2 years ago

If 25% of an item is $13.00,what is the original price?

Mathematics

2 answers:

cupoosta [38]2 years ago

7 0

Answer:

The answer is 52. If you divide 13 by 0.25 which is 25% you get 52. And to check the answer 52 X 25% is 13.

Step-by-step explanation:

Serggg [28]2 years ago

4 0

Answer:3:24

Step-by-step explanation:

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klio [65]

Answer:

15,015

Step-by-step explanation:

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3 years ago

Write the equation of the line perpendicular to 2x+3y=9 that passes through (-2,5). Write your answer in slope-intercept form. S

Harman [31]

ANSWER

$y = \frac{3}{2} x + 8$

EXPLANATION

The line given to us has equation,

$2x + 3y = 9$

We need to write this equation in the slope intercept form to obtain,

$3y = - 2x + 9$

$\Rightarrow \: y = - \frac{2}{3}x + 3$

The slope of this line is

$m_1 = - \frac{2}{3}$
Let the slope of the perpendicular line be

$m_2$

Then
$m_1 \times m_2 = - 1$

$- \frac{2}{3} m_2= - 1$

This implies that,

$m_2 = - 1 \times - \frac{3}{2}$

$m_2 = \frac{3}{2}$

Let the equation of the perpendicular line be,

$y = mx + b$

We substitute the slope to get,

$y = \frac{3}{2} x + b$

Since this line passes through
$(-2,5)$
it must satisfy its equation.

This means that,

$5= \frac{3}{2} ( - 2)+ b$

$5 = - 3 + b$

$5 + 3 = b$

$b = 8$

Wherefore the slope-intercept form is

$y = \frac{3}{2} x + 8$

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3 years ago

What element is found more in complex carbohydrates than in simple carbohydrates?

zepelin [54]

The answer is D Sugars.

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3 years ago

Solve xy − 2 = k for x.

MA_775_DIABLO [31]

Isolate x
So xy - 2 = k
Then
xy = k + 2

x = (k+2)/y

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2 years ago