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katen-ka-za [31]
3 years ago
14

I want the answer please!

Mathematics
2 answers:
agasfer [191]3 years ago
8 0

Answer:

x = 38 degrees.

The angle marked 2x-1  =75 degrees

Step-by-step explanation:

the opposite angles of a parallelogram are equal.

so:

2x -1 = 75

2x = 76

x = 38

Hope this helps

ElenaW [278]3 years ago
4 0

Answer:

x=38

Step-by-step explanation:

A quadrilateral's interior angles add up to 360°

In a parallelogram, the sides diagonal from it are the same angle measure. This mean that ∠K is 105° and ∠L is 75°. From this, we get:

2x-1=75

<em>Add 1 to both sides</em>

2x=76

<em>Divide both sides by 2</em>

x=38

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Varvara68 [4.7K]
If the angle in B is 45º, that means the angle in A is also going to be 45º, considering it's a right triangle, so AC and BC are they have the same length.
Then using Pythagoras, you'll get that AC^{2} + BC^{2} equals AB^{2} .
Now, you know that AC=BC and that AB=24.
So you'll get 2AC^{2} =24^2 . You do the square root in both sides and you get that 2AC=24 and AC=12.

Now that you know that both AC and BC equal 12, you can find the area by just multiplying them and then diving them by 2. (The formula for the area of a triangle is half base multiplied by height, and in a right triangle, if a cathetus is the base, the other cathetus<span> will be the height)

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8 0
3 years ago
What is the range for y=x^2-7x-8 ?
gtnhenbr [62]

Answer:

[-20.25;+∞).

Step-by-step explanation:

1) according to the properties of the given parabola the minimum is:

x_0=-\frac{-7}{2}=3.5; \ y_0=-20.25;

2) y₀=-20.25 means, the value -20.25 is minimum of the range, the maximum →+∞;

3) finally, the range y≥-20.25.

7 0
1 year ago
Plz can someone help me out with both questions
alukav5142 [94]
1. Function
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4 0
3 years ago
Solve for x. Show your work with proper statements and notation.
9966 [12]

Answer:

x = 26

Step-by-step explanation:

The sum of the angles around point O = 360°, thus

x + 3x + 256 = 360 , that is

4x + 256 = 360 ( subtract 256 from both sides )

4x = 104 ( divide both sides by 4 )

x = 26

4 0
3 years ago
Points!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-Dominant- [34]

Answer:

thanks

Step-by-step explanation:

:)

6 0
2 years ago
Read 2 more answers
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