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muminat
2 years ago
10

Please help i don't understand! please i need this

Mathematics
1 answer:
OLga [1]2 years ago
5 0
Hope this helps you out.

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A ball bearing is shaped like a sphere and has a diameter of 2.5 centimetres. What is the volume contained inside the ball beari
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To solve:

The diameter is already given (2.5), and it can be divided by 2 to find the radius.

2.5/2=1.25

Plug 1.25 and Pi into the equation for a sphere to find the volume:

(4/3)(1.25^3)(3.14)=8.177

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The midpoint of AB is M(-1, –4). If the coordinates of A are (-3, -7), what are
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Answer:

<h3>            B(1, -1)</h3>

Step-by-step explanation:

If M(-1, 4) is midpoint of AB then:

x_M-x_A=x_B - x_M\qquad\quad\ \wedge\qquad y_M-y_A=y_B - y_M\\\\ -1-(-3)=x_B-(-1)\qquad\wedge\qquad -4-(-7)=y_B -(-4)\\\\ -1+3=x_B+1\qquad\qquad\wedge\qquad\ \ -4+7=y_B+4 \\\\ {}\qquad x_B=1\qquad\qquad\wedge\qquad\qquad \ y_B=-1

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3 years ago
(x²–x–6) ÷ (x⁴–ax³–9x²+bx–6)<br><br>I need an answer quickly!!!!​
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Answer:

i really do not know the answer but their is this website called mth ways and it  and they give you the answer like in 2 seconds that is what i do

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The temperature inside the lab refrigerator is less than 40
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