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3 years ago

7

WHAT IS IXI ROMAN NUMERS IN FIGURES

1 answer:

Artyom0805 [142]3 years ago

8 0

I think it is the decimal number is 10 but not sure.

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Please can someone would help me with this:)

VMariaS [17]

The equation for the shadow length L.
Is L=0.72*h

Therefore at 123 feet the shadow length would be 88.56 feet

7 0

3 years ago

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A number is decreased by seven. Then, the new number is multiplied by 3 to get an answer of -9. What is the original number?

stellarik [79]

4-7= -3
-3x3= -9
answer is C

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3 years ago

Show that sec^2x+csc^2x/sec^2xcsc^2x

professor190 [17]

Answer:

$\frac{1}{csc^{2}(x)}+\frac{1}{sec^{2}(x)}$

Step-by-step explanation:

The image below shows step-by-step on how to solve it.

<em>Hope this helps! </em>:)

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3 years ago

Which equation represents a hyperbola with a center at (0,0), a vertex at (0,60), and a focus at (0,-65)

Leona [35]

Given that the hyperbola has a center at (0,0), and its vertices and foci are on y-axis. This, the equation of the hyperbola is of the form
x²/a²-y²/b²=-1 (a>0, b>0)
In the equation, vertices are (0, +/-b) .
Thus,
b=60
Foci (0,+/-√(a²+b²))
thus
√(a²+60²)=65
hence solving for a²
a²=65²-60²
a²=625
a²=25²
hence the equation is:
x²/25²-y²/60²=-1

7 0

3 years ago

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How many ones equal seven thousands

aleksklad [387]

7,000 ones is the answer

4 0

3 years ago

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