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marin [14]
3 years ago
15

A customer comes looking for items to get started painting. Neylin offers her a paint pallet, a paint brush, and a sketch book.

She tells the customer that if she buys all three, she will give her a 15% discount. Approximately how much will the customer save? Round your answer to the nearest cent. Use percent proportion to solve the problem
Mathematics
1 answer:
Fed [463]3 years ago
5 0
<h2><em>Answer:15% of total cost of all three items </em></h2><h2><em> </em></h2><h2><em>Step-by-step explanation: </em></h2><h2><em> </em></h2><h2><em>Assuming the cost of all three items individually are $2,$3 and $5 </em></h2><h2><em> </em></h2><h2><em>Total cost of all three items will be $10 </em></h2><h2><em> </em></h2><h2><em>And arriana is offering 15%discount </em></h2><h2><em> </em></h2><h2><em>Therefore 15% of $10 will be </em></h2><h2><em> </em></h2><h2><em>10/15*100= </em></h2><h2><em> </em></h2><h2><em>0.66*100=66.66%</em></h2><h2><em>HOPE IT HELPS (◕‿◕✿)</em></h2>
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Answer:

a.V(x)=x(10-2x)(6-2x)

b.S(x)=4(15-x^2)

Step-by-step explanation:

Dimensions of rectangular piece of cardboard=10\times 6

According to question

Length of box,l=10-2x

Breadth of box,b=6-2x

Height of box,h=x

a.

Volume of box=l\times b\times h

Substitute the values in the formula

Volume of box=x(10-2x)(6-2x)

V(x)=x(10-2x)(6-2x)

b.Surface area of box=2(b+l)h+lb

Because the box has no lid

Substitute the values in the formula

Surface area of box=2(10-2x+6-2x)x+(10-2x)(6-2x)

Surface area of box=2(16-4x)x+60-20x-12x+4x^2

Surface area of box=32x-8x^2+60-32x+4x^2

Surface area of box=60-4x^2=4(15-x^2)

Surface area of box, S(x)=4(15-x^2)

4 0
3 years ago
An expression is shown:<br> 32 ÷ 4 <br><br> What is the quotient expressed as a fraction?
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Step-by-step explanation:

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Answer:

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The maximum value occurs at gradient 0 (the stationary point).

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dg(x)/dx = -x + 4

Gradient is 0 so 4 - x = 0 so x = 4

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Step-by-step explanation:


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Read 2 more answers
Can anyone help me solve this
yawa3891 [41]

Answer:

a. $45.54; b. $51.42; c. See below

Step-by-step explanation:

a. 193 min

        Service charge = $40.00

1st 100 min @ 0.021 =      2.10

Next 93 min @0.037 = <u>    3.44 </u>

                        Total =  $45.54

b. 317 min

          Service charge = $40.00

  1st 100 min @ 0.021 =      2.10

2nd 100 min @ 0.037 =     3.70

        117 min @ 0.048 =   <u>   5.62</u>

                          Total =   $51.42

c. Piecewise function

The charge is  

  • $40.00 + 0.021t               if t ≤ 100
  • $42.10 + 0.037(t - 100)    if 100 < t ≤ 200
  • $45.80 + 0.048 (t - 200) if t > 200

which we can write like this:

f(t) =\begin{cases}40.00 + 0.021t & t \leq 100\\42.10 + 0.037(t-100) & 100 < t \leq200\\45.80 + 0.048(t-200) & t > 200\end{cases}

5 0
3 years ago
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