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BaLLatris [955]
3 years ago
6

This equation has one solution. 5(x-1) + 3x = 7x + 1) What is the solution? Help now

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
4 0

Answer:

x=6

Step-by-step explanation:

5(x-1) + 3x = 7x + 1

Distribute

5x -5 +3x = 7x+1

Combine like terms

8x -5 = 7x+1

Subtract 7x from each side

8x- 7x -5 = 7x-7x+1

x-5 =1

Add 5 to each side

x-5+5 = 1+5

x=6

BARSIC [14]3 years ago
3 0

Answer:

x=12

Step-by-step explanation:

5x - 5 + 3x = 7x + 7

8x - 5 = 7x + 7 ( subtract 7x from both sides )

x - 5 = 7 ( add 5 to both sides )

x = 12

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Classify the numbers as perfect squares and perfect cubes. To classify a number, drag it to the
Ratling [72]

Answer:

Pefect Squares but Not Perfect Cubes: 256, 361

Both Perfect Squares and Perfect Cubes: 1, 64

Perfect Cubes but Not Perfect Squares: 125

Step-by-step explanation:

256=16^2 ; 361=19^2

1=1^2=1^3 ; 64=8^2=4^3

125=5^3

96=6*16 (Not squares nor cubes)

200=2*100 (Not squares nor cubes)

333=37*9 (Not squares nor cubes)

7 0
4 years ago
Find the surface area of the present
Harman [31]

Answer:

1350 cm^2

Step-by-step explanation:

The formula for the surface area of a cube is: 6a^2, where <em>a</em> is the side length.

Now, you just have to solve the problem out:

6(15^2)

6(225)

1350 cm^2

8 0
3 years ago
Solve for x.<br><br> 2/3(x−7)=−2
zaharov [31]
2/3x - 14/3 = -2
3(2/3x - 14/3) = -2(3)
           2x - 14 = -6
                   2x = -6 + 14
                   2x = 8
                     x = 8/2
                     x= 4

hope this helps :)



5 0
4 years ago
Read 2 more answers
Carlos needs to build a fence for his chickens. The area he wants to build a fence around is 40 feet long and 20 feet wide. How
svp [43]

the answer is 140 calculate so umm yeah duh I mean 280 lets go baby!!!!

4 0
3 years ago
The probability of choosing an ace from cards is 4/52. What is the probability of not selecting an ace?
motikmotik

Answer:

48/52

Step-by-step explanation:

(total number of cards-4 ace cards)/52

4 0
3 years ago
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