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lara31 [8.8K]
3 years ago
8

Is this the right answer?

Mathematics
1 answer:
Zepler [3.9K]3 years ago
6 0
Stiskyskgxjg hgddyuioio
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What are the values of x and y in this figure?
Reika [66]
Hello!

We know that the sum of all angles in a triangle is 180 degrees. This can be represented by the following formula:

(angle 1) + (angle 2) + (angle 3) = 180

Insert all known values and variables of triangle ABC into the formula above:

30 + (80 + y) + y = 180

Simplify and combine like terms:

30 + 80 + y + y = 180
110 + 2y = 180

Now subtract 110 from both sides of the equation:

2y = 70

Divide both sides by 2:

y = 35

We have now proven that Y is equal to 35 degrees. Using the known value of Y, we can find the value of X using the same formula as above. Begin by inserting all known values and variables of triangle BCD:

y + y + x = 180
(35) + (35) + x = 180

Combine like terms:

70 + x = 180

Subtract 70 from both sides of the equation:

x = 110

We have now proven that X is equal to 110 degrees. Therefore, considering the known values of X and Y, the answer to this problem is C.

I hope this helps!
6 0
4 years ago
Express the area A of a circle as a function of its​ radius, r. Determine the area of a circle whose radius is 11 inches. That​
nekit [7.7K]
<h2>Answer with explanation:</h2>

The function represents the area of a circle(A) is given by :-

A(r)=2\pi r

To determine the area of a circle whose radius is 11 inches. , we put the value of r=11 inches, we get

A(11)=2\pi (11)

Now, we put \pi=\dfrac{22}{7} in the above function , we get

A(11)=2(\dfrac{22}{7} )(11)\\\\\Rightarrow\ A=56.5714285714\approx56.57

8 0
3 years ago
Find the area of the rombus
makvit [3.9K]
56 /2 = 28

35^2 - 28^2
= 1225 - 784
= 441
= 21

base of triangle = 21 x 2 = 42
area of triangle = 1/2 bh = 1/2(42)(28) = 558
area of rhombus = 558 x 2 = 1176

answer
B . 1176 in^2
7 0
3 years ago
(x-1)(2x^2+2x+2)<br> Please show all the work!<br> Thank You
Alik [6]

Answer:

2x³ - 2

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

= x(2x² + 2x + 2) - 1(2x² + 2x + 2) ← distribute both parenthesis

= 2x³ + 2x² + 2x - 2x² - 2x - 2 ← collect like terms

= 2x³ - 2

6 0
4 years ago
What is x? pls help
creativ13 [48]

Answer:

150°

Step-by-step explanation:

By inscribed angle theorem:

x = 2 \times 75 \degree \\  \\ x = 150 \degree

3 0
3 years ago
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