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2 years ago

A phone is regularly priced at $350. If you get it on sale for 15% off, how much do you pay?

Mathematics

2 answers:

dsp732 years ago

6 0

The answer is 52.5 because once you divide 5250/100 then you get 52.5

Nesterboy [21]2 years ago

5 0

52.5

Explanation:
x/18. 30/100 cross multiply 30*18=5250
5250 divided by 100= 52.5

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Vladimir [108]

Answer: (7+1/7) *(7+7)

Step-by-step explanation:

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3 years ago

Solve 9x^2- 17x- 85 = 0 Give your solutions correct to 3 significant figures.

dybincka [34]

Answer:

$x =\frac{17}{18} +\frac{1}{18} \sqrt{3349}$ OR $x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}$

Step-by-step explanation:

9x2−17x−85=0

For this equation: a=9, b=-17, c=-85

9x2+−17x+−85=0

Step 1: Use quadratic formula with a=9, b=-17, c=-85.

$x =\frac{-b + \sqrt{b^{2}-4ac } }{2a}$

$x =\frac{-(-17)+\sqrt{(-17)^{2} -4(9)(-85)} }{2(9)}$

$x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}$

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2 years ago

The width of a rectangle is (5x + 2) inches and the length is (6x − 7) inches. Find the area of the rectangle.

Degger [83]

Answer:

Explanation:

Area = Length · Width

Length: (6x - 7)

Width: (5x + 2)

Create An Equation

(6x - 7) (5x + 2)

= (6x + −7)(5x + 2)

(6x)(5x) + (6x)(2) + (−7)(5x) + (−7)(2)

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2 years ago

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ElenaW [278]

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3 years ago

Find the associated reflex angle measure for an angle of 60°

sergij07 [2.7K]

The reflex angle is the other angle
see image below

so
reflex=360-angle
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3 years ago