3 years ago

What is $2.30 divided by 27?

Mathematics

1 answer:

Firlakuza [10]3 years ago

4 0

Answer:33 cents

Step-by-step explanation:

its 0.328571429, but since its money, u can only go to the hundredths place, so u round up to 0.33

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Compare 4/7 and 6/7<br><br><br>ASAP

Ad libitum [116K]

Answer:

4/7<6/7

Step-by-step explanation:

0.57142857142 < 0.85714285714

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3 years ago

Quadrilateral OPQR is inscribed inside a circle as shown below. Write a proof showing that angles O and Q are supplementary

k0ka [10]

Hello,

very simple they intercept supplementary arcs. (making a sum of 360°/2 for inscribed angles )

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3 years ago

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:$\\\Rigghtarrow\dfrac{dV}{dt} = 3.14 \times 2.5\times 2 \times 40\times 12 \\\Rigghtarrow\dfrac{dV}{dt} = 7536\ km^3/sec$

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3 years ago

Find the equation of a line that is perpendicular to x+y=8 and passes through the point (8, 10).

ArbitrLikvidat [17]

Answer:

Y = -x + 2

Step-by-step explanation:

y = -x + 8

y = 1x + b

10 = 8 + b

b = 2

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dedylja [7]

Ella has 500 pennies.

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