector v2 is 8.5 units long and points at + 55° to the positive x axis. (a) what are the x and y components of each vector? (b) determine the sum v v 1 2
General
10 months ago
The mode of a data set is the measure of center _____. that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is found by adding the data values and dividing the total by the number of data values that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude
General
10 months ago
PLZ HELP ASAP!!!Describe the transformations.A. The yellow circle was translated left 2 units and up 2 units. B. The yellow circle was reflected over both axes. C. The yellow circle was reflected over the y -axis and translated up 2 units. D. The yellow circle was reflected over the x -axis and translated left 2 units. Describe the transformations.A.The yellow triangle was reflected over both axes.B. The yellow triangle was translated right 3 units and down 4 units.C. The yellow triangle was translated down 4 units down and left 3 units.D. The yellow triangle was reflected over the x -axis and translated right 3 units.If the following parallelogram is reflected over both axes, its image will be in the same location.True or False?
General
10 months ago
A circular pizza is divided into eight equal slices. the outer edge of the crust from one piece measeores 5.5 inches. what is the diameter of the pizza to the nearest inch?
General
10 months ago
A pennant is shaped like a right triangle, with hypotenuse 10 feet. the length of one side of the pennant is two feet longer than the length of the other side. find the length of the two sides of the pennant.
General
10 months ago
A person's rectangular dog pen for his dog must have an area of 200 square feet. also, the length must be 20 feet longer than the width. find the dimensions of the pen.
General
10 months ago
A rectangle is twice as long as it is wide. if its length is increased by 4 cm and its width is decreased by 3 cm, the new rectangle formed has an area of 100 cm2. find the dimensions of the original rectangle.
General
10 months ago
A math class has 4 girls and 4 boys in the seventh grade and 3 girls and 5 boys in the eighth grade. the teacher randomly selects a seventh grader and an eighth grader from the class for a competition. what is the probability that the students she selects are both girls? write your answer as a fraction in simplest form.
General
10 months ago
Amanda and ben are in different statistics classes. amanda scores a 15 on a quiz. her classmates have a mean of 20 and the standard deviation of 5 on the quiz. ben scores a 70 on a quiz. his classmates have a mean of 75 and a standard deviation of 10 on the quiz. who did better relative to their classmates?
General
10 months ago
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