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SOVA2 [1]
3 years ago
9

3/8x - 1 = 5/8 solve for x​

Mathematics
1 answer:
Blababa [14]3 years ago
6 0

Answer: x = 13/3 or  x = 4.33333....

Solution: ⅜x -1 +1 = ⅝ + 1      

Simplify: ⅜x = 13/8

Multiply both sides by eight:  8 x ⅜x =  133 x 8 divided by 8

Simplify:  3x = 13

Divide both sides by three: 3x/3 = 13/3

Simplify:  x = 13/3

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A jar containing only nickels and dimes contains a total of 60 coins. The value of all the coins in the jar is $4.45. Solve by e
borishaifa [10]

Answer: 31 nickels and 29 dimes

<u>Step-by-step explanation:</u>

Nickels (.05): x

Dimes (.10): y


 Value:     .05x + .10y = 4.45 →  -20(.05x + .10y = 4.45)   →   -x - 2y = -89

Quantity:        x  +    y  = 60   →       1(x  +    y  = 60)           →   <u> x  + y </u> = <u> 60 </u>

                                                                                                       -y  = -29

                                                                                                        y  =  29

Next, substitute "29" for "y" into either equation and solve for "x":

x +  y  = 60

x + 29 = 60

x          = 31


5 0
3 years ago
8 sided die probability of rolling odd number
Elena L [17]

Answer: 4 I think . not sure

Step-by-step explanation:

6 0
2 years ago
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Saul earned $25 for painting his neighbor's fence. He spent $11 at the store and put the rest into his bank account.
PtichkaEL [24]
The answer is $14 Saul put into his bank accout
3 0
3 years ago
What is the solution to the following system?<br> -4y=8 <br> x+3y-3z=-26<br> 2x-5y+z=19
Viktor [21]
⓵
-4ỿ = 8

Simplify the left side in order to isolate the ỿ!

-4ỿ = 8
+4 +4

Ỿ = 12

⓶
× + 3y - 3z = -26

Simplify the left side in order to isolate the ×, ỿ and z!

× + 3y - 3z = -26
÷3 ÷3

× + ỿ - 3z = -8,66 periodic
÷-3 ÷-3

× + ỿ + z = 2,88 periodic

⓷
2× - 5ỿ + z = 19

Simplify the left side in order to isolate the ×, ỿ and z!

2× - 5ỿ + z = 19
÷2 ÷2

× - 5ỿ + z = 9,5
÷-5 ÷-5

× + ỿ + z = -1,9
3 0
3 years ago
Read 2 more answers
The ratio of boys to girls in a group is 3:1. If there are 28 more boys than girls, work out how many people there are in total.
puteri [66]

Answer:

84:56, I think?

3 x 28 for the boys then minus 28 for the girls

3 0
3 years ago
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