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MATH SOLVE
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The measures of 13 angles of a 14-gon add up to 2014°. Find the fourteenth angle measurement
General
2 months ago
A telephone company charges a fixed monthly rate plus a rate per minute of usage. The company charges $155 for 100 minutes of usage and $245 for 200 minutes of usage. An equation can be written to show the relationship between the total minutes used (x) and the total monthly charges (y). Which of the following best describes the steps to draw the graph of y against x? Draw a graph which joins the points (155, 100) and (245, 200) and has a slope = 0.9 Draw a graph which joins the points (155, 100) and (245, 200) and has a slope = 1.1 Draw a graph which joins the points (100, 155) and (200, 245) and has a slope = 1.1 Draw a graph which joins the points (100, 155) and (200, 245) and has a slope = 0.9
General
2 months ago
mars, inc. claims that 20% of its m&m plain candies are orange. a sample of 100 such candies is randomly selected. find the mean and standard deviation for the number of orange candies in such groups of 100.
General
2 months ago
Last year, a property manager bought five identical snow shovels and six identical bags of salt. the total of the snow shovels was 172.50 before tax and each bag of salt cost 6.20$ before tax.This year the property manager bought two identical snow shovels and four identical bags of salt. the total cost of snow shovels was 70.38$ before tax and the total cost of the bags of salt was 26.04$ before tax.Determine the item with the greatest percent increase in the price from last year to this year. Be sure to include the percent increase of this item to the nearest percent.(Explain your answer)
General
2 months ago
Marya wants to factor the polynomial 36x3 – 22x2 – 144x. Which term can she add to the polynomial that would not change its greatest common factor? Check all that apply. –11 –50xy –40x2 24 10y
General
2 months ago
Let sin(67°) = 0.9205. Enter the smallest positive value for the angle measure (θ), in degrees, for cos(θ) = 0.9205. help please
General
2 months ago
How to find the square root and cube root of a number?
General
2 months ago
What is the area of Figure ABCD? 104 square inches 120 square inches 136 square inches 168 square inches
General
2 months ago
Item 6 for every 3 tickets you sell, your friend sells 4. you sell a total of 12 tickets. how many does your friend sell? complete the ratio table to solve the problem
General
2 months ago
Which quotient is the same as the quotient 4.85÷0.7 ?
General
2 months ago
In ∆ABC, the median AM (M ∈ BC ) is perpendicular to the angle bisector BK (K ∈ AC ). Find AB, if BC = 12 in.
General
2 months ago
100/225 square feet of your bakery will be used as your storefront, where customers come to visit. the rest will be for storage and baking. In simplest form, what fraction of the space will be for storage and baking?Someone's work(225-110)/225125/2255/9how did you get (225-110)? if it's 100/225
General
2 months ago
If a photo measuring 4 inches by 6 inches is placed in a photo frame that is 2 inches wide all around, what percent of the framed photo is the photo itself?
General
2 months ago
The gypsy moth is a serious threat to oak and aspen trees. A state agriculture department places traps throughout the state to detect the moths. When traps are checked periodically, the mean number of moths trapped is only 0.6, but some traps have several moths. The distribution of moth counts is discrete and strongly skewed, with standard deviation 0.4.a. What is the mean (±0.1) of the average number of moths x¯¯¯ (x bar) in 30 traps?I got 18 by multiplying 30 times 0.6, I'm not confident 100% in thisb. And the standard deviation? (±0.001) I got 0.073 by doing 0.4/ sqrt of 30...not confidentc. Use the central limit theorem to find the probability (±0.01) that the average number of moths in 30 traps is greater than 0.7: I got 1.37 by doing 0.7-0.6 / 0.073 (0.4/sqrt of 30)are these answers correct?
General
2 months ago
Write an equation of the line passing through point P(0, 0) that is perpendicular to the line y = −9x−1 .
General
2 months ago
Stephanie planted a home garden. She planted 2 rows of tomatoes with 5 tomato plants in each row. She also planted squash in rows of 7 plants each.If x represents the number of rows of squash she planted, which of the following equations can be used to find the total number of plants Stephanie planted in her home garden? A. y = 7x + 10 B. y = 7x + 7 C. y = 8x + 7 D. y = 15x + 7
General
2 months ago
Wen takes a job with a starting salary of $100,000 for the first year. She earns a 3% increase each year. What does S5 represent?
General
2 months ago
Is each line parallel, perpendicular, or neither parallel nor perpendicular to the line x + 2y = 6?Drag each choice into the boxes to correctly complete the tabley= -1/2x+5-2x+y=-4-x+2y=2x+2y=-2
General
2 months ago
What is the area of a triangle whose vertices are J(−2, 1) , K(4, 3) , and L(−2, −5) ?Enter your answer in the box.
General
2 months ago
The box plots show male and females grades in mathematics class: Which of the following best describes the information about the interquartile ranges?
General
2 months ago
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