3 years ago

If two circles have the same circumference what do you know about their area

1 answer:

8 0

If the circumference is half of the perimeter than the area for both circles would be half of them find one circles area and half it

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drek231 [11]

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3 years ago

Convert 7,200 in scientific notation

Nitella [24]

Answer:

7.2*10^3.

7,200 in scientific notation, is 7.2*10^3

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3 years ago

What is the sum -1 1/5 + (-3/5)

son4ous [18]

Answer:

-14/5

Step-by-step explanation:

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3 years ago

Use the dot product to determine whether the vectors are parallel, orthogonal, or neither. v = (sqrt)2j, w = 4i

svetoff [14.1K]

Hello,

As $\vec{i}*\vec{j}=0\\
\vec{v}*\vec{w}=\sqrt{2}*\vec{i}*4*\vec{j}=4*\sqrt{2}*0=0$
Vectors are orthogonal.

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3 years ago

Read 2 more answers

Find the value of x which ABCD must be a parallellogram?<br> x =

Serggg [28]

$If\ ABCD\ is\ parallelogram,\ then:\\\\25x+1=7x+37\ \ \ |subtract\ 1\ from\ both\ sides\\\\25x=7x+36\ \ \ \ |subtract\ 7x\ from\ both\ sides\\\\18x=36\ \ \ \ |divide\ both\ sides\ by\ 18\\\\\boxed{x=2}$

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3 years ago