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stich3 [128]
3 years ago
6

What is the area and perimeter

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
5 0

b. answer is two

a. answer is 2.5

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Classify the number as rational or irrational: 4.126532
Oksana_A [137]

That's the ratio of 4,126,532 to 1,000,000 so it's rational.

Here's a little factoid that I never see mentioned anywhere, but I think it can be really helpful to know:

==> Any number that you can WRITE DOWN COMPLETELY using digits (plus a decimal point or a fraction bar if you need them) is a rational number.

If " 4.126532 " is the whole thing, you sure nuff wrote it down, so it's rational.

4 0
3 years ago
Please help(ik it’s not c)
Talja [164]
The answer is A. 45 degrees
6 0
2 years ago
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What’s the value of DCB?<br> Pls help
amm1812

Answer:

78

Step-by-step explanation:

angle ACD + angle DCB = 180   (Angles on straight line)

4x + 2 + 3x + 3 = 180

7x + 5 = 180

7x = 180-5

7x = 175

x = 175 / 7

x = 25

angle DCB = 3x +3 = 3*25 + 3 = 75 +3 = 78

6 0
2 years ago
2x+5y=11 and 4x+3y=1 solve with elimination
storchak [24]
Multiply you first equation by 2 to get 4x + 10y = 22
Now the x terms can be eliminated and cancelled out using elimination.
4x + 10y = 22
4x + 3y = 1

To eliminate you need to "subtract", so you need to multiply one of the equations by -1. 

4x + 10y = 22
-4x -3y = -1
------------------
0 + 7y = 21
y = 3

Now plug 3 into either one of the equations to get x.
7 0
3 years ago
Given that AGEO - AFUN, find UF. N G 12 ft 17 ft E O 15 ft UF = ? ft​
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San was a 1074774 minute walk
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