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KatRina [158]
3 years ago
10

Is anyone able to help me with this?

Mathematics
2 answers:
Semenov [28]3 years ago
8 0
I am able to help you but not give you the answer.

Step By Step Explanation- Find the Area to the Triangle, After you find the answer to that, Find the area to the square then subtract the Square by the triangle and you get your answer!
Evgesh-ka [11]3 years ago
7 0

Answer:

Step-by-step explanation:

Use the area formulas to help.

Area of a triangle = 1/2bh

Area of a rectangle = lw

Area of the triangle:

6*5 =30 yds

30*0.5= 15 yds

Area of the rectangle:

7*12=84 yds

Area of the shaded region:

84-15=69 yds

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A Park has a pond shaped like a quadrilateral with all sides 18 feet long and at least one right angle. What geometric shape bes
Rom4ik [11]
I gave some examples of some quadrilaterals. The pond is most likely the shape of a square or a triangle with a right angle.

5 0
3 years ago
Identify the graph of 9X^2+4xy+5y^2-40=0 and find theta to the nearest degree.
lubasha [3.4K]

Answer:

The answer is ellipse; 23° to the nearest degree ⇒ answer (d)

Step-by-step explanation:

* At first lets talk about the general form of the conic equation

- Ax² + Bxy + Cy²  + Dx + Ey + F = 0

∵ B² - 4AC < 0 , if a conic exists, it will be either a circle or an ellipse.

∵ B² - 4AC = 0 , if a conic exists, it will be a parabola.

∵ B² - 4AC > 0 , if a conic exists, it will be a hyperbola.

* Now we will study our equation:

- 9x² + 4xy + 5y² - 40 = 0

∵ A = 9 , B = 4 , 5 = 5

∴ B² - 4 AC = (4)² - 4(9)(5) = -164 < 0

∴ B² - 4AC < 0

∴ If a conic exists, it will be either a circle or an ellipse.

* To find the type of the graph lets check;

- If A and C are nonzero, have the same sign, and are not

 equal to each other, then the graph is an ellipse.

- If A and C are equal and nonzero and have the same

 sign, then the graph is a circle.

∵ A and C have same signs and are not equal

∴ The graph is an ellipse

* If we have term xy ⇒ B ≠ 0

∴ The graph is rotate by angle Ф

* To find the angle of rotation use the rule:

- cot(2Ф) = (A - C)/B

∵ A = 9 , B = 4 , C = 5

∴ cot(2Ф) = (9 - 5)/4 = 4/4 = 1

∴ tan(2Ф) = 1

∴ 2Ф = 45°

∴ Ф = 22.5° ≅ 23° to the nearest degree

* The answer is ellipse; with angle of rotation = 23°

4 0
3 years ago
If x=7, then 2x * x=
OLga [1]

Step-by-step explanation:

putting x= 7

2x7x7

2x49

98(ans)

4 0
3 years ago
Is 2/3 and 8/12 in equivalent ratio
VLD [36.1K]

Answer: if your question here is if they are the same since it says equivalent then yes

Step-by-step explanation: 2/3 = 8/12

3 0
2 years ago
Write a decimal equation that is a product of 3.15
AnnyKZ [126]
12.6 × 0.25 = 3.15

i hope this helps
5 0
2 years ago
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