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aleksandr82 [10.1K]

3 years ago

9

Liliana bought a book for $13. She is selling the book for $24. What is the percent markup on the price of the book? Round to th

e nearest hundredths place.

1 answer:

mario62 [17]3 years ago

6 0

Answer: 2.5

Explanation!:

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How do i solve using the substitution method?<br> x+y=-1 <br> y=-2x

leonid [27]

Answer:

$(1, -2)$

Step-by-step explanation:

<u>Step 1: Set the second equation into the first </u>

$x + (-2x) = -1$

$x - 2x = -1$

$-x / -1 = -1 / -1$

$x = 1$

<u>Step 2: Solve the second equation </u>

$y = -2(1)$

$y = -2$

Answer: $(1, -2)$

4 0

3 years ago

Read 2 more answers

The sale price of ground beef at a local grocery store is $1.49 for the 1st pound and 1.09 for each additional pound which funct

bixtya [17]

Y=1.09(x-1)+1.49 where y is cost and x is in pounds we could further operate:

y=1.09x-1.09+1.49

y=1.09x+0.4 (note that the domain is x≥1)

5 0

4 years ago

In the xy coordinate plane the slope of line p is 1 2 and its x-intercept is -3. Find the equation of a line that is perpendicul

Novosadov [1.4K]

Answer:

Option C) y = -2x - 6

Step-by-step explanation:

<u><em>The correct question is</em></u>

In the xy coordinate plane the slope of line p is 1/2 and its x-intercept is -3. Find the equation of a line that is perpendicular to p and intersects p at is x-intercept.

step 1

Find the slope of a line that is perpendicular to p

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of the slopes is equal to -1)

$m_1*m_2=-1$

we have

$m_1=\frac{1}{2}$ ----> slope of line p

substitute

$(\frac{1}{2})*m_2=-1$

$m_2=-2$ ----> slope of the line perpendicular to p

step 2

Find the equation of the line that is perpendicular to p and intersects p at is x-intercept

we have

$m=-2$

$point\ (-3,0)$

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

substitute

$y-0=-2(x+3)$

$y=-2x-6$

8 0

4 years ago

Factor to find the zeros of the function defined by the quadratic expression. 2x2 − 18x + 36 A) x = 3 or x = 6 B) x = 3 or x = −

Morgarella [4.7K]

Answer:

A) x=3 or x=6

Step-by-step explanation:

Factor out the GCF : 2(x^2-9x+18)

Then, set to zero.

2(x^2-9x+18)=0

2(x-3)(x-6)=0

x=3 or x=6

8 0

3 years ago

Darcy built the dollhouse shown. What is the volume of the first floor? What is the Volune of the attic space?

BigorU [14]

The volume of the first floor is 9000 inches cubed.
20*45*10=9000
The volume of the attic is 360 inches cubed.
8*45=360
You don't have to divide by two as there are two triangular prisms.

6 0

3 years ago