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3 years ago

If the sale price is $50, and the percent of discount is 75%, then what is the original price?

Mathematics

2 answers:

Brums [2.3K]3 years ago

8 0

The answer is $66.67 50 times 100 =5000 5000 divided by 75 equals that

Flura [38]3 years ago

6 0

If you change 75% into a decimal which is .75 and divide it with 50.00 you'll get 66.66 which is what I think as the answer

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What are the solutions to the system of equations? y=2x2−5x−7 y=2x+2

IceJOKER [234]

Answer:

Step-by-step explanation:

y=2x²-5x-7

y=2x+2

2x²-5x-7=2x+2

2x²-7x-9=0

2x²-9x+2x-9=0

x(2x-9)+1(2x-9)=0

(2 x-9)(x+1)=0

x=9/2 ,-1

y=11 ,0

solutions are (9/2,11),(-1,0)

5 0

3 years ago

∠A=8x+6 ∘ start color #11accd, angle, A, end color #11accd, equals, start color #11accd, 8, x, plus, 6, degrees, end color #11ac

zvonat [6]

Answer:

$x = 8$

$B = 70$

Step-by-step explanation:

Given

$A = 8x + 6$

$B = 4x + 38$

Require

Determine x and <B

Missing in the question: A and B are vertical angles

For vertical angles A and B,

$A = B$

Substitute values for A and B

$8x + 6 = 4x + 38$

Collect Like Terms

$8x - 4x = 38 - 6$

$4x = 32$

Solve for x

$x = 32/4$

$x = 8$

To solve for B, substitute 8 for x in $B = 4x + 38$

$B = 4 * 8 + 38$

$B = 32 + 38$

$B = 70$

8 0

3 years ago

Read 2 more answers

What is the area of the regular hexagon? This is due tomorrow please help! :)

tester [92]

Check the picture below.

so then, the perimeter of that hexagon will just be the sum of all its 6 sides, or namely 3⅖ + 3⅖ + 3⅖ + 3⅖ + 3⅖ + 3⅖, or just 6( 3⅖ ).

$\bf \textit{area of a regular polygon}\\\\ A=\cfrac{1}{2}ap~~ \begin{cases} a=apothem\\ p=perimeter\\[-0.5em] \hrulefill\\ a=3\\ p=6\left(3\frac{2}{5} \right) \end{cases}\implies A=\cfrac{1}{2}(3)\left[ 6\left(3\frac{2}{5} \right) \right]\implies A=\cfrac{1}{2}(3)\left[ 6\left(\cfrac{17}{5} \right) \right] \\\\\\ A=\cfrac{1}{2}(3)\left(\cfrac{102}{5} \right)\implies A=\cfrac{1}{2}\left( \cfrac{306}{5} \right)\implies A=\cfrac{153}{5}\implies A=30\frac{3}{5}$