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zhannawk [14.2K]
3 years ago
15

When 54 is added to a number the result is the same as when the number is multiplied by 3. What is the number? Show working out.

Mathematics
2 answers:
egoroff_w [7]3 years ago
6 0
54 + x = x(3)
54 + x = 3x
2x = 54
x = 27
Simora [160]3 years ago
5 0
The number is 18.
54 divides by 3 is 18.
18 plus 54 is 72
18 Times 3 is 72
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(-3,20) (3,0) (18,20) (13,18) is it a function
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Answer: No

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4 0
3 years ago
HOW DO YOU FIND THIS AGAIN PLS HELP!
strojnjashka [21]
<h2>28 units²</h2><h2>____________________</h2>

<u>Step-by-step explanation:</u>

length = 8 units

breadth = 3.5 units

area = length × breadth

= 8 × 3.5

= 28 units²

<h2>____________________</h2><h2>FOLLOW ME</h2>
5 0
3 years ago
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Factor the expression completely by first taking out a common factor<br> 3x^2 + 27x +24
Mrac [35]
The answer to this is
3(x+1)(x+8)

4 0
3 years ago
3^x ( x^2 -3) i don't know how to solve this problem
geniusboy [140]
3ˣ (x² - 3)

Basically, just multiply everything together.

Step 1 : 3x × x² = 3x³ because when multiplying exponents, all you're really doing is adding them on top. So, x + 2x = 3x! But, they are exponents, so you get 3x³.

Step 2 : 3x ˣ × (-3) = -9ˣ

Now, our new question is : 3x³ - 9x

You wouldn't simplify this because x³ is NOT the same as x.

~Hope I helped!~
7 0
3 years ago
How 8/33 into a decimal
Tanzania [10]
To write 8/33 as a decimal you have to divide numerator by the denominator of the fraction. 
<span>We divide now 8 by 33 what we write down as 8/33 and we get 0.24242424242424 </span>

<span>And finally we have: </span>
8/33 as a decimal<span> equals </span><span>0.24242424242424</span>
5 0
3 years ago
Read 2 more answers
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