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Fofino [41]
3 years ago
11

The perimeter of the rectangle below is 120 units. Find the value of y. 5y - 3 4y

Mathematics
1 answer:
vladimir2022 [97]3 years ago
5 0

Answer:

y =7

Step-by-step explanation:

2(5y-3)+2(4y) = 120 units

10y - 6 + 8y = 120 units

18y= 120+6

y = 126/18

y = 7

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5x + y = -5<br> I need to graph this pls help
Lisa [10]
Hope this helps
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4 0
3 years ago
Consider the triangle A(4,0), B(-2,4), C(0,6)<br> What will be the equation of the altitude BM?
katovenus [111]

Answer:

BM: <u>y = (2/3) x + 16/3</u> with segment length of 2.77

Step-by-step explanation:

AC formula: m = (6-0)/(0-4) = -3/2

(y-0)/(x-4) = -3/2       y = (-3/2)x + 6   ... (1)

BM slope: BM⊥ AC   m = 2/3

BM formula: (y-4) / (x- -2) = (y-4) / (x+2) = 2/3

y-4 = 2/3 x + 4/3

<u>y = (2/3) x + 16/3</u>   ... (2)    -2≤x≤0.31

intercept of AC and BM (M) from (1) and (2): (-3/2)x + 6 = (2/3) x + 16/3

(13/6) x = 2/3      x = (2/3) / (13/6) = 4/13 ≈ 0.31

y = (2/3) (4/13) + (16/3) = (8/39) + (208/39) = 216/39 = 72/13 ≈ 5.54

M (4/13 , 72/13) or (0.31 , 5.54)

segment BM = √(4/13 - -2)² + (72/13 - 4)² = √1300/169 = 2.77

4 0
2 years ago
Helllpppppp pleaseee<br> i will mark you brillllllll
frez [133]

Answer:

the answer of the question is k = 176

6 0
2 years ago
Read 2 more answers
Given that pentagon ABCDE ≅ pentagon FGHIJ, find the value of m.
I am Lyosha [343]
Thank you for posting your question here at brainly. Feel free to ask more questions.   <span><span>The best and most correct answer among the choices provided by the question is  </span>A. 2 .</span>       <span><span>

</span><span>Hope my answer would be a great help for you. </span> </span>  

<span> </span>

7 0
3 years ago
Solve the system of linear equations by substitution x+4y =37 y = -x + 16
pantera1 [17]
You plug -x+16 in for y in x+4y=37 to get x after you multiply x+4y=37 by -1.
-x-4(-x+16)=-37
-x+4x-64=-37
3x-64=-37
3x=27
x=9
Then you plug 9 into either equation to get y.
y=-x+16
y=-(9)+16
y=7

x=9 and y=7
4 0
3 years ago
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