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Triss [41]
2 years ago
8

PLEASE ANSWER I NEED HELP!!..

Mathematics
1 answer:
nikitadnepr [17]2 years ago
5 0
Please don't post masses of questions all at once.  1-2 problems per post would be more realistic and fairer to others who need help.

Regarding   <span>x-2/5 = 1/5

We are to solve for x.   To do this, let's remove the fractions by mult. all 3 terms by 5.  Then 5x - 2 = 1, or 5x = 3.

Dividing both sides by x, we get x = 3/5 (answer).  Check this by subst. 3/5 into the original equation.</span>
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A stockbroker has money in three accounts. The interest rates on the three accounts are 7%, 8%, 9%. If she has twice as much mon
Sveta_85 [38]

Answer:

x=amount invested at 7%

2x=amount invested at 8%

3x=amount invested at 9%

interest=principal*rate*time (time=1 year)

$150=0.07x+0.08*2x+0.09*3x

$150=0.07x+0.16x+0.27x

$150=0.50x

$1500=5x

x=$300 invested at 7%

2x=$600 invested at 8%

3x=$900 invested at 9%

Step-by-step explanation:

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2 years ago
Which statements best describe displacement? Check all that apply.
natima [27]
I think it’s how far an object travels from starting point to ending point.
7 0
2 years ago
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Use addition properties and strategies to find the sum..1.)34+62+51+46=? 2.)27+68+43=? 3.)42+36+18=? 4.)74+35+16+45=?
erica [24]
1.
34 + 62 = 96 + 51 = 147
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2.
27 + 68 = 95 + 43 = 138
3.
42 + 36 = 78 + 18 = 96
4.
74 + 35 = 109 + 16 = 125 + 45  =
= 70
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The price of an item is reduced 70% the original price $90 what is the price now?
uranmaximum [27]
90 - (90 × .7) = $27

hope this helps
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What is the first quartile, Q1, of the data set?
Kryger [21]
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