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Kitty [74]
3 years ago
12

42 = -7 ( Z - 3 ) Z =?

Mathematics
1 answer:
ipn [44]3 years ago
6 0

Answer:

-3

Step-by-step explanation:

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Which fraction is less then 1/3 or 1/5
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1/12

Step-by-step explanation:

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Answer:

96

Step-by-step explanation:

IT IS CONVENTIONAL to let the letter s symbolize the length of an arc, which is called arc length. We say in geometry that an arc "subtends" an angle θ; literally, "stretches under."

Now the circumference of a circle is an arc length.  And the ratio of the circumference to the diameter is the basis of radian measure.  That ratio is the definition of π.

π   =   C

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Since D = 2r, then

π = C

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C

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Thus the radian measure is based on ratios -- numbers -- that are actually found in the circle.  The radian measure is a real number that indicates the ratio of a curved line to a straight, of an arc to the radius. For, the ratio of s to r does determine a unique central angle θ.

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3 years ago
One of Julian's friends also has a rectangular aquarium. The dimensions of his friend's tank are each exactly 1 1/4 times the di
daser333 [38]

Answer:

468.75 square inches

Step-by-step explanation:

Let the length of Julian's tank be x

Let the width of Julian's tank be y

So, Area of Julian's tank=Length \times Width =xy

Since we are given that Julian's tank is approximately 300 square inches

So, xy=300  --1

Now we are given that  The dimensions of his friend's tank are each exactly1\frac{1}{4} =\frac{5}{4}times the dimensions of Julian's tank.

So,length of his friend's tank =\frac{5}{4}x

So,width of his friend's tank =\frac{5}{4}y

So, Area of his friend's tank=\frac{5}{4}x \times \frac{5}{4}y

                                             =\frac{25}{16}xy

                                             =\frac{25}{16}(300) (Using 1)

                                             =468.75

Hence the approximate area of the rectangular base of his friend's tank is 468.75 square inches.

So, Option D is correct.

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3 years ago
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