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slavikrds [6]
3 years ago
6

Rectangle A is 10 times as long as rectangle B.

Mathematics
2 answers:
Vitek1552 [10]3 years ago
8 0

Answer:

Option B and D

Step-by-step explanation:

Multiply 80 by 1/10

Divide 80 by 10

Brrunno [24]3 years ago
5 0

Answer: 80/10

E Correct

F Correct

Step-by-step explanation: Divide 80/10

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Alan has read 80​% of a book. He has 4 more pages to finish. How many pages are there in the​ book?
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3 0
3 years ago
Read 2 more answers
F (x) = cx + 3
algol13

<em>If f(1) = 1 that means c is -2 because when you substitute x = 1 and when c = -2, you'll get f(1) = -2(1)+3 = -2+3 = 1</em>

<em>So the constant c is -2 and that means the value of f(-4) is</em>

<em>f(-4)=-2(-4)+3=8+3=11</em>

<em />

<em>Thus, the value of f(-4) is 11.</em>

<em />

<em>About why does "c" have to be -2, here's the proof.</em>

 <em>Given y = f(x), therefore.</em>

<em>y=cx+3</em>

<em>Since when x = 1 and y = 1, then Substitute x = 1 and y = 1, thus 1 = c+3</em>

<em>1 - 3 = c and therefore, -2 = c #</em>

<em>So this is the proof that c = -2</em>

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3 years ago
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Subtract 5x to both sides
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How do i do this? and what’s the answer?
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