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Iteru [2.4K]
3 years ago
10

Ill give brainliest Triangle Sum Theorem CLASSWORK

Mathematics
2 answers:
olasank [31]3 years ago
8 0

Answer:

(14x + 1) + 90 + 61 = 180 \\ 14x + 152 = 180 \\ 14x = 28 \\  \boxed{x = 2}

<h3>2 is the right answer.</h3>

(4x + 3) + 55 + 70 = 180 \\ 4x + 128 = 180 \\ 4x = 52 \\  \boxed{x = 13}

<h3>13 is the right answer.</h3>

zepelin [54]3 years ago
7 0

Step-by-step explanation:

Sum of angles in a triangle = 180°.

Question 3:

We have 90° + 61° + (14x + 1)° = 180°.

=> 14x° + 152° = 180°

=> 14x° = 28°

=> x = 2.

Question 4:

We have 70° + 55° + (4x + 3)° = 180°.

=> 4x° + 128° = 180°

=> 4x° = 52°

=> x = 13.

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Kyle stood on a bridge and threw a rock up and over the side. The height of the rocks in meters can be approximated by approxima
mojhsa [17]

Answer:

The factorized expression is (-5) × (t - 2.747) ×(t - 1.747)

Step-by-step explanation:

The given expression is -5·t² + 5·t + 24

To factorize the expression by completing the square method, we equate the expression to zero to get;

-5·t² + 5·t + 24 = 0

WE divide by -5 to get;

t² - t - 24/5 = 0

t² - t = 24/5

t² - t + 1/4 = 24/5 + 1/4

(t - 1/2)² = 5.05

t - 1/2 = ±√5.05

t = 1/2 + √5.05, 1/2 - √5.05

The factorized expression becomes;

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Which gives;

(t - 2.747) ×(t - 1.747)

The factorized expression is (-5) × (t - 2.747) ×(t - 1.747).

8 0
4 years ago
Searches related to Elon sat on the dock with his fishing rod, when suddenly he felt the rod being pulled down! He reeled in his
Ray Of Light [21]
The graph is attached.

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To find how far the catch had to travel to reach the surface, we set up our equation as:
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This will tell us how much distance it traveled in 35 seconds.  0.1(35)=3.5, so the catch started 3.5m under water.  It then travels up at 0.1 m per second.

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3 years ago
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Eduardwww [97]

Answer:

equation: 4x+6=9

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Step-by-step explanation:

4x+6=9

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divide by 4 on both sides

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x=0.75

I hope this is good enough:

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