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nika2105 [10]
3 years ago
12

State if each triangle is a right triangle.

Mathematics
1 answer:
Kitty [74]3 years ago
3 0

Answer:

No, It is not a right triangle

Step-by-step explanation:

For it to be a right triangle, the hypotenuse would be equal to the sum of the legs when squared.

Use the pythagorean theorem-

8^2+12^2=15^2

64+144=225

208=225

Since they aren't equal, it is not a right triangle.

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Solve for x<br> 2(x + 4) = -6<br> x=
polet [3.4K]

Answer:

Step-by-step explanation:

here you go mate :)

step 1

2(x + 4) = -6  solving for x

step 2

2(x + 4) = -6  simplify by distributing

2x+8=-6

step 3

2x+8=-6  subtract 8

2x=-14

step 4

2x=-14  look for the number that can divide them both like 2

2x/2=-14/2

answer

x=-7

4 0
3 years ago
there are 10 boy and 10 girl in a group, 2 boys are to selected and 2 girl are to selected for the play, how many ways can they
Deffense [45]

Answer:

400 ways

Step-by-step explanation:

Times 10 x 10 x 2 x 2  to get your answer

3 0
2 years ago
Please help me out.................
user100 [1]

Answer:

y = 15

Step-by-step explanation:

In a parallelogram, opposite lengths are equal.

So it means that the length (5y - 20) is equal to (2y + 25).

Now that there is only one variable in the equation, we can solve for the variable.

5y - 20 = 2y + 25

5y - 2y = 25 + 20

3y = 35

y = 15

5 0
3 years ago
18(5−3w) =<br> can someone help me pls
nika2105 [10]

Answer:

90-54w

Step-by-step explanation:

use the distributive property

3 0
3 years ago
Which expression means “ 3 less than the quotient of a number and 7
Yanka [14]
X/7-3=6
X/7=6+3
X/7=9
7x9=63
63/7-3=6
9-3=6

I would say choice “C”
7 0
2 years ago
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