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Morgarella [4.7K]
3 years ago
5

AB is parallel to CD. Determine the value of X.

Mathematics
1 answer:
Nikolay [14]3 years ago
3 0

Step-by-step explanation:

50°+ 30° = 80° The value of x

Reason is The sum of interior angle is equal to the exterior one.

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If C is between A and B, then answer the following if AB=40, AC= 2x+10, CB= 3x-5
Marat540 [252]

If C is between A and B, then, we can write the equation

AB = AC + CB


Substitute the value of AB and the expressions for AC and CB in terms of x.


40 = (2x+10)+(3x-5)


We can now solve for x.



40-10+5= 2x+3x



35=5x


Dividing by 5.


7=x


AB=40



AC=2(7)+10



AC=14+10



AC=24




BC=3(7)-5



BC=21-5


BC=16



6 0
4 years ago
Write in y=mx+b form
DENIUS [597]

Step-by-step explanation:

b =-4 (y-intercept)

x =0

m = 0 (the line doesn't have a slope)

y = mx + c

y = 0(0) + (-4)

y = - 4

7 0
3 years ago
-3÷(-2/5) simplify the expression
Vika [28.1K]

Answer:

7.5 is the answer you are looking for

8 0
3 years ago
Kristine bought a vase that cost $5.99 and roses that cost $1.25 each. The total cost was $20.99. How many roses did Kristine bu
11111nata11111 [884]
If it cost 21 dollars then she probably bought 12 roses
4 0
3 years ago
Read 2 more answers
Brainly Quiz! Do this under 5 mins!
gregori [183]
3/4 hr=60 times 3/4=45mins
45/6=7.5 letters
that is pretty slow if you ask me




1/4 times what=5/6
times 4/1 both sides
what=20/6
what=10/3
about 3 and 1/3 of the 1/4 in the 5/6






20mins=1/3hr so
1/3 times what=3.4
times 3/1 both sides
what=10.2
there are 10.2 of them




1yd=36in
3/4 times 36=27in
27/3=9
9 of them




16oz=1lb
3/4 times 16=12oz
12/2=6
6 cookies

3 0
4 years ago
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