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lara31 [8.8K]
2 years ago
5

The two cones are congruent. Determine the unknown measures of the cones. A = units B = units C = units D = units

Mathematics
2 answers:
Snowcat [4.5K]2 years ago
6 0

Answer:

A=3.1

B=4.2

C=5.2

D=42

Step-by-step explanation:

Was right on edge

Sophie [7]2 years ago
3 0

Answer:

3.1

4.2

5.2

42

Step-by-step explanation: Just copy the other cone and find half of the diameter to find the radius the cones are congruent.

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Jenna uses 18 inches of ribbon for each box she wraps. How many yards of ribbon does she needs to wrap 4 boxes?
eduard

Answer:

Jenna needs 2 yards of ribbon to wrap 4 boxes.

Step-by-step explanation:

First, we can find how many inches of ribbon she needs.

18*4=72

She needs 72 inches of ribbon for 4 yards.

There are 36 inches in a yard.

72/36=2

Jenna needs 2 yards of ribbon to wrap 4 boxes.

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3 years ago
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Answer:

x=30, and angle A equals 132°.

Step-by-step explanation:

Since the angles are alternate-interior, both angles A and B equal the same amount. To figure out the value of <em>x</em>, you'd need to set up your equation like this:

5x-18°=3x+42°

You would need to solve for <em>x</em>, which should equal to 30.

Once you get your <em>x</em>, you need to plug it in into the equation of angle A, which is 5x-18°:

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3 years ago
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In the complex plane, the rectangular coordinates (x, y) represent a complex number. Which statement explains why polar coordina
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Answer:

The correct option is;

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θ = tan⁻¹(y/x)

Step-by-step explanation:

The rectangular coordinate of a complex number on the complex plane is given as (x, y)

Given that the complex number is represented by a point on the plane, we have;

The distance, r, of the point from the origin, (0, 0) is r = √(x² + y²)

The direction, θ, by which we rotate to be in line with the point on the complex number is given by tan⁻¹(y/x)

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