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Dahasolnce [82]
3 years ago
8

The sum of 9 and 4x is 1.

Mathematics
1 answer:
Vesnalui [34]3 years ago
5 0

The two numbers with the sum of 9 and difference of 1 is 5 and 4. Explanation: Let the two numbers be x and y.

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m a g i c  t h a t ' s  h o w

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The area is approximately __ square units,.<br><br> use 3.14 for pi
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757 units squared. Here is work:

7 0
2 years ago
3b+(-5)=(2b)³(-3)2+6=?​
Flauer [41]

Answer:

b=-1

Step-by-step explanation:

given.3b+(-5)=(2b)³(-3)2+6=?

3b-5=8b-6+6

3b-5=8b

-5=8b-3b

-5=5b

-5/5=5b/5

b=-1

-3-5=-8-6+6=?

-8=-8=-8

7 0
2 years ago
Simplify the expression
Grace [21]
(-5+8*i)+(-9+5*i) evaluates to <span>-14+13i</span>
6 0
3 years ago
Rolex buys computer disks at a price of 4 for $5 and sells them at a price of 3 for $5. How many computer disks must he sell to
Lina20 [59]

Given that Rolex buys computer disks at a price of 4 for $5 .

That means cost price of 1 disk = 5/4


Given that Rolex sells them at a price of 3 for $5.

That means selling price of 1 disk = 5/3


Profit on 1 disk = selling price - cost price

Profit on 1 disk = \frac{5}{3}-\frac{5}{4}

Profit on 1 disk = \frac{5}{3}\cdot\frac{4}{4}-\frac{5}{4}\cdot\frac{3}{3}

Profit on 1 disk = \frac{20}{12}-\frac{15}{12}

Profit on 1 disk = \frac{5}{12}

Now we have to find how many disk to be sold to get the profit $100

so we just divide $100 by profit on 1 disk

\frac{100}{\left(\frac{5}{12}\right)} = 100\cdot\frac{12}{5} = 240

Hence final answer is 240 disks.



3 0
2 years ago
Read 2 more answers
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