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Rom4ik [11]
2 years ago
6

Help me please i need help

Mathematics
2 answers:
mrs_skeptik [129]2 years ago
6 0

Answer:

the answer is number three

Kipish [7]2 years ago
4 0

Answer:

Number 3

Hope this helps!

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Find the slope of the line that passes through (10,3) and (3,12).
Gnoma [55]

Answer:

-9/7

Step-by-step explanation:

slope \: of \: line  \\  \\ =  \frac{12 - 3}{3 - 10}  \\  \\  =  \frac{9}{ - 7}  \\  \\  =   - \frac{9}{7}

5 0
3 years ago
A square is inscribed in a circle with an area of 10 pi square inches. what is the area of the square
Naddik [55]
We need to determine the radius and diameter of the circle.  If the area of the circle is 10 pi in^2, then, according to the formula for the area of a circle,

A = 10 pi in^2 = pi*r^2.  Thus, 10 in^2 = r^2, and r = radius of circle = sqrt(10) in.

Thus, the diam. of the circle is 2sqrt(10) in.  This diam. has the same length as does the hypotenuse of one of the triangles making up the square.

Thus, [ 2*sqrt(10) ]^2 = x^2 + x^2, where x represents the length of one side of the square.  So, 4(10) in^2 = 2x^2.  Then:
                                 40 in^2  = 2x^2, or 20 in^2 = x^2, and so the length x of one side of the square is sqrt(20).  The area of the square is the square of this result:

Area of the square = x^2 = [ sqrt(20) ]^2 = 20 in^2 (answer).  Compare that to the 10 pi sq in area of the circle (31.42 in^2).
8 0
3 years ago
Solve for x . <br> X+9 .. 2x-3 .
nadezda [96]
X + 9 = 2x - 3
<u>-x         -x        </u>
     9 = x - 3
<u>   +3       +3</u>
   12 = x
6 0
3 years ago
I am a french soldier who became a major ally to the Continental Army, and buddies with George Washington! Who am I
horsena [70]

Answer:Marquis Lafayette

Step-by-step explanation:

This shouldn't be in mathematics?

8 0
3 years ago
Solve:<br> 4 = k/7 <br> a. 24<br> b.11<br> c. 32<br> d. 28
Margarita [4]

Answer:

D. 28

Step-by-step explanation:

4 = \frac{k}{7} \\\\28 = k

8 0
3 years ago
Read 2 more answers
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