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Hoochie [10]
3 years ago
5

Dwayne wrote a two-digit number. He multiplied it by 3, added 18, and divided by 8. His final answer was 9. What number did Duwa

yne write?

Mathematics
1 answer:
Karolina [17]3 years ago
8 0
Question 1:
(x*3)+18/8=9    is the equation
(x*3)+18=72     multiply by 8
(x*3)=54           Subtract 18
x=18                 Divide by 3

The two digit number is 18

Question 2:
x*4=43             Divide by 4
x=10.75           10 3/4
10 3/4+3 3/4     Solve
14 1/2

Pablo is 14 1/2 years old
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Hope this really helps u have good day :)


4 0
3 years ago
What is the difference of the two expressions?
valkas [14]

<em>Answer is x + 12</em>

<em />

<h2>Explanation:</h2>

Hello! Recall that you have to write clear questions in order to get exact answers. So I'll help you assuming that the two expressions are the following:

First expression:

2x+9

Second expression:

x-3

So the operation we need to perform is:

2x+9-(x-3)

Recall some rules:

(+)\times (+)=+ \\ \\ (-)\times (-)=+ \\ \\ (-)\times (+)=- \\ \\ (+)\times (-)=-

Hence:

2x+9-(x-3)=2x+9-x+3 \\ \\ \\ Combine \ like \ terms: \\ \\ (2x-x)+(9+3) \\ \\ \boxed{x+12}

<h2>Learn more:</h2>

Simplify: brainly.com/question/1291365

#LearnWithBrainly

8 0
3 years ago
You pick a card at random, put it back, and then pick another card at random.
Colt1911 [192]

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Step-by-step explanation:

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