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Alex
2 years ago
12

Find the angles marked with letters. (AB is always a straight line)

Mathematics
2 answers:
8090 [49]2 years ago
6 0

Answer:

A

Step-by-step explanation:

Tresset [83]2 years ago
3 0

Answer:

Step-by-step explanation:

B

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Please help me answer these.
e-lub [12.9K]

Answer:

베댜ㅗ유루ㅠㅇㄹ어융ㅓ엋 어나어ㅑ양개대재자저오렇로ㅓ로로로랻

7 0
3 years ago
Find each equation with the correct solution​
stepladder [879]

Answer:

15;9;-8

Step-by-step explanation:

1. 5/3x-3=2/3x+12

x=15 once you combine like terms

2. 5x+35-3x+12=7x+2

2x+47=7x+2

5x=45

x=9

3. 12x+20-3=9x-7

12x+17=9x-7

3x=-24

x=-8

3 0
2 years ago
Math help @LIEMONDER
klio [65]
First picture)
I: 5x+2y=-4
II: -3x+2y=12

add I+(-1*II):
5x+2y-(-3x+2y)=-4-12
8x=-16
x=-2

insert x=-2 into I:
5*(-2)+2y=-4
-10+2y=-4
2y=6
y=3

(-2,3)

question 6)
I: totalcost=115=3*childs+5*adults
II: 33=adults+childs
33-adults=childs

insert childs into I:
115=3*(33-adults)+5*adults
115=99-3*adults+5*adults
16=2*adults
8=adults

insert adults into II:
33-8=childs
25=childs

so it's the last option

question 7)
a) y<6 and y>2 can also be written as 2<y<6, so solution 3 exist for example
b) y>6 and y>2 can also be written as 2<6<y, so solution 7 exist for example
c) y<6 and y<2 inverse of b: y<2<6, so for example 1
d) y>6 and y<2: y<2<6<y, this is impossible as y can be only either bigger or smaller than 2 or 6

so it's the last option

question 8)
I: x+y=12
II: x-y=6

subtract: I-II:
x+y-(x-y)=12-6
2y=6
y=3

insert y into I:
x+3=12
x=9

(9,3)

question 9)
I: x+y=6
II: x=y+5

if you take the x=y+5 definition of II and substitute it into I:
(y+5)+y=6

which is the second option :)
5 0
3 years ago
Mako’s goal is to save $42. He currently has $2 and plans to save $18 per week. Let x represent the number of weeks Mako saves m
earnstyle [38]

take them seriously, they weren't a joke

7 0
3 years ago
Please help!<br><br> Find the measure of the angle labeled with the question mark.
zmey [24]

Answer:

it is 125°

Step-by-step explanation:

alternate interior angles are equal

7 0
3 years ago
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