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2 years ago

Which quadrilateral has four right angles and four sides of equal length?

Mathematics

2 answers:

olasank [31]2 years ago

8 0

Answer:

Square.

Step-by-step explanation:

A square is a rectangle, but a rectangle is not a square.

Levart [38]2 years ago

7 0

Answer:

A square

Step-by-step explanation:

The file below can help you out understand the properties of the square better!

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The radius of the base of a cylinder is decreasing at a rate of 121212 kilometers per second. The height of the cylinder is fixe

WARRIOR [948]

Answer:

7536 $km^3/sec$

Step-by-step explanation:

Given that:

Rate of decreasing of radius = 12 km/sec

Height of cylinder is fixed at = 2.5 km

Radius of cylinder = 40 km

To find:

The rate of change of Volume of the cylinder?

Solution:

First of all, let us have a look at the formula for volume of a cylinder.

$Volume = \pi r^2h$

Where $r$ is the radius and

$h$ is the height of cylinder.

As per question statement:

$r$ = 40 km (variable)

$h$ = 2.5 (constant)

$\dfrac{dV}{dt} = \dfrac{d}{dt}\pi r^2h$

As $\pi, h$ are constant:

$\dfrac{dV}{dt} = \pi h\dfrac{d}{dt} r^2\\\Rightarrow \dfrac{dV}{dt} = \pi h\times 2 r\dfrac{dr}{dt} \\$Putting the values:$\\\Rigghtarrow\dfrac{dV}{dt} = 3.14 \times 2.5\times 2 \times 40\times 12 \\\Rigghtarrow\dfrac{dV}{dt} = 7536\ km^3/sec$

4 0

2 years ago

Factor the expression 1.5x+6

swat32

There is no way to factor this so i would assume the answer is no solution.

7 0

3 years ago

Evaluate the expression: 2x + 7 - 3x, when x = 2

Galina-37 [17]

2(2)+7-3(2)=
4+7-6= 5
your answer is 5

4 0

2 years ago

Read 2 more answers

If 10 miles is about 16 kilometers and the distance between two towns is 45 miles ,use a ratio table to find the distance betwee

diamong [38]

10m : 16 km
x 4.5
45m : 72km.

8 0

3 years ago

Read 2 more answers

Please help me step by step thanks

Gemiola [76]

Left:
180-53 = (8x-9)
127+9 = 8x
136 = 8x
x = 17
Right:
(15x+29) = (26x-4)
29+4 = 26x-15x
33 = 11x
x = 3

7 0

3 years ago