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Katyanochek1 [597]
2 years ago
10

The ratios of the measures of the angles in triangle XYYZ is 7:13:16. Find the measures of the angles

Mathematics
1 answer:
kirza4 [7]2 years ago
8 0

Answer:

let the angles be 7x , 13x , 16x

7x + 13x + 16x = 180 ( sum of angles in a triangle is 180 degree)

36x = 180

x = 180 / 36

x = 5

therefore the angles are:

7 X 5 = 35 degree

13 X 5 =  65 degree

16 x 5 =  80 degree

plz mark me as the brainliest

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A pole that is 3.4 m tall casts a shadow that is 1.54 m long. At the same time, a nearby building casts a shadow that is 35.75 m
inna [77]

Answer:

The building would be 78.92 meters tall.

Step-by-step explanation:

If the shodow of a 3.4m tall pole is 1.54m tall, and you have the shadow's height, then you make a cross, multiply-divide ratio table.

5 0
2 years ago
Use the x-intercept method to find all real solutions of the equation -9^3-72^2-96x+36=3x^3+x^2-3x+8
Vadim26 [7]

Answer:

 x ≈ 0.290640965127

Step-by-step explanation:

y subtracting the right side of the equation, we get a function that is zero at a real solution for x. The only x-intercept is at approximately 0.290640965127.

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2 years ago
A radioactive substance decays exponentially. A scientist begins with 100 milligrams of a radioactive substance. After 27 hours,
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7 0
3 years ago
PLEASE HELP 7TH GRADE MATH
Contact [7]

Answer:

Slope=-3/4

Step-by-step explanation:

The slope is the rise/run or y/x

Points given for A are (-4, 3), for B (4, -3)

The formula for slope is m=y^2-y^1/x^2-x^1

https://calcworkshop.com/graphing-linear-equations/slope-formula/

So we'll plug in the information given into the formula.

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5 0
2 years ago
What’s the axis of symmetry and the vertex of x^2-4x-32
konstantin123 [22]
<span>x^2 -4x -32
</span>a =1b= -4c= -32
The x,y points of the vertex are usually referred to as Vertex = (h, k)where h = -b / (2 * a)
h = --4 / (2 * 1)h = 4 / 2h = 2
k = ah^2 +bh + ck =1*4 -4*2 -32k = 4 -8 -32k = -36
vertex = (2, -36)axis of symmetry = x position = 2
Source:http://www.1728.org/quadr3.htm

6 0
3 years ago
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