Answer:
a. 540
Step-by-step explanation:
Answer:
63-35=28
K=28
Step-by-step explanation:
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Answer:
(11,-23)
Step-by-step explanation:
3a+b=10 equation 1
-4a-2b=2 equation 2
using equation 1 we have
b = 10-3a equation 3
using equation 2 we have
-4a-2(10-3a)=2
-4a-20+6a=2
2a-20=2
2a=22
a=22/2
a=11
so using equation 3
we have
b = 10-3(11)= 10-33
b=-23
finally the answer is
(11,-23)
Answer:
The first number is 10 and a he second number is 7.
Step-by-step explanation:
Small number= 7
Big number= 7*2=14-4
=10
Answer:
c = 5
Step-by-step explanation:
Order of Operations: BPEMDAS
Step 1: Define
Step 2: Solve for <em>c</em>
- <u>Cross multiply:</u>
- <u>Distribute:</u>
- <u>Subtract 4c on both sides:</u>
- <u>Add 7 to both sides:</u>
- <u>Divide both sides by 3:</u>
Step 3: Check
<em>Plug in c to verify it's a solution.</em>
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