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konstantin123 [22]
4 years ago
8

I need help as soon as possible

Mathematics
1 answer:
bixtya [17]4 years ago
7 0
I believe the correct answer is -2
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The side lengths of a triangle are 9, 12, and 15. Is this a right triangle?
andriy [413]

Answer:

<h2>Yes, this is a right triangle.</h2>

Step-by-step explanation:

Hypotenuse always have the highest number than base and perpendicular.

Hypotenuse ( h ) = 15

Base ( b ) = 9

Perpendicular ( p ) = 12

Let's see whether the given triangle is a right triangle or not

Using Pythagoras theorem:

{h}^{2}  =  {p}^{2}  +  {b}^{2}

Plugging the values,

{15}^{2}  =  {12}^{2}  +  {9}^{2}

Evaluate the power

225  = 144 + 81

Calculate the sum

225 = 225

Hypotenuse is equal to the sum of perpendicular and base.

So , we can say that the given lengths of the triangle makes a right triangle.

Hope this helps..

Best regards!!

4 0
3 years ago
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PLSS HELP ME WITH THIS! 15 POINTS!
irina [24]

Answer:

2w - 13

Step-by-step explanation:

here we just simplify the expression,

3w - 4 - w - 9

becomes:

2w - 13

5 0
2 years ago
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Find the missing sides and calculate the perimeter.
aleksandr82 [10.1K]

Answer:

the missing longest side is 7 and the shorter missing side is 3 and the perimeter is 26cm brainliest plz

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2 years ago
Let f be a function such that f(x)=2x-4 is defined on the domain.2 is less than or equal to x and x is lss than or equal to 6. T
STALIN [3.7K]
F(x) = 2x - 4
f(2 ≤ x) = 2(2 ≤ x) - 4
f(x ≥ 2) = 2(x ≥ 2) - 4
f(x ≥ 2) = 2(x) ≥ 2(2) - 4
f(x ≥ 2) = 2x ≥ 4 - 4
f(x ≥ 2) = 2x ≥ 0
f(x ≥ 2) = x ≥ 0

f(x) = 2x - 4
f(x ≤ 6) = 2(x ≤ 6) - 4
f(x ≤ 6) = 2(x) ≤ 2(6) - 4
f(x ≤ 6) = 2x ≤ 12 - 4
f(x ≤ 6) = 2x ≤ 8
f(x ≤ 6) = x ≤ 4
8 0
3 years ago
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There were 20 boys and 20 girls in a chorus. What is the ratio of boys to girls
aliya0001 [1]

Answer:

1:1

Step-by-step explanation:

3 0
3 years ago
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