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natta225 [31]
3 years ago
6

How to find the surface area of it

Mathematics
1 answer:
larisa [96]3 years ago
3 0
6m times 8m=48m times 6m=288m times 10m equals 2,880
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(x – 2)^2 + 20 = 0
seraphim [82]

Answer:

x = 2  ± 2 sqrt(5)i

Step-by-step explanation:

(x – 2)^2 + 20 = 0

Subtract 20 from each side

(x – 2)^2 + 20 -20=0 -20

(x – 2)^2 =- 20

Take the square root of each side

sqrt((x – 2)^2) =±sqrt(- 20)

x-2  = ±sqrt(- 20)

We know sqrt(ab) = sqrt(a) sqrt(b)

x-2  = ±sqrt(- 1) sqrt(20)

We know the sqrt (-1) = i

x-2  = ±i sqrt(4*5)

x-2 = ±i sqrt(4) sqrt(5)

Add 2 to each side

x-2+2 = 2 ±i sqrt(4) sqrt(5)

x = 2 ±i 2 sqrt(5)

x = 2  ± 2 sqrt(5)i

7 0
3 years ago
(Image: Start Fraction x over 4 End Fraction) + 2 = –2
irina1246 [14]

If the linear equation with one variable is x / 4 + 2 = –2. Then the value of x will be negative 16.

<h3>What is simplification?</h3>

Making anything easier to accomplish or comprehend, as well as making it less difficult, is the definition of simplification.

The equation is given below.

x / 4 + 2 = –2

Solving for x, we have

x / 4 + 2 = –2

     x / 4 = – 2 – 2

     x / 4 = – 4

          x = – 4 × 4

          x = – 16

More about the simplification link is given below.

brainly.com/question/12616840

#SPJ1

5 0
2 years ago
A bank sends its customers an email when their accounts fall below —$1. Which inequality models this situation?
Semenov [28]

Answer:

a bank sends its customers an email iff a<1

Step-by-step explanation:

Let a=account

So, a<1

Therefore, a bank sends its customers an email iff a<1

6 0
3 years ago
What is the domain of g?
sattari [20]

Answer:

{ x | -7 ≤ x ≤ 4 }

Step-by-step explanation:

8 0
3 years ago
What is the square root of 12 plus the square root of 27?
marysya [2.9K]
93 hope that helped u :)
4 0
3 years ago
Read 2 more answers
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