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dmitriy555 [2]
3 years ago
14

Find the value of the variable.

Mathematics
2 answers:
topjm [15]3 years ago
6 0

Answer:

the value of x and y is the same which is 21.22

Ivanshal [37]3 years ago
4 0

Answer:

x = 15√2 ; y= 15√2

Step-by-step explanation:

Thanks to the given informations we can say that the triangle is isosceles, so the leg are congruent x = y

For the Pythagorean theorem, we have

x^2 + x^2 = 30^2

2x^2 = 900

x^2 = 450

x = \sqrt{2 * 3^2 * 5 ^2} = 15\sqrt{2}

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For each value of y, determine whether it is a solution to 12 = 2y +8.<br> Is it a solution
grin007 [14]

Answer: 2(0) + 8 does not equal 12, not a solution.

2(2) +8 = 12 yes it is a solution

2(-3) + 8 does not equal 12, not a solution

2(5) + 8 does not equal 12, not a solution.

Step-by-step explanation:

Looks like you need to plug in each y value given and multiplied by 2 and add 8

2(0) + 8 does not equal 12, not a solution.

2(2) +8 = 12 yes it is a solution

2(-3) + 8 does not equal 12, not a solution

2(5) + 8 does not equal 12, not a solution.

3 0
4 years ago
Please explain how I find the surface area and the answer please
docker41 [41]
You can take it apart. There are a top and bottom (both the same) right triangle. So you can find the area of that by multiplying 8*6 and divide by two. Then multiply by two because there are 2 triangles.
You are left with three rectangular sides: One 10x10, one 10x6, and one 10x8.
So your whole equation looks like this: A = 2[(8*6)/2]+(10*10)+(10*6)+(10*8)
5 0
4 years ago
What is the slope of a line perpendicular to AB if A (-2,-1) and B (0,4)
Nata [24]

Answer:

hgrtghjthweg

Step-by-step explanation:

7 0
4 years ago
Simplify the expression to a single numerical value. 3x2^3 x 2x3^2.
matrenka [14]
It’s wants 20 characters lol but the answer is b
4 0
4 years ago
Solve the following inequality:<br><br> 176 + 5x ≤ 200
Flauer [41]

Answer:

Step-by-step explanation:

176+5x≤ 200

-176        -176

5x≤ 24

----------

5        5

x≤ 4.8=24/5

8 0
3 years ago
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