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Lana71 [14]
3 years ago
8

Help will mark as brainliest

Mathematics
2 answers:
viktelen [127]3 years ago
7 0
X=20
180-31-90
61=3x-1
60=3x
elena-s [515]3 years ago
3 0
#3
90+31= 121

180-121=59

the angle must equal 59 so plug that in:

3x-1=59
59+1=60
60/3= 20

x=20


#6

94 is supplementary to our blank angle making our blank angle 86

86+60=146

180-146=34

34/2=17

x=17

Hope this helps!
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tino4ka555 [31]

ok thank you so much for the info

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3 years ago
Select the correct answer.
Marta_Voda [28]
Remember x is x and f(x) is same thing as y.

f(5) = 4

It is same thing as saying, when x = 5, y aka f(x) should be 4. Aka the point (5,4)

Let’s look at D, if x =5 then f(x)=5? No, it should equal 4. So this is wrong. It is also not linear. So NOT D

Lets look at C, if x =5 then
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So, f(x) aka y = 4. Is this correct? Yes when x =5, y indeed should equal 4, but it is not linear. So NOT C

Lets look at B, if x=5 then,
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So, f(x) aka y = 4. Is this correct? Yes when x =5, y indeed should equal 4, AND it is linear SO THE ANSWER IS B

Check A too, it gets y=14 so thats wrong as it is not 4.


5 0
2 years ago
A polygon has the following coordinates: A(3,-3), B(-3,-2), C(-5,1), D(-5,4), E(-4,6), F(-2,6), G(3,2). Find the length of CD.
slavikrds [6]

Answer:

3

Step-by-step explanation:

C (-5,1)

D (-5,4)

C and D have same X coordinate value

CD length = Yd - Yc = 4-1 = 3

5 0
3 years ago
What is the equation of a line that has a slope of -5 and passes through the point (0, 2)?
Vesnalui [34]

Answer:

y= -5x+2 is the equation.

3 0
3 years ago
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Reika [66]

Answer:

A

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1322.14 / 104.51 = 12.65

1:12.65

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3 years ago
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