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Gala2k [10]
2 years ago
14

Giving Brainliest and points if you help me answer this question correctly! Describe the shape that is formed by the cross secti

on:
A. an ellipse parallel to the base

B. an ellipse that is perpendicular to the base

C. a circle parallel to the base

D. a circle perpendicular to the base

Mathematics
1 answer:
IrinaK [193]2 years ago
5 0
The answer I believe is
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2 A and B please with explanation! BIG POINTS please explain
dedylja [7]

Answer:

see explanation

Step-by-step explanation:

Using the ratio equality for circles

\frac{arc}{C} = \frac{angleatcentre}{360}

(a)

Note the angle at the centre of the shaded arc is 360° - 90° = 270°, thus

\frac{45}{C} = \frac{270}{360} = \frac{3}{4} ( cross- multiply )

3C = 180 ( divide both sides by 3 )

C = 60 mm

(b)

Note the angle at the centre of the shaded arc is 360° - 135° = 225°, thus

\frac{3.3}{C} = \frac{225}{360} ( cross- multiply )

225C = 1188 ( divide both sides by 225 )

C = 5.28 cm

8 0
3 years ago
A . it is increasing and linear
Paha777 [63]

Answer:

The answer is B.

Step-by-step explanation:

From the interval -6 < x < 0, the line is straight which is linear equation. The line shows its going down so it will be decreasing gradient.

8 0
2 years ago
Can someone help me with this math homework please!
Cerrena [4.2K]

Therefore, f(c) = 3c+5

OPTION B is the correct answer

5 0
3 years ago
Read 2 more answers
The equation __ describes the relationship
vivado [14]

Answer:

y= 1/3x

Step-by-step explanation:

points on the graph

(0,0), (3,1)

function as per above two points:

y= 1/3x

5 0
3 years ago
Find the perimeter of the triangle. Recall that the perimeter of a figure is the distance around a figure.
Svet_ta [14]

Answer:

1 inch

Step-by-step explanation:

The perimeter is the sum of the lengths of the sides:

Perimeter = 3/23 + 9/23 + 11/23 = (3 + 9 + 11)/23 = 23/23 = 1

8 0
2 years ago
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