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Ulleksa [173]
3 years ago
5

Kiran shops for books during a 20% off sale. Write an equation that relates the sale price, s, to the original price p.

Mathematics
1 answer:
Nesterboy [21]3 years ago
3 0

Answer:

s=p*.2

Step-by-step explanation:

.2 is 20 percent in decimal form

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Write an equation in standard form that is parallel to the line y = 2x - 1 that passes through the point (1, 2). 2x - y = 0 O x
timofeeve [1]

Answer:

2x - y = 0

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 2x - 1 ← is in slope- intercept form

with slope m = 2

Parallel lines have equal slopes, thus

y = 2x + c ← is the partial equation

To find c substitute (1, 2) into the partial equation

2 = 2 + c ⇒ c = 2 - 2 = 0

y = 2x ← equation in slope- intercept form

Subtract y from both sides

0 = 2x - y , that is

2x - y = 0 ← equation in standard form

5 0
3 years ago
5 is what percentage of 25? I’ll give brainliest:)
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Hi there! :)

<h2>20%</h2><h2></h2>

To solve, we can simply divide and multiply by 100 to solve for the percentage:

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0.20 × 100 = 20%

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