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AfilCa [17]
3 years ago
14

What is the mean of -36,-25,12,-3 and 18

Mathematics
1 answer:
skad [1K]3 years ago
6 0
I think the mean is -6.8
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If you have the circumference of a circle. How do you find the radius?
algol13

The formula for finding c...” No, you would divide it. The formula for finding circumference is 2 x pi x r, where r is the radius. 2 x r = d, where d is diameter.

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3 years ago
X2 – 3x + 10<br><br> What is the answer to this?
Tpy6a [65]

Answer:

-1x+10

Step-by-step explanation:

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3 years ago
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the width of a rectangle is the length minus 2 units. The area of the rectangle is48 units. What is the width, in units, of the
tatuchka [14]

Answer:

6

Step-by-step explanation:

put unknown as y

area of rectangle = width × long

y(y - 2)=48

y² -2y =48

u can use scientific calculator to find this

y²-2y-48=0

(y-8)(y+6)=0

y=8 y=-6

take the positive value and ignore the negative value

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I hope this help you :)

6 0
3 years ago
Which of the following is true about the system 4/3x−2/5y=2 and 3x−2y=−1?
lilavasa [31]

Equation 1 is \frac{4}{3}x -\frac{2}{5}y =2 ,

Equation 2 is [/tex] 3x-2y = -1 [/tex]

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\frac{4}{3} *15x -\frac{2}{5}*15 y =2*15

20x - 6y = 30

Now multiply second equation by -3 , to make the coefficient of y equal and opposite , so that we can apply the elimination method

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Add both the equations

20x -9x -6y +6y = 30+3

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Divide both sides by 11

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Plug in any one of the equation we get

3(3) -2y = -1

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subtract 9 from both sides

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divide both sides by -2

y=5

So the solution is x= 3 , y= 5

Which means

a. The system is consistent and independent. TRUE

7 0
4 years ago
Identify the 3D shape :)thank you
Mice21 [21]
<h3>Answer: Triangular prism</h3>

If you folded the figure up, you would have a prism where the parallel bases are right triangles. Each lateral face is a rectangle.

It might help to imagine a room where the floor and ceiling are triangles (they are identical or congruent triangles). Each wall of this room is one of the rectangles shown.

5 0
3 years ago
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