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igor_vitrenko [27]

3 years ago

13

Help pleaasssseeee (use picture) it’ll only take some time out of your day but will be a big impact on my day thank you hope you

have a wonderful day!!

1 answer:

trapecia [35]3 years ago

4 0

It would be 1120 because the formula I use is 2(b+h)h+2(b*h) which is 2(8+5)40+2(8*5)

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Find the selling price $280 tax 5%

Semenov [28]

Answer:

The selling price is $294

Step-by-step explanation:

5/100 (280)

0.05 * 280 = 14

5% of 280 equals 14.

To find the selling price we have to add the tax to the price.

$14 + $280 = $294

<em>The selling price is $294</em>

6 0

3 years ago

How do I do this the easiest way?

Marina CMI [18]

Add the 3 item totals, then divide that number by 100, then, take that number and multiply by 9 (this gets the tax total). then you are going to want to add the total of the 3 items, and the tax amount, and you have your answer. do this with all the peoples items :)

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3 years ago

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If xy- 3y²= 15 ,find the value of x when y=2

rjkz [21]

Answer:

X=13.5

Step-by-step explanation:

Y=2 so

2x-3*2^2=15

2x-12=15

2x=27

X=13.5

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3 years ago

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End points of One side of a regular pentagon are (-1,4) and (2,3) what is the perimeter of the Pentagon

umka21 [38]

I would help u but I need help with this to

8 0

3 years ago

A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the

sineoko [7]

Answer:

x = $34.45

Step-by-step explanation:

Solution:-

The company makes a profit of $y by selling widgets at a price of $x. The profit model is represented by a parabola ( quadratic ) equation as follows:

$y = -10x^2 + 689x -6775$

We are to determine the profit maximizing selling price ( x )

From the properties of a parabola equation of the form:

$y = ax^2 + bx + c$

The vertex ( turning point ) or maximum/minimum point is given as:

$x = -\frac{b}{2a} \\\\x = - \frac{689}{2*(-10)} = \frac{689}{20}\\\\x = 34.45$

The profit maximizing selling price of widgets would be x = $34.45.

4 0

3 years ago