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katrin [286]
2 years ago
15

Part A: Nails by Nina sells nail polish in a package of three for $21.88. If Nina purchased the polish trio packs for $14 each,

what is the percentage of markup based on cost, rounded to the nearest tenth of a percent? Show your work.​
Mathematics
1 answer:
dedylja [7]2 years ago
7 0

Answer:

  56.3%

Step-by-step explanation:

The ratio of the selling price to the cost is ...

  21.88/14 = 1.562857...

That is, 0.562857... of the original cost has been added to that cost. This markup amounts to about ...

  0.562857 × 100% ≈ 56.3%

of the cost.

The markup percentage is about 56.3%.

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What is the y-intercept and x-intercept of 2x + y = 10x - 1
Sauron [17]

Answer:

Wait I only see the part where it says “what is the y-intercept and x-intercept of” but I don’t see an equation :/

Step-by-step explanation:

6 0
3 years ago
-4^6•4^2/4^4<br><br> Simplify
elena-14-01-66 [18.8K]

Answer:

-4^{4}

Step-by-step explanation:

Reduce the expression -4^2×4^2

Calcualte the product and you get -4^4

If you want the alternative form is will be -256

Hope this helpsʕ•ᴥ•ʔ

6 0
3 years ago
Dave is comparing the circumferences of several trees in his yard. The oak tree is 0.539 meters in circumference, the ash tree h
stepan [7]

Answer:   c. elm

Step-by-step explanation:

Given : The circumference of the oak tree= 0.539 meters

=0.539\times100=53.9\text{ cm}   [∵ 1 m = 100 cm]             (1)

The circumference of the ash tree= 0.509 yards

=0.509\times3\text{ feet}   [∵ 1 yard = 3 feet]

=0.509\times3\times 30.48\text{ cm}  [∵ 1 foot = 30.48 cm]

=46.54296\approx46.54\text{ cm}        (2)

The circumference of the elm tree = 6281.70 millimeters

=\dfrac{6281.70}{10}=628.17\text{ cm}          (3)

The circumference of the poplar tree = 0.000385 miles

=0.000385 \times5280\text{ feet}   [∵ 1 mile = 5280 feet]

=0.000385 \times5280\times30.48\text{ feet}  [∵ 1 foot = 30.48 cm]

=61.959744\approx61.96\ \text{ cm}              (4)

From (1) , (2) , (3 ) and (4) it is clear that

46.54< 53.9 < 61.96 < 628.17

Hence, the elm tree has the greatest circumference.

5 0
3 years ago
Identify the solution and graph of the given inequality. 34 &gt; 3(2 − x)
zloy xaker [14]

Answer:

x > 28/3

Step-by-step explanation:

34 > 3(2 − x)

simplify the bracket

34 > 6 -3x

combine the like terms

34 - 6 > 3x

28 > 3x

divide by 3

x > 28/3

Sorry I don't know how to graph here, but I can graph it by writing the way it can be graphed.

It is in slope intercept form; y = mx + b

where mx is the slope and b is the y-intercept;

x>28/3; where 28/3 is the slope which means; at the y-intercept, go up 28 times and to the right 3 times

And b is 0; which means at 0 where the slope will be applied, go up 28 times and to the right 3 times.

Hope this helps!

Good luck.

3 0
3 years ago
Guided Practice
Artyom0805 [142]

Answer:  B. 2/3; 1

Use the slope-intercept form  y  =  m  x  +  b  to find the slope  m  and y-intercept  b .

Slope:  

(2) /(3)

y-intercept:  

( 0 ,  1 )

Step-by-step explanation:

Find the slope and y-intercept of the equation. y = (2)/(3)x + 1

Find the Slope and y-intercept

8 0
3 years ago
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