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Anton [14]
3 years ago
9

What is the measurement of the unknown fourth interior angle of this quadrilateral?

Mathematics
1 answer:
9966 [12]3 years ago
8 0
There is no picture of the quadrilateral so here’s just how to do it find the fourth unknown angle of a quadrilateral, subtract the number of degrees in the other three angles from 360°. Example: How many degrees are in the fourth angle of a quadrilateral whose other angles are 80°, 90°, and 65°?
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2x – 4 = 6<br> The answer is 10, but I just need a step by step explanation for this
vazorg [7]

Answer:

x=5

Step-by-step explanation:

2x – 4 = 6

Add 4 to each side

2x – 4 +4= 6+4

2x = 10

Divide each side by 2

2x/2 = 10/2

x = 5

6 0
3 years ago
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Find the equation of a line with the following characteristics: slope=1/2;goes through (4,-1)​
gizmo_the_mogwai [7]

Answer:

the answer is 9 14

Step-by-step explanation:

it's correct so then nine times blah equals 9 / 14

3 0
3 years ago
Which of the diagrams correctly displays a→+b→=c→, using the parallelogram method?
adoni [48]

Answer:It’s. B

Step-by-step explanation:

7 0
3 years ago
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1. The equation y=x^2-9x+20 models the roller coasters path over time. The variable y represents height (in feet) above or below
azamat

Answer:

1) the factored form is  y= ( x-5 ) ( x+4 )

2) the vertex is (4.5, -0.25)

3) the y intercept is when x equals 0 so it is at (0,20)

4) it opens upward and the vertex is (4.5, -0.25) the x intercepts are (4,0) and (5,0) and the y intercept is  (0,20)

5)

a. it dips  between 4 seconds and 5 seconds so the x intercepts are (4,0) and (5,0)

b. it is taken at the vertex aka the lowest point so the height is -0.25

8 0
3 years ago
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Choose the best system of equations to represent the situation and determine the labels for the variables:
7nadin3 [17]
Answer B.
X represents the number of years grown
Y represents the total number of feet grown
4 0
3 years ago
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