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Natalka [10]
2 years ago
10

Can anyone help please

Mathematics
1 answer:
Softa [21]2 years ago
4 0

Answer: -12

Step-by-step explanation:

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Which of the following have at least two congruent parallel bases? all that apply. A. Cylinder B. Circle C. Cone D. Cube E. None
Nookie1986 [14]

Answer:

Option A. Cylinder.

Option D. Cube

Step-by-step explanation:

In this question we have to tell that which are the figures have parallel bases.

Cylinder: Cylinder has two parallel congruent circular bases at the top and at the bottom.

Circle : It's a two dimensional structure and doesn't has any top or bottom.

Cone : It has only one circular bottom.

Pyramid : Pyramids have only one base circular or rectangular.

Cube : Cube is a three dimensional figure having minimum two congruent sides parallel to each other.

Therefore Option A. Cylinder  and Option D. Cube are the answers.

7 0
2 years ago
Read 2 more answers
In circle D, angle ADC measures (7x + 2)°. Arc AC
Akimi4 [234]

Answer:

The measure of angle ABC is 36° ⇒ 1st answer

Step-by-step explanation:

Let us revise some important facts in the circle

The measure of the center angle is equal to the measure of its subtended arc

The measure of the inscribed angle is equal to half the measure of the central angle subtended by the same arc

The vertex of a central angle is the center of the circle and its sides are radii in the circle

The vertex of an inscribed angle is a point on the circle, and its sides are chords in the circle

In circle D

∵ D is the center of the circle

∵ A and C lie on the circle

- DA and DC are radii

∴ ∠ADC is a central angle subtended by arc AC

∴ m∠ADC = m of arc AC

∵ m∠ADC = (7x + 2)°

∵ m of arc AC = (8x - 8)°

- Equate them to find x

∴ 8x - 8 = 7x + 2

- subtract 7x from both sides

∴ x - 8 = 2

- Add 8 to both sides

∴ x = 10

Substitute the value of x in the measure of ∠ADC

∵ m∠ADC = 7(10) + 2 = 70 + 2

∴ m∠ADC = 72°

∵ AB and BC are two chords in circle D

∴ ∠ABC is an inscribed angle subtended by arc AC

∵ ∠ADC is a central angle subtended by arc AC

- By using the 2nd fact above

∴ m∠ABC =  m∠ADC

∴ m∠ABC =  × 72

∴ m∠ABC = 36°

7 0
2 years ago
Please help me figure this out
katrin2010 [14]

Step-by-step explanation:

standard form is given by Ax × By = C

hence the answer would be

5x + 8y = 24

comment if you still have any doubts :)

3 0
1 year ago
Read 2 more answers
1.<br> |x+5|=3<br><br> How do I get this again?
Tatiana [17]
-2 because 3-5 = -2
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Which set represents the range of the function shown?<br> {(8, 2), (6, 5), (4, 7), (11, −2)}
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The second numbers in each of the ordered pairs is the range
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