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Montano1993 [528]
2 years ago
12

Simplify (x - y + 1) - (x + y - 1).-2x + 2y-2y + 22y - 22x - 2y + 2

Mathematics
1 answer:
solmaris [256]2 years ago
7 0

Answer:

the answer is = -19x+21y+1

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Find the measure of the exterior angle.
Marysya12 [62]

Answer:

The exterior angle is 77

Step-by-step explanation:

The measure of the exterior angle of a triangle is equal to the sum of the two opposite interior angles.

2x+11 = x +44

First we need to find x

Subtract x from each side

2x+11-x = x+44

x +11 = 44

Subtract 11 from each side

x+11-11 = 44-11

x =33

Now we can find the exterior angle

2x+11 = 2(33)+11 = 66+11 = 77

The exterior angle is 77

5 0
1 year ago
Look at the photo to understand more
Minchanka [31]
Q19) the answer is 4 as 1 kg = 1000 and 1000 divided by 250 is 4

Q20) 3kg as 225 x 2 = 500 plus 800 x 3 = 2400 and 500 + 2400 = 2900 which is closer to 3000g which is 3kg

Q21) the blue and gold macaw as 1kg = 1000g and 800g is closet to that

6 0
3 years ago
Find the value of x in the picture
MatroZZZ [7]

Answer:

100º

Step-by-step explanation:

It is across from the angle labeled 100º, therefore, it is also 100º.

Hope this helps! Have a great day!

8 0
2 years ago
Read 2 more answers
Solve 7m+2n=21 and 10m+4n=-10 with substitution
schepotkina [342]
I hope this helps you



10m+4n= -10


5m+2n= -5


-5m-2n= 5



7m+2n-5m-2n= 21+5


5m=26 m= 26/5


5.26/5+2n= -5


26+2n= -5


2n= -31


n= -31/2
3 0
3 years ago
2\0.1 x 10\10 = it would help me a lot
Hoochie [10]

Answer:

The answer is1 thank you

4 0
2 years ago
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