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Alexxx [7]
3 years ago
7

3. Solve the system using substitution (1 point)

Mathematics
1 answer:
Flauer [41]3 years ago
8 0
(B), (C) And (D) are right for the equation y = 8 - x but none of those are true in the second equation.
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How do you solve this problem?
sveticcg [70]
8/9

O=16H

H+H+O=water

18H =water molecules
so u can see ratio 16H/!8H=8/9
7 0
3 years ago
I need help please its math ill be puting more answer things like this if i need more help.​
icang [17]
Add the fractions together
1/7 + 1/2
find a common denominator
1/14 + 1/14
= 2/14 + 7/14
= 9/14
6 0
3 years ago
Is this number rational or irrational? 2/5 squared <br><br> A.rational<br><br> B.irrational
DiKsa [7]
Answer: irrational

Explanation;
7 0
4 years ago
You have 80 ft of fencing to enclose a rectangular yard. the yard is 10 ft wide by 30 ft long. what is the area of the rectangul
Fantom [35]
Hi there!

A=L*W (Area=Length*Width)
*=multiplication

L=30
W=10
A=30*10
A=300ft

Therefore the area would be 300ft

Hope this helps!
7 0
3 years ago
Work out the height of this triangle with base, b = 5.9mm and area, A = 149.27mm2.
AlekseyPX

Answer:

50.6

Step-by-step explanation:

50.6*5.9=298.54/2=149.27

5 0
3 years ago
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