2 answers:
Answer:

Step-by-step explanation:
<h2>Given that:</h2>
<h2>To find:</h2>
<h2>formulas used:</h2>
where,
- B = bracket
- O = of
- D = division
- M = multiplication
- A = addition
- S = subtraction
<h2>explanation:</h2>
⟼ 20 ÷ ( 4 + 1 ) × 2
⟼ 20 ÷ (5) × 2
⟼ 20 ÷ 5 × 2
⟼ 4 × 2
⟼ 8
∴ 20 ÷ ( 4 + 1 ) × 2 = 8.
<h2>Hence simplified ☑️</h2>
4+1= 5
20 divide 5 x 2
5 x 2 = 10
20 divided by 10 is 2
So your answer is 2
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Answer:
Hi I'm learning the same thing and I just got it I think it's C=43.98cm
Step-by-step explanation:
<u>Step 1: Find f(2)</u>




Answer: Option C, 4
Answer:
subtract
a) 13/20
b) 1/2
c) 5/24
d) 7/18
e) 7/20
f) 3/40
Add or subtract
a) 4/9
b) 1/2
c) 11/20
d) 1/4
e) 19/12 <u>or </u>1 
f) 4/21
X+3y=7
x-3y=1
add them together
x+3y=7
<u>x-3y=1 +
</u>2x+0y=8
2x=8
divide 2
x=4
subsitute
x+3y=7
4+3y=7
subtract 4
3y=3
divid 3
y=1
x=4
y=1
answer is A
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im not sure
Step-by-step explanation:s