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Oksana_A [137]
3 years ago
14

A= (-3a) + 4 help me plz solve

Mathematics
2 answers:
VashaNatasha [74]3 years ago
4 0
A=1 is the answer :)
jek_recluse [69]3 years ago
3 0

Answer:a=2

Step-by-step explanation:

Simplifying

a = 3a + -4

Reorder the terms:

a = -4 + 3a

Solving

a = -4 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.

a + -3a = -4 + 3a + -3a

Combine like terms: a + -3a = -2a

-2a = -4 + 3a + -3a

Combine like terms: 3a + -3a = 0

-2a = -4 + 0

-2a = -4

Divide each side by '-2'.

a = 2

Simplifying

a = 2

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Pls help for this question! no wrong answers pls
ankoles [38]

Answer:

41.29 cm²

Step-by-step explanation:

From the question,

Area of the shaded portion = Area of the circle - area of the square.

A' = πr²-L²...… Equation 1

Where A' = Area of the shade portion, r = radius of the circle, L = length of the square, π = pie

Given: r = 4 cm, L = 3 cm

Constant: π = 22/7.

Substitute these values into equation 1

A' = [(22/7)×4²]-3²

A' = 50.29-9

A' = 41.29 cm²

Hence the area of the shaded portion is 41.29 cm²

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3 years ago
What is the surface area of a cube if each edge has length 3.5 ft? Show your work.
KATRIN_1 [288]
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6 0
3 years ago
Please help me please I feel like crying cause I can't do it...
Mila [183]

Answer:

1. 39

2. 15

3.329

4. 16

5. 300

Step-by-step explanation:

Just divide the first two numbers and then multiply the quotient by the last number. You'll be ok, you've got this, keep your head up!

1. 52/4 = 13 and 13 x 3 = 39

2. 45/9 = 5 and 5 x 3 = 15

3. 470/10 = 47 and 47 x 7 = 329

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5. 125/2.5 = 50 and 50 x 6 = 300

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3 years ago
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