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Angelina_Jolie [31]
3 years ago
7

Evaluate 2-(-4)+(-y) where y = 7

Mathematics
2 answers:
Levart [38]3 years ago
7 0
2+4=6
6+-7=-1
Your answer would be negative 1 or -1
joja [24]3 years ago
5 0

Answer:

-1

Step-by-step explanation:

It’s just simple don’t worry just look I won’t make you need the explanation god bless :)

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1.9996 by 2 significant numbers
Svetradugi [14.3K]
1.9 or rounding with 2.0
8 0
3 years ago
Mr. Smith received a phone call from the bank manager. His bank balance had dropped to - $15 (he had overdrawn his account by $1
Pani-rosa [81]

Answer:

$10

Step-by-step explanation:

(-15) + 25 = 10

6 0
3 years ago
Read 2 more answers
Please I need the answer​
Vedmedyk [2.9K]

Answer:

x=4

Step-by-step explanation:

Simplifying

2(6x + 4) + -6 + 2x = 3(4x + 3) + 1

Reorder the terms:

2(4 + 6x) + -6 + 2x = 3(4x + 3) + 1

(4 * 2 + 6x * 2) + -6 + 2x = 3(4x + 3) + 1

(8 + 12x) + -6 + 2x = 3(4x + 3) + 1

Reorder the terms:

8 + -6 + 12x + 2x = 3(4x + 3) + 1

Combine like terms: 8 + -6 = 2

2 + 12x + 2x = 3(4x + 3) + 1

Combine like terms: 12x + 2x = 14x

2 + 14x = 3(4x + 3) + 1

Reorder the terms:

2 + 14x = 3(3 + 4x) + 1

2 + 14x = (3 * 3 + 4x * 3) + 1

2 + 14x = (9 + 12x) + 1

Reorder the terms:

2 + 14x = 9 + 1 + 12x

Combine like terms: 9 + 1 = 10

2 + 14x = 10 + 12x

Solving

2 + 14x = 10 + 12x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-12x' to each side of the equation.

2 + 14x + -12x = 10 + 12x + -12x

Combine like terms: 14x + -12x = 2x

2 + 2x = 10 + 12x + -12x

Combine like terms: 12x + -12x = 0

2 + 2x = 10 + 0

2 + 2x = 10

Add '-2' to each side of the equation.

2 + -2 + 2x = 10 + -2

Combine like terms: 2 + -2 = 0

0 + 2x = 10 + -2

2x = 10 + -2

Combine like terms: 10 + -2 = 8

2x = 8

Divide each side by '2'.

x = 4

Simplifying

x = 4

Hope it helps!

7 0
3 years ago
Read 2 more answers
The radius of a 10 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.1 inch. What is the
lidiya [134]

Answer:

25.13274125 in³


Step-by-step explanation:

The radius = 4 ± 0.1

height = 10

Volume of a cylinder = πr²h

Actual volume of the cylinder = π × 4² × 10

                                                  = 502.6548246

Maximum volume = π × 4.1² × 10

                              = 528.1017251

Minimum volume = π × 3.9² × 10

                              = 477.8362426

Average error = (528.1017251 - 477.8362426)/2

                        = 50.2654825/2

                       = 25.13274125 in³

The units are inches cubed.

3 0
3 years ago
first 33.25 was divided by some number. the resulting quotient was then multiplied by 7. following this 5.9 was subtracted
dimaraw [331]
(33.25/x)*7-5.9. ....
6 0
3 years ago
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