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Nata [24]
3 years ago
5

A mistake was made in the steps shown to simplify the expression. Which step includes the mistake?

Mathematics
1 answer:
kolezko [41]3 years ago
6 0
Step 2 how did the 8 get there?
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A bowl contains 80 M&M candies. If 15 of the candies are orange, what fraction of the candies is not orange?
lesantik [10]
65 candies are not orange.
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3 years ago
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16. The weather report gives the temperature as 35 degrees Celsius. Find the
musickatia [10]

Answer:

F=95\°

Step-by-step explanation:

we know that

C=\frac{5}{9}(F\°-32)

In this problem we have

C=35\°

substitute the given value in the formula and solve for F

35\°=\frac{5}{9}(F\°-32)

F-32=\frac{9}{5}(35)

F=\frac{9}{5}(35)+32

F=95\°

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How do I factorise 42x-18
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6 (7x - 3) 

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If I buy a stereo for $245 and this includes GST of 10%, what is the pre-GST price?
Ivan

Answer:  $222.73

===========================================

Work Shown:

x = pre-GST price

10% of x = 0.10x = tax amount

x + 0.10x = 1.10x = post-GST price = 245

1.10x = 245

x = 245/1.10

x = 222.7272 approximately

x = 222.73 is the price before tax.

------------

Check:

10% of 222.73 = 0.10*222.73 = 22.273 = 22.27

The tax amount ($22.27) is added to the pre-GST price to get

22.27+222.73 = 245

which matches the post-GST price mentioned.

The answer is confirmed.

Or another way to confirm the answer is to calculate this

1.10*222.73 = 245.003 = 245

6 0
2 years ago
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The answer to: expand and simplify 3x + 2 (x +5)
BARSIC [14]
Expanded: 3x^2 + 17x +10
Simply: it’s already simplified
4 0
3 years ago
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