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MATH SOLVE
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A polygon has an interior angle sum of 2520 degrees. How many sides must the polygon have?
General
2 months ago
What are the factors of 3x2 + 13x + 4?
General
2 months ago
A school is designed so that 5 hallways meet at the library in the shape of a regular pentagon. Find the measure of one of the exterior angles of the library.
General
2 months ago
Claire bought 180 candies and 140 pens for goody bags for her birthday. What is the largest number of goody bags that Claire can make so that each goody bag has the same number of candies and the same number of pens?
General
2 months ago
look at the work shown for the division problem shown on the right.The remainder is ____
General
2 months ago
What is BC ?Enter your answer in the box.
General
2 months ago
Given the regular hexagon, find the measure of each numbered angle.
General
2 months ago
A cereal box says that now it contains 20% more. Originally, it came with 18.5 ounces of cereal. How much cereal does the box come with now?
General
2 months ago
Marcia has a balance of $1700 on her credit card, which she plans to pay off by making a payment of the same amount each month. Which of these monthly amounts will allow Marcia to pay off her balance fastest?A. $55B. $45C. $75D. $90
General
2 months ago
A deli sells ham for $2.98 per half pound. Kyle incorrectly says that the unit rate is $1.49 per pound. Explain Kyle's mistake and determine the correct price per pound. Show your work.
General
2 months ago
look at the figure if tan x=3/y and cos x =y/z what is the value of sin x?
General
2 months ago
Patti is using mental math to evaluate the expression (70+12.8+30)+6.1. She recognizes that the expression will be easier to simplify if she can combined 70 and 30 before she works with other numbers. How do the properties of operation allow pattie to take that approach?
General
2 months ago
The rule (x,y)→(2x,2y) maps △DEF to △D′E′F′. Which statement correctly describes the relationship between △DEF and △D′E′F′ ?A. The triangles are congruent because △D′E′F′ is a rotation of △DEF , and a rotation is a rigid motion.B. The triangles are not congruent because △D′E′F′ is a dilation of △DEF , and a dilation is not a rigid motion.C. The triangles are not congruent because △D′E′F′ is a translation of △DEF , and a translation is not a rigid motion.D. The triangles are congruent because △D′E′F′ is a reflection of △DEF , and a reflection is a rigid motion.
General
2 months ago
The ratio of clownfish to angelfish at a pet store is 5:4 the ratio of angelfish to goldfish is 4:3 there are 60 clownfish at the pet store .
General
2 months ago
BRAINLIESTTTT!1. Sasha and Mona practiced swimming every day. They increased the number of minutes of swimming every week as described below:Sasha: Practiced swimming for 10 minutes every day in the first week, 20 minutes in the second week, 40 minutes in the third week, and 80 minutes in the fourth week.Mona: Practiced swimming for 10 minutes every day in the first week, 20 minutes in the second week, 30 minutes in the third week, and 40 minutes in the fourth week.Which statement best describes the methods used by Sasha and Mona to increase the time they practiced swimming? Mona's method is linear because the number of minutes increased by an equal factor every week. Sasha's method is exponential because it increases by an equal number every week. Mona's method is exponential because it increases by a fixed factor, and Sasha's method is linear because it increases by a fixed number. Sasha's method is exponential because it increases by a fixed factor, and Mona's method is linear because it increases by a fixed number.2. The sales totals at Macy's food store have increased exponentially over the months. Which of these best shows the sales in the first three months? $1200 in the first month, $1220 in the second month, $1240 in the third month $1200 in the first month, $1272 in the second month, $1344 in the third month $1200 in the first month, $1285 in the second month, $1370 in the third month $1200 in the first month, $1224 in the second month, and $1248.48 in the third month
General
2 months ago
A graphic designer charges an hourly rate. In July, the only expense is for advertising. The function graphed models the designer's net income, y, for July for x hours of work.Select True or False to describe each statement. The x-intercept represents the amount the designer charges for 1 h of work. The difference between 0 and the y-intercept represents the amount the designer spent on advertising. The slope represents the designer's hourly rate.
General
2 months ago
PLZ HELP Simplify the rational expression. State any excluded values. 2x/-5x+x^2
General
2 months ago
Hannah says that 2.11 is a rational number. Gus says that 2.11 is a repeating decimal.
General
2 months ago
In the 1980s, the population of Pleasanton decreased by 10%. In the 1990s, its population increased by 30%.How does the population of Pleasanton at the end of the 1990s compare with its population in 1980?A) It is 20% higher. B) It is 23% higher. C) It is 40% higher. D) It is 17% higher.
General
2 months ago
a triangle is reflected across the line x=2. which of the following is true? A. the image and pre-image have the same orientation.B. the image and pre-image have different sizes.C. the image and pre-image are congruent.D. the image and pre-image are separated by a given angle.
General
2 months ago
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