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tiny-mole [99]
4 years ago
9

Can you show your work

Mathematics
1 answer:
Aleksandr-060686 [28]4 years ago
5 0

Answer:

9*sqrt(2)   (third in your list of answer)

Step-by-step explanation:

Lets indicate the vertices with the letters beginning the upper vertice A next clockwise B and finally C (right angle)

Angle C=45 degrees.  ANgle C is 90 degrees ( small square on the diagram means 90 degrees) So the angle A= 180-90-45=45 degrees.

Angle A=angle C=45 degrees=> AC=CB=9

Using Phitagor theorem will get AB= sqrt(AC^2+BC^2)=sqrt(81+81)=9*sqrt(2)

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ziro4ka [17]

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4 0
3 years ago
Aileen is a salesperson at Lopez Sporting Goods. She is paid a monthly commission on all Little League uniforms she sells. She r
spayn [35]

The  total value of the uniform Aileen sold is x= 2260 on monthly Commission sells.

Given,

Let us assume the all little League uniform = x

Aileen first commission 10% of 2000$ in sales.

Aileen Second Commission 12% of (x-2000)$

Total Commission Aileen Earner = 10% ×2000 + 12% × (x-2000)

                                       231.2   = 0.1× 2000 + 0.12× (x-2000)

                                        231.2   = 200 + (0.12x - 240 )

                                        231.2   = 200 +  0.12x - 240

   After Transformation, we get

                                        0.12x = 231.2 - 200 +240

                                        0.12x = 271.2

                                               x = 271.2/.12

                                               x = 2260

Aileen Sell the total value of Lopez Sporting Goods Uniform is 2260.

So the final Answer is  x = 2260$.

Learn more about the Commission here.

brainly.com/question/23386624

#SPJ9

6 0
1 year ago
Solve the radical equation square root 25-40x=x-10
azamat

Answer:

15 or   -5


Step-by-step explanation:

√(25-40x)= x-10

Squaring both sides

25 - 40x = (x -10)²

25 - 40x = x² -20x + 100

x² - 20x + 40x + 100 - 25 =0

x² +20x = -75

x² + 20x + 10² = -75 + 100

(x + 10)² = 25

x - 10 = ±√25

x - 10 = ±5

x  = ±5 + 10

x = 15 or    x = -5


7 0
3 years ago
For the years between 2003 and 2010, the equation yˆ=937.98x+12,764.90 models the average cost of tuition of four-year colleges,
VMariaS [17]

Answer:

The best estimate for the average tuition cost in the year 2005 is $7,455

Step-by-step explanation:

In this question, we shall be using the predicted equation to predict the value of tuition in the year 2005.

The equation is y = 937.98x + 12,764.90

since x is the number of years after 2000 and we are looking at the average tuition cost in year 2005, thus, our x will be 2005-2000 = 5 years

Substituting this into the equation, we have;

y= 937.98(5) + 12,764.90

y = 7,454.8 which is 7,455 to the nearest dollars

4 0
3 years ago
Aright square based pyramid has a pyramid height of 8 and a slant height of 10. What is the volume of the pyramid?​
lys-0071 [83]

Answer:

Step-by-step explanation:

Gay

4 0
3 years ago
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