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sattari [20]
3 years ago
14

The difference of three times a number and 4 is -15

Mathematics
1 answer:
attashe74 [19]3 years ago
4 0

Answer:

Let the number be n.

3n - 4= -15

3n= -15+4

3n= -11

n= -11/3

n= -3.67 or n= -3 2/3

Step-by-step explanation:

Bring over 4 to the RHS of the equation and divide the RHS by 3.

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1+1÷6×(8x)6 pls answer pls pls
Brums [2.3K]

Answer:

i got 9

Step-by-step explanation:

3 0
3 years ago
your final balance on an investment of 270$ invested at 10% was $459.00, For what period of time did you invest?
harkovskaia [24]

Answer:

n= 5.57 years

Step-by-step explanation:

Giving the following information:

your final balance on an investment of 270$ invested at 10% was $459.00

<u>To calculate the time passed between values, we need to use the following formula:</u>

n= ln(FV/PV) / ln(1+i)

FV= 459

PV= 270

i= 0.1

n= ln(459/270) / ln (1.1)

n= 5.57 years

4 0
2 years ago
30,45,x,100; the mean is 60
Andrei [34K]

if there are 4 numbers that average to 60, when mutiplied they must come up to: 60*4= 240

100+30+45= 175

240-175= 65

PROOF:

100+30+45+65= 240

240÷ 4

= 60

6 0
3 years ago
Read 2 more answers
Solve for X <br><br> 3X+20=2X+24
andrew11 [14]
First subtract the 20 from both sides so it is 3x=2x+4 thens ubtract the 2 so x equals 4
4 0
3 years ago
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In which number does the 5 represent 5x 10,000?
lyudmila [28]
It would be 50,000, because 5*10,000=50,000.
6 0
2 years ago
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