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Alex
3 years ago
10

What is the value of y, and quick explanation please!

Mathematics
2 answers:
Georgia [21]3 years ago
7 0
The total degree value of a triangle is 180.

so 40+y+30+y=180
then solve for y =55
so the answer is b
aev [14]3 years ago
3 0
 think its B. because its a right angle and right angles are 90 degrees

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I don’t know how to solve this
V125BC [204]

Assuming that both triangles are an exact copy of one another, it is safe to assume that 3y-7 is equal to 41. Set up an equation

3y-7=41

Add 7 to both sides

3y=48

Divide both sides by 3

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Now to find PN.

Based on what we know, we can assume that MP = PN. Let's make some equations!

MP = 17x-8     PN = 11x+4

17x-8 = 11x+4

Subtract 11x from both sides

6x-8 = 4

Add 8 to both sides

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Divide by 2

x=2

Substitute 2 in for x in the equation for PN

11(2)+4

Multiply 11 by 2

22+4 = 26

PN = 26

7 0
3 years ago
By rounding each number to 1 significant figure estimate the answers to:<br> 39x52divided by 3.8x4.9
mestny [16]
(39x52=2028) (3.8x62=18.62) 2028 divided by 18.62 equals (108.915145) 108.91
6 0
3 years ago
A definition of a statistical question is given below.
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Answer:

I dont know

Step-by-step explanation:

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3 years ago
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