Mathematics, 22.06.2019 13:00 kikipie489

# 10 min left will give brainliest alexa pays of a dollar for each minute she uses her pay-as-you-go phone for a call, and of a dollar for each minute of data she uses. this month, she used a total of 85 minutes and the bill was $31. which statements are true? check all that apply. a the system of equations is x + y = 31 and 7/20x+2/5y=85 b he system of equations is x + y = 85 and 7/20x+2/5y=31 c to eliminate the y-variable from the equations, you can multiply the equation with the fractions by 5 and leave the other equation as it is. d to eliminate the x-variable from the equations, you can multiply the equation with the fractions by 20 and multiply the other equation by -7. e she used 25 minutes for calling and 60 minutes for data. f she used 60 minutes for calling and 25 minutes for data. g she used 20 minutes for calling and 11 minutes for data. h she used 11 minutes for calling and 20 minutes for data.

Answers: 1

Mathematics, 20.06.2019 18:02

How do you find the equation of line of best fit? urgent

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Mathematics, 21.06.2019 18:10

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

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Mathematics, 21.06.2019 18:30

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

Answers: 1

Mathematics, 21.06.2019 19:00

You create the data create a set of seven numbers (repeats allowed) that have the five numbers summary. minimum =4 q1=8 m=12 q3=15 maximum=19. there is more than one set of seven numbers with this five number summary. what must be true about the seven numbers to have this five number summary

Answers: 2

10 min left will give brainliest alexa pays of a dollar for each minute she uses her pay-as-you-go...

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