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olchik [2.2K]
3 years ago
5

Plz help me this is du in 15 min

Mathematics
1 answer:
MissTica3 years ago
3 0
------------------------------------------------------------
Find Radius
------------------------------------------------------------
Radius = Diameter ÷ 2
Radius = 64 ÷ 2
Radius = 32 inches

------------------------------------------------------------
Find area of the circle
------------------------------------------------------------
Area = πr²
Area = 3.14 x 32²
Area = 3215.36 in²

------------------------------------------------------------
Answer: Area = 3215.36 in²
------------------------------------------------------------
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HELP PLEASE ITS DUE IN 10 MIN Use algebraic strategies to solve for x.
mr Goodwill [35]

Answer:

x = 4, x ≠ -1

Step-by-step explanation:

√3x + 4 = x

(√3x + 4)² = x² (Square both sides to get rid of the radical.)

3x + 4 = x²

0 = x² - 3x - 4 (Set everything to 0 by moving everything to one side.)

0 = (x - 4)(x + 1) (Factor.)

x = 4   x = -1

Now we need to check for extraneous solutions:

√3(4) + 4 = 4

√12 + 4 = 4

√16 = 4

4 = 4

√3(-1) + 4 = -1

√-3 +4 = -1

√1 = -1

1 ≠ -1

-1 is an extraneous solution.

8 0
3 years ago
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Answer:

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7 0
2 years ago
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(5x2 + 4x + 3) - (2x2 - 2x + 5)
Setler [38]

Answer:

3x^2+6x-2

Step-by-step explanation:

(5x2 + 4x + 3) - (2x2 - 2x + 5)

5x^2+4x+3-2x^2+2x-5

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3 years ago
What is the slope of the line<br> represented by 5x – 7y = 9?
serg [7]

Answer:

5/7.

Step-by-step explanation:

Convert to slope-intercept form:

5x – 7y = 9

Subtract 5x from both sides:

-7y = -5x + 9

Divide through by -7:

y = (-5/-7) x + -9/7

y = 5/7 x - 9/7

The slope is 5/7.

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2 years ago
In which set do all of the values make the inequality 2x-1 &lt;10 true?
Andrews [41]
Anything in the negatives like -2*2=-4-1 = -5

Or positive values up to 5

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4 0
3 years ago
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