Mathematics, 14.12.2019 03:31 chloeconlon2014
Q.1 - adam is ordering pizza for a company party that he needs to have catered. company a charges $8 for each pizza and a delivery/set-up fee of $45. company b charges $12 for each pizza and a delivery/set-up fee of $5. which inequality can be used to find x, the least number of pizzas that can be ordered so that the total charge for company a is less than the total charge for company b?
a) 8 + 45x > 12 + 5x
b) 8 + 45x < 12 + 5x
c) 8x + 45 < 12x + 5
d) 8x + 45 > 12x + 5
q. 2 - the cost of a candy bar in a vending machine is $0.95. the cost of a bottle of water in the same machine is $1.25. jamie has $25.00 to spend on candy bars and bottles of water for her friends. she must buy nine candy bars. if b represents the number of bottles of water, which inequality represents all the possible values of b?
a) 1.25(9) + 0.95b ≥ 25
b) 1.25(9) + 0.95b ≤ 25
c) 0.95(9) + 1.25b ≥ 25
d) 0.95(9) + 1.25b ≤ 25
q. 3 - oliver needs to save at least $1500 to buy a computer. he has already saved $650. how much more does he need to save? write and solve an inequality.
a) x + 650 ≥ 1500; x ≥ 850
b) x + 650 ≤ 1500; x ≤ 850
c) x + 1500 ≤ 650; x ≤ -850
d) x + 1500 ≥ 650; x ≥ -850
q.4 - joel's family has four more pets than brian's family. together the two families have at least 7 pets. let x represent the number of pets brian's family has. which inequality can be used to find the possible numbers of pets brian's family has?
a) x + 4 ≥ 7
b) 2x + 4 ≥ 7
c) 2x + 4 ≤ 7
d) 2x - 4 ≥ 7
Answers: 3
Mathematics, 21.06.2019 21:30
Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.
Answers: 1
Mathematics, 21.06.2019 21:30
Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.
Answers: 3
Mathematics, 22.06.2019 00:00
If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0
Answers: 3
Q.1 - adam is ordering pizza for a company party that he needs to have catered. company a charges $8...
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