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erastovalidia [21]
3 years ago
11

Need to find the value of y

Mathematics
1 answer:
alexgriva [62]3 years ago
3 0

Answer:

√55

Step-by-step explanation:

Notice that the small triangle in the bottom corner shares an angle with the overall triangle.  Also, they are both right triangles.  Therefore, they are similar triangles.

Notice that the large triangle at the top shares an angle with the overall triangle and is also a right triangle.  Therefore it is also similar to the overall triangle and the smaller triangle.

Writing a proportion between the small and large triangles:

y / 11 = 5 / y

y² = 55

y = √55

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8=Z/16<br><br><br> Hint: equation and rational coefficient
sergiy2304 [10]

Answer:

z=128

Step-by-step explanation:

z/16=8

z=8*16

z=128

8 0
3 years ago
In how many orders can six people line up from left to right for a group photo?
slavikrds [6]

Answer:

720 possible orders

Step-by-step explanation:

To order 6 people in a line, let's imagine them as 6 possible spaces:

( )( )( )( )( )( )

Going from left to right, let's start with space 1.

There are 6 possibilities for space 1 as any of the 6 people could occupy that space in the line.

(6)( )( )( )( )( )

Next, since one person will have already occupied space 1, there are only 5 people left who can occupy space 2, so there are 5 possibilities for space 2:

(6)(5)( )( )( )( )

Continuing in this fashion, there are now only 4 people left so 4 possibilities for space 3 and etc.

(6)(5)(4)(3)(2)(1)

This means we have 6,5,4,3,2 and 1 possibilities for each space respectively.

Multiply them together and we have:

6x5x4x3x2x1 = 720 possible orders.

Hope this helped!

5 0
3 years ago
Read 2 more answers
Simplify 7 - 5x - (3+5x) <br><br> A. 4<br> B. 10 + 10x<br> C. 4 + 10x<br> D. 4 - 10x
ahrayia [7]
7-5x-(3+5x)
7-5x-3-5x
4-10x
This is my answer☺
1.Do the parenthesis first
2.Combine the like term
7 0
3 years ago
What is the GCF of the expression 4x2 + 3x?
DochEvi [55]

The answer is A: x

.............

5 0
3 years ago
Read 2 more answers
3 is what percent of 5?
kkurt [141]
  • <em>Answer:</em>

<em>60%</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>5 ........... 100%</em>

<em>3 .................x%</em>

<em>x = 3×100/5</em>

<em>= 300/5</em>

<em>= 60%</em>

<em>Good luck ! </em>

8 0
3 years ago
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