Work out the value of 23 - 4b. When b = 3
2 answers:
Answer:
11
Step-by-step explanation:
Substitute 3 for b
23 - 4(3)
Multiply 4(3) = 12
23 - 12
Subtract
23 - 12 = 11
Answer:

Step-by-step explanation:

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Answer:
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Step-by-step explanation:
Subtract (6,8) by (1, -2)
8--2/6-1=10/5
Simply
10/5=2
Plug in
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Answer:
105
Step-by-step explanation:
Depends are you finding x or other variables
Answer:
Area = 60
Step-by-step explanation:
(h b)/2
h = 10
b = 12
12 x 10 = 120
120/2 = 60
(h = height and b = base)