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ollegr [7]
3 years ago
6

What is the surface area of a sphere with a radius of 10 feet? (Use 3.14 for π.)

Mathematics
2 answers:
vitfil [10]3 years ago
8 0

Answer:

hi

Step-by-step explanation:

7nadin3 [17]3 years ago
5 0

Step-by-step explanation:

A=4πr^2=4·π·10^2≈1256.63706ft²

Answer is 1256ft^2

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Answer:

Green

Step-by-step explanation:

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3 years ago
Another one <br>Topic: Law of Indices<br>Evaluate this;<br><br>(13⁰÷5)²​
Zarrin [17]

<u>Answer:</u>

<h2>1÷25</h2>

<u>Steps:</u>

(13⁰/5)²​

(1÷5)²

1²÷5²

1÷25

7 0
3 years ago
Which expression is equal to 7/12? PLease Help me i beg you
Naddik [55]
Its A. Hope this helps, message me for further questions.
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3 years ago
PLZ HELL FAST WILL GIVE BRAINLIEST
Sauron [17]

{3x}^{2}  - 5x =  - 8 \\  {3x}^{2}  - 5x + 8 = 0

This equation has the next form:

{ax}^{2}  + bx + c = 0

To find if the equation has two complex solutions we have to check if the discriminant is negative, as follows:

{b}^{2}  - 4ac \\ ( { - 5})^{2}  - 4 \: . \: 3 \: . \: 8 = 25 - 96 =  - 71 < 0

Then, the first case has two complex solutions.

In the second case,

{2x}^{2}  = 6x - 5 \\  {2x}^{2}  - 6x + 5 = 0

The discriminant in this case is:

( { - 6})^{2}  - 4 \: . \: 2 \: . \: 5 = 36 - 40 =  - 4 < 0

Then, the second case has two complex solutions.

In the third case,

12x =  {9x}^{2}  + 4 \\  { - 9x}^{2}  + 12x - 4 = 0

The discriminant in this case is:

{12}^{2}  - 4 \: . \: ( - 9) \: . \: ( - 4) = 144 - 144 = 0

Then, the third case has two real solutions.

In the fourth case,

{ - x}^{2}  - 10x = 34 \\  { - x}^{2} - 10x - 34 = 0

The discriminant in this case is:

( { - 10})^{2}  - 4 \: . \: ( - 1) \: . \: ( - 34) = 100 - 136 =  - 36 < 0

Then, the fourth case has two complex solutions.

7 0
2 years ago
Read 2 more answers
Can anyone help me do this equation?
lilavasa [31]

The solution to the given equation is x > 5.3

<h3>Solving linear inequality</h3>

Inequality are expression that are separated by an equal sign.

Given the inequality;

16(1/4 x - 1/2) > 24-  2x

Expand

4x - 8 > 24 -2x

Collect like terms

4x + 2x > 24 + 8

6x > 32

x > 32/6

x > 5.3

Hence the solution to the given equation is x > 5.3

Learn more on inequality here: brainly.com/question/24372553

#SPJ1

7 0
1 year ago
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