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zlopas [31]
3 years ago
13

Please help find the value of x in the isosceles triangle shown below. V80 V80

Mathematics
1 answer:
Vadim26 [7]3 years ago
4 0

Answer:

Option A. x = 8

Step-by-step explanation:

Please see attached photo.

From the attached photo,

we shall determine the value of y. This can be obtained by using pythagoras theory as illustrated below:

(√80)² = 8² + y²

80 = 64 + y²

Collect like terms

80 – 64 = y²

16 = y²

Take the square root of both side

y = √16

y = 4

Finally, we shall determine the value of x. This can be obtained as follow:

From the attached photo,

x = 2y

but:

y = 4

Therefore,

x = 2y

x = 2 × 4

x = 8

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triangle ABC has vertices at A (-12,-8) B (10,-6) and C (6,14. What is the midpoint of side AC of the triangle?
grigory [225]

Step-by-step explanation:

midpoint of AC=(x¹+x²/2,y¹+y²/2)

=(-12+6/2,-8+14/2)

=(-6/2, 6/2)

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5 0
3 years ago
18. The Sahara Desert is the largest desert in the world. It covers 3,500,000 square miles. The Australian Desert is the second
ruslelena [56]
Solution:
3,500,000 - 2,030,000 = 1,470,000 square miles
Explanation:
Let's fully understand what this word problem is saying. Break it down.
The Sahara Desert is the largest desert in the world.
The Australian Desert is the second largest desert. 
This means that the Australian Desert has an area that is less than the Sahara desert. 
We are given the size of the Sahara, which is 3,500,000 square miles, but not the size of the Australian desert.The area of the Australian desert is less by 2,030,000 square miles.This is the amount we have to subtract from the area of the Sahara to find the size of the Australian desert:
3,500,000-2,030,000= 1,470,000 square miles. Hope this helps!
6 0
3 years ago
Which graph represents the function y = 4?
expeople1 [14]

Answer:

answer is ABCD

Step-by-step explanation:

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6 0
3 years ago
Given the parent function f(x) = 3x, which graph shows f(x) + 2?
blsea [12.9K]
The one that has positive 2 as the y intercept
6 0
3 years ago
Will give brainliest!
hram777 [196]

Answer:

Step-by-step explanation:

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