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daser333 [38]
2 years ago
6

If mZDEF= 117°, find the value of x.

Mathematics
1 answer:
labwork [276]2 years ago
5 0

Answer:

x = 7⁰

Step-by-step explanation:

Refer to attachment.

<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>

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Find the slope and y intercept of y= -3x - 2
sergejj [24]

Answer:

slope = -3

y-intercept = -2

Step-by-step explanation:

y = mx + <em>b</em>

m = slope; <em>b</em> = y-intercept

y= -3x <em>- 2</em>

m = -3 = slope

<em>b = -2 = y-intercept</em>

4 0
3 years ago
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Solve the system of equations algebraically.<br> 4x - 3y = 6<br> 6x - 5y = 6
muminat

Answer: x=6  y=6

Step-by-step explanation:

\displaystyle\\\left \{ {{4x-3y=6} \atop {6x-5y=6}} \right.\\

Since the right parts of the equation are equal, therefore the left parts of the equation are also equal:

4x-3y=6x-5y\\4x-3y+5y=6x-5y+5y\\4x+2y=6x\\4x+2y-4x=6x-4x\\2y=2x\\

Divide both parts of the equation by 2:

y=x\\Hence,\\4x-3x=6\\x=6\\Thus,\\x=y=6

3 0
2 years ago
What is the answer to this question?
kenny6666 [7]

Answer:

From the information we can conclude that the triangle is a isosceles triangle.

First, we can calculate the hypotenuse by using pythagorean theorem:

√(6² + 6²) = √(36 + 36) =√64 = 8 (cm)

To calculate the area of the triangle, we first need to know the height of it.

Since this is a isosceles triangle, the altitude (which is also the height) will also  be the median of that triangle.

Then we also have a 90° angle, this triangle is also a right triangle, and in right triangle, the median will equal half of the hypotenuse.

From the reasoning above, we can now calculate the height of the triangle:

8/2 = 4(cm)

The area of the triangle should be:

S = hb/2 = (4 . 6)/2 = 12 (cm²)

8 0
3 years ago
If you want to convert yards to feet what operation would you use
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<span>
ft =</span><span>yd * 3.0000 is the operation you would use</span>
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3 years ago
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Simply the expression below <br><br> (10-3i)(2-5i)
scoundrel [369]

Answer:

7i and 3i

hope this helps <33

8 0
3 years ago
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