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Gnesinka [82]
2 years ago
5

Doug says that this clock shows 8:43.is he correct? Explain why or why not.

Mathematics
2 answers:
ss7ja [257]2 years ago
5 0
Is this a joke because it made me laugh
katen-ka-za [31]2 years ago
5 0
It looks more like 8:42. The small hand would have to be one more tick closer to the 9 to be at 8:43.
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Using the following equation, find the center and radius of the circle. You must show all work and calculations to receive credi
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The equation of the circle: (x-a)^2+(y-b)^2=r^2

where:
(a; b) - coordinates of the center
r - a radius

Use: (a\pm b)^2=a^2\pm2ab+b^2\ \ \ \ (*)

We have:

x^2-4x+y^2+8y=-4\\\\x^2-2x\cdot2+y^2+2y\cdot4=-4\ \ \ |add\ 2^2\ and\ 4^2\ to\ both\ sides\\\\\underbrace{x^2-2x\cdot2+2^2}_{(*)}+\underbrace{y^2+2y\cdot4+4^2}_{(*)}=-4+2^2+4^2\\\\(x-2)^2+(y+4)^2=-4+4+16\\\\(x+2)^2+(y-4)^2=16\\\\(x+2)^2+(y-4)^2=4^2

Answer:
The center: (-2; 4)
The radius: r = 4
7 0
3 years ago
Read 2 more answers
A rectangle has a perimeter of 48 yards and a height of 17 yeards. What is the length of the base?
Volgvan

Answer:

i think it's 7

Step-by-step explanation:

perimeter is l+l+w+w

so 17+17=34

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3 0
2 years ago
PLEASE HELP ASAP) Find the area of this parallelogram
Maurinko [17]
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6 0
3 years ago
How much 74.3 - 18.26​
Oksanka [162]

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3 years ago
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soldier1979 [14.2K]
So.. 2.86 - 2.79 is the amount in decrease or 0.07

so.. if we take 2.86 as the 100%, how much is 0.07 of that in percentage?

well \bf \begin{array}{ccllll}
amount&\%\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
2.86&100\\
0.07&x
\end{array}\implies \cfrac{2.86}{0.07}=\cfrac{100}{x}

solve for "x"
3 0
2 years ago
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