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galina1969 [7]
3 years ago
14

They all equal up 180 but what is x?

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
5 0

x = both 25 and 20 + up witch is 45


Luda [366]3 years ago
3 0
A triangle’s angles added up are 180 degrees and a triangle must have 3 angles, therefore the formula is: a + b + c = 180
So lets substitute the angles in your problem to the formula.
Let a = 25 degrees
Let b = 20 degrees
And let c = x + 144

25 + 20 + (x + 144) = 180
Add common variables, in this case 25 and 20:
45 + (x + 144) = 180
Isolate the x variable, first by subtracting 45 from both sides.
45 - 45 + (x + 144) = 180 - 45
x + 144 = 135
Now, subtract both sides by 144:
x + 144 - 144 = 135 - 144
x = -9
Your answer is: x = -9
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Write the quadratic function in standard form.<br><br> y=2(x - 3)² +9
xz_007 [3.2K]

Answer:

y = 2x^2 - 12x + 27

Step-by-step explanation:

<u>Step 1:  Distribute the power</u>

y = 2(x - 3)² + 9

y = 2(x^2 - 6x + 9) + 9

y = 2x^2 - 12x + 18 + 9

y = 2x^2 - 12x + 27

Answer: y = 2x^2 - 12x + 27

5 0
2 years ago
The surface area of this rectangular prism is 34 square centimeters. What is the volume is the width is 1 cm, the length is 2 cm
Bezzdna [24]

Answer: 10\ cm^3

Step-by-step explanation:

Given

The surface area of a rectangular prism is 34\ cm^2

Width of prism w=1\ cm

Length of prism l=2\ cm

height of prism h=x\ cm

Surface area is given by

S.A.=2[lw+wh+hl]

Put values

34=2[2\times 1+1\times x+2x]\\17=2+3x\\15=3x\\x=5\ cm

Now, the volume of Prism is given by

V=l\times w\times h

\Rightarrow V=2\times1\times 5=10\ cm^3

8 0
2 years ago
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Georgia wants to evenly divide 84 trading cards among 6 friends. How many cards will each friend get ?
iragen [17]

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3 0
3 years ago
Read 2 more answers
The figure shows a triangle with an angle bisector. If angle SUT= 34°, find the measurement of angle 1?
Burka [1]

The ANGLE BISECTOR mentioned in the problem is simply just a line that separates an angle in half.

Meaning if it bisects ∠SUT which is 34. It just means that it divides the angle 34 into 2 equal parts.

Therefore ∠1 is just one-half of the ∠SUT.

\begin{gathered} m\angle1=\frac{\angle SUT}{2} \\ m\angle1=\frac{34}{2} \\ m\angle1=17 \end{gathered}

Therefore the measurement of ∠1 is 17°.

8 0
1 year ago
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