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Assoli18 [71]
4 years ago
14

I need to know how to do this plz help

Mathematics
2 answers:
Lady bird [3.3K]4 years ago
6 0
First, you isolate b. To do this, you multiply (-2)b/2=-1(-2) and -2 and 2 will cancel each other out. Now you do the same thing to the other side (-2)b/2=-1(-2) and you get -2. Now you replace b with -2. If you solve it, (-2)/2, it will give you -1. Hope I didn't confuse you.
kakasveta [241]4 years ago
3 0
It will be easier to find out what b equals by just multiplying 2 and -1 equaling -2
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polet [3.4K]
<span>(1/2) to the second power means (1/2)^2. So we need to solve.</span><span>
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6 0
3 years ago
What is 5% increase of $40,000?
LuckyWell [14K]

Answer:

New value =

40,000 + Percentage increase =

40,000 + (5% × 40,000) =

40,000 + 5% × 40,000 =

(1 + 5%) × 40,000 =

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4,200,000 ÷ 100 =

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3 0
3 years ago
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TiliK225 [7]

Answer:

I love algebra anyways

The ans is x=3 steps is in the picture with the ans

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

4 0
3 years ago
Please help me do this​
Sever21 [200]

Answer:

Step-by-step explanation:

(3x + 1)/x = 1/(x -3)                Cross multiply

(3x + 1)(x - 3) = x                   Remove the brackets. Use FOIL

f:3x*x = 3x^2

o:3x*(-3) = -9x

i:1*x = x

L : 1 * - 3 = -3

FOIL: 3x^2 -9x +x - 3

FOIL: 3x^2 - 8x - 3

3x^2 - 8x - 3 = x                  Subtract x from both sides

3x^2 - 8x -x - 3 = 0             Combine

3x^2 - 9x - 3 = 0                 Factor

It's rather ugly. I had to use the quadratic equation

a = 3

b = - 9

c = - 3

x1 = 3.3

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7 0
3 years ago
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stira [4]

Answer:

Step-by-step explanation:

5 tables for 35 bucks.....unit cost is 35/5 = $ 7 bucks per table

30 chairs for 60 bucks...unit cost is 60/30 = $ 2 bucks per chair

5 0
3 years ago
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