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Juliette [100K]
3 years ago
15

Please help me I'm stuck on these.. Thanks​

Mathematics
1 answer:
ra1l [238]3 years ago
3 0

Answer:

Step-by-step explanation:

3(n+4)=1/2(6n+4)

We simplify the equation to the form, which is simple to understand

3(n+4)=1/2(6n+4)

Simplifying:

3*(n+4)=0.5*(6n+4)

Reorder the terms in parentheses

+(+3n+12)=0.5*(6n+4)

Remove unnecessary parentheses

+3n+12=0.5+*(+6n+4+)

Reorder the terms in parentheses

+3n+12=+(+3n+2)

Remove unnecessary parentheses

+3n+12=+3n+2

We move all terms containing n to the left and all other terms to the right.

+3n-3n=+2-12

We simplify left and right side of the equation.

n=-10

0=-10

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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Bill bought a shirt for $35.80 plus he paid an additional 7% in sales tax.
dezoksy [38]

Answer:

$2.50

Step-by-step explanation:

The cost for the shirt is 35.80

7%=0.07

35.80 x 0.07 = 2.50

Answer is $2.50

3 0
2 years ago
One number is 3 less than another number if their sum is 49
Musya8 [376]
One number is 26 the other is 23


x+y=49

Y=x+3,X (now substitute it in the equation)

x+3+x=49

2x+3=49

2x=46. X=23


Y=x+3. Y=23+3 =26 for checking 23+26=49
6 0
2 years ago
How to calculate 9.1 plus 2.53
dlinn [17]
9.10
+2.53
————
11.63
Just add the rows from the top to the bottom
6 0
2 years ago
Help me please I need help
zvonat [6]

Answer:

1-3.6

2-4.1

3-3.2

4-5.8

5-12.7

Step-by-step explanation:

7 0
2 years ago
PLEASE HELP!!! Does anyone know the answer to this?!? (Y^3z^4)^(-3/4)
Svetach [21]

Answer:

y^ ⁻⁹/⁴ * z^⁽⁻³⁾

Step-by-step explanation:

(Y^3 z^4)^(-3/4)   = (y^3)^(-3/4) * (z^4)^(-3/4)

         =  y^3* ⁽⁻³/⁴⁾   * z^4 *⁽⁻³/⁴⁾

           =y^ ⁻⁹/⁴ * z^⁽⁻³⁾

5 0
3 years ago
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