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2 years ago

Help me with which triangle it is and how do I find x?

Mathematics

2 answers:

weeeeeb [17]2 years ago

7 0

Step-by-step explanation:

it's an isosceles triangle,

as an Isosceles triangle have two equal sides so

→ 2x - 9 = x + 5

→ 2x - x = 5 + 9

→ x = 14

therefore, value of x is 14.

2(14) - 9 = 28 - 9 = 19

14 + 5 = 19

hope this answer helps you dear take care!

3241004551 [841]2 years ago

6 0

Answer:

isosceles

x=14

Step-by-step explanation:

isosceles because of the two I symbols on the triangle

x+5=2x-9

5+9=2x-x

14=x

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cestrela7 [59]

The correct answer is A) (1,-5)

Further explanation:

Given points are:

A(-8,7)=(x1,y1)

C(7,13)=(x2,y2)

IT is also given that

AB:BC=3:2

Which means that B divides the line segment in 3:2

Here,

m=3

n=2

To find the coordinates of B

$x_B=\frac{mx_2+nx_1}{m+n}\\ = \frac{(3)(7)+(2)(-8)}{3+2}\\=\frac{21-16}{5}\\=\frac{5}{5}\\=1\\y_B=\frac{my_2+ny_1}{m+n}\\=\frac{(3)(-13)+(2)(7)}{3+2}\\=\frac{-39+14}{5}\\=\frac{-25}{5}\\=-5$

The coordinates of point B are (1,-5)

The correct answer is A) (1,-5)

Keywords: Coordinate geometry, mid-point

Learn more about coordinate geometry at:

#learnwithBrainly

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3 years ago

If we subtract 22 from three times of number we get 68 find the number

aleksandrvk [35]

Answer:

90,30

Step-by-step explanation:

let the three times be 3x then,

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3 years ago

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EleoNora [17]

The options can be rewrited as follow:
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Unless perhaps you have written down the question incorrectly.

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