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earnstyle [38]
3 years ago
11

Find the value of p. p − 1 = 5 p + 3p − 8

Mathematics
2 answers:
Nookie1986 [14]3 years ago
7 0

Answer:

p = 1

Step-by-step explanation:

[add like terms]

p - 1 = 8 p - 8

[add 8 to both sides]

p + 7 = 8 p

[subtract p from both sides]

7 = 7 p

[divide each side by 7]

p = 1

Ostrovityanka [42]3 years ago
6 0

Answer:

P=1

Step-by-step explanation:

collecting like terms we have

p - 5p - 3p = -8 + 1

-7p = -7

divide both sides by -7

p = 1

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Captain Sparrow and his pirate crew dug up several gold coins. They are dividing the coins amongst themselves so that each perso
Dahasolnce [82]

Answer: 150 coins

Step-by-step explanation: let the number of captain Sparrow and the crew = c

The number of gold = g

This mean each person will get g/c

If there were four fewer pirates, then each person would get 10 more coins means

g/(c - 4) = g/ c+ 10

cg = (c-4)(g+10c) ....... (1)

However, if there were 50 fewer coins, then each person would get 5 fewer coins.

(g - 50)/c = g/c - 5

g - 50 = g - 5c

5c = 50

c = 10

Substitute c in equation 1

cg = (c-4)(g+10c) ....... (1)

10g = (10 - 4)(g + 10×10)

10g = 6× (g + 100)

10g = 6g + 600

4g = 600

g = 150 gold coin.

Therefore they dig up 150 gold coin

5 0
3 years ago
The sides of a square are 12 feet long. Find the new side<br> length after it is increased by 40%.
djyliett [7]

Answer:

16.80 ft long

Step-by-step explanation:

8 0
2 years ago
Given the system of equations:
uranmaximum [27]

Answer:

x=4

y=2

Step-by-step explanation:

2x+2y=12

x−y=2

​In order to solve by elimination, coefficients of one of the variables must be the same in both equations so that the variable will cancel out when one equation is subtracted from the other.

2x+2y=12,x−y=2

To make 2x and x equal, multiply all terms on each side of the first equation by 1 and all terms on each side of the second by 2.

2x+2y=12,2x+2(−1)y=2×2

Simplify.

2x+2y=12,2x−2y=4

Subtract 2x−2y=4 from 2x+2y=12 by subtracting like terms on each side of the equal sign.

2x−2x+2y+2y=12−4

Add 2x to −2x. Terms 2x and −2x cancel out, leaving an equation with only one variable that can be solved.

2y+2y=12−4

Add 2y to 2y.

4y=12−4

Add 12 to −4.

4y=8

Divide both sides by 4.

y=2

Substitute 2 for y in x−y=2. Because the resulting equation contains only one variable, you can solve for x directly.

x−2=2

Add 2 to both sides of the equation.

x=4

The system is now solved.

x=4,y=2

Correct choice is B) x=4.

8 0
2 years ago
Read 2 more answers
What is the value of the expression 8 cubed?
Ierofanga [76]

Answer:

512

Step-by-step explanation:

8*8*8

64*8

512

5 0
3 years ago
Read 2 more answers
142 x 12 in algorithm standard<br> and in area model
Katen [24]

Answer:

0333

Step-by-step explanation:

00

000

0000

1112222

______

11122222 ans

4 0
3 years ago
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