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nekit [7.7K]
3 years ago
5

Do the sides 9, 12 and 15 make a right triangle?

Mathematics
2 answers:
Fynjy0 [20]3 years ago
6 0

Answer:

YES

Step-by-step explanation:

because they are all different lengths  

mixer [17]3 years ago
6 0

Answer:

yes

Step-by-step explanation:

because in order for a triangle to exist, the sum of the 2 smaller sides must be greater than the third side

in this case: 9+12 is greater than 15, so yes it would.

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2. Allison has 22 meters of fabric to sew dresses. She uses 3 meters of fabric for each
drek231 [11]

Answer:

7

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find x and y, given that line KL and line MN are parallel. Please show how you got your answer.
Olegator [25]
Answers: 
x = 19/2 = 9.5
y = 44/3 = 14.667
The decimal value of y is approximate

-----------------------------------------------------

The triangles are similar. So the corresponding sides form a proportion

KM/KJ = LN/LJ
(x-2)/5 = 12/8
8(x-2) = 5*12
8x-16 = 60
8x = 60+16
8x = 76
x = 76/8
x = 19/2
x = 9.5

Similarly,
MN/KL = LN/LJ
22/y = 12/8
22*8 = 12y
12y = 176
y = 176/12
y = 44/3
y = 14.667 (value is approximate)

8 0
3 years ago
Simplify.
Rus_ich [418]

Answer:

cos x

Step-by-step explanation:

sin x = (sin x) / (1) and cot x = (cos x) / (sin x)

Put those fractions next to each other and multiply them out (numerator times numerator, denominator times denominator).

Cancel out the (sin x) in the numerator and denominator

You should be left with just (cos x) / (1), whoch equals just (cos x).

Hope this helps!

5 0
4 years ago
Read 2 more answers
An early-warning detection system for aircraft consists of four identical radar units operating independently of one another. Su
xxMikexx [17]

Answer:

Yes, the given experiment is a binomial experiment.

Step-by-step explanation:

The conditions of the binomial experiment are

1. The trails are independent.

2. There are two possible outcomes i.e. success or failure.

3. The probability of success p remains constant on each trail.

4. The experiment is repeated fixed number of times n.

When an intruding aircraft enters the scene, the random variable X, the number of radar units that do not detect the plane indicates binomial experiment because

1. The four identical radar units are independent of each other.

2. There are two possible outcomes i.e. radar will detect the plane or radar will not detect the plane.

3. The probability of not detecting the plane p=0.05 remains constant on each trial. Here the probability of success is the probability of not detecting the plane can be calculated as

The probability of not detecting the plane=1- probability of detecting the plane

4. The experiment consists of four radar units i.e. n=4.

5 0
3 years ago
Someone help me with this asap thank you
VladimirAG [237]

The Answer Is 1/21 This Is The Answer:

5 0
3 years ago
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