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kirill [66]
3 years ago
12

Determine if the triangles are congruent. If they are, state how you know.

Mathematics
2 answers:
hram777 [196]3 years ago
6 0

Answer:

1 - SSS

Step-by-step explanation:

We need either two sides one angle, two angles one side, or three sides to prove congruency. In this case we have 3 sides so therefore this is congruent by the SSS theorem.

vampirchik [111]3 years ago
3 0

Answer:

SSS

Step-by-step explanation:

They are congruent, you can tell by the 'tick marks'.

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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
kvv77 [185]

Answer: the widget would be sold for $84.3

Step-by-step explanation:

The amount of profit, y made by the company, is related to the selling price of each widget, x, by the given equation which is expressed as

y = - x² + 77x - 615

At the point of breaking even, profit = 0. This means that

- x² + 77x - 615 = 0

The general formula for solving quadratic equations is expressed as

x = [- b ± √(b² - 4ac)]/2a

From the equation given,

a = - 1

b = 77

c = - 615

Therefore,

x = [- 77 ± √(77² - 4 × - 1 × - 615)]/2 × + 1

x = [- 77 ± √(8389)]/- 2

x = (- 77 + 91.59)/2 or x = (- 77 - 91.59)/- 2

x = - 7.295 or x = 84.3

Since the price cannot be negative, then x = $84.3

4 0
3 years ago
In the rhombus, m angle 1 = 18x, m angle 2 = x+y and m angle 3 = 30z. Find the value of x+y+z. The diagram is not drawn to scale
Ratling [72]

The value of x+y+z = 93

<u>Explanation:</u>

<u></u>

angle 1 = 18x

angle 2 = x+y

angle 3 = 30z

In rhombus, the diagonals intersect at 90°

Therefore,

angle 1 : 18x = 90

                  x = 90/18 = 5

angle 2: x+y = 90

              5+y = 90

                  y = 85

angle 3: 30z = 90

                   z = 90/30 = 3

Value of x+y+z = 5+85+3 = 93

Thus, the value of x+y+z = 93

             

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4 years ago
What is 2,000 *20/50? helpssssss
bearhunter [10]
2,000 *20/50 is 800.

800 is your answer.
6 0
3 years ago
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iVinArrow [24]
D is the correct answer
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4 years ago
Gina saves quarters. She has $17.75 in quarters. How many quarters does she have? Show your solution in two ways. Use division t
Bad White [126]
Gina wants to know how many quarters she has if she has seventeen dollars and seventy-five (17.75)cents in all quarters. To find he number of quarters, you need to divid seventeen dollars and seventy-five cents (17.75) by twenty five cents (0.25) to get her answer.

17.75/0.25=71
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4 years ago
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