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montgomerykarloxc24x
29.07.2019 •
Mathematics
1)list the sides of triangle δmnp in ascending order (shortest to longest) if: m∠m = 15°, m∠n = 75° 2) if two sides of a triangle are 6 and 16, what is the range of the possible lengths of the third side? 3) list the sides of δrst in in ascending order (shortest to longest) if: m∠r = 3x+42°, m∠s = 4x−11°, and m∠t = x+13° 4)two sides of an isosceles triangle have lengths 7 and 14. find the length of the third side.
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Ответ:
2)10<x<22
3) SR, TR, ST(x=17, R=93, S=57, T=30, angle side inequality)
4)14,14,7 (cant be 7,7,14 because 7+7=14 so it wont for a triangle)
Ответ:
The equation is y = $72.99 + $28.45(x - 1), where y is the monthly charge and x is the month in which it is calculated.
Step-by-step explanation:
Step 1; First we need to establish a relation between the difference in costs. For the first month it cost $72.99, during the second month, it costs $101.44 and in the third month, it costs $129.89. Difference in rates
Second months rate - First months rate = $101.44 - $72.99 = $28.45
Third months rate - Second months rate = $129.89 - $101.44 = $28.45.
So for every consecutive month, the charges increase by $28.45
Step 2; Now we develop an equation,
y = $72.99 + $28.45(x - 1), where y is the charge that month and x is the month in which it is calculated.
For x = 1, y = $72.99 + $28.45(1 - 1) = $72.99 + $28.45(0) = $72.99,
For x = 2, y = $72.99 + $28.45(x - 1) = $72.99 + $28.45(2 - 1) = $101.44,
For x = 3, y = $72.99 + $28.45(3 - 1) = $72.99 + $28.45(3-1) = $129.89.
So this is the equation to calculate the cost y the mobile provider charges in month x.