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2 years ago

6.7 times 10 to the 8th power

Mathematics

1 answer:

Minchanka [31]2 years ago

5 0

Answer:

670000000

Step-by-step explanation:

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An ice-making machine needs to be switched on

coldgirl [10]

Since the question explicitly stated that ice production is proportional to time, we're going to have to use proportion fractions. Remember to convert hours into minutes as well.

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2 years ago

To the nearest hundredth, how many cm are in 8 in? (1 in = 2.54 cm)

crimeas [40]

All you do is multiply 8 by 2.54, you get 20.32. Your answer is 20.32cm

7 0

2 years ago

Read 2 more answers

Question

rodikova [14]

Answer:

$Volume = 11488.21$

$Area = 2461.76$

Step-by-step explanation:

Given

$Radius, r = 14\ in$

Shape: Sphere

Solving (a): The Volume

This is calculated as:

$Volume = \frac{4}{3}\pi r^3$

Take $\pi$ as 3.14 and substitute 14 for r

$Volume = \frac{4}{3} * 3.14 * 14^3$

$Volume = \frac{4}{3} * 3.14 * 2744$

$Volume = \frac{4 * 3.14 * 2744}{3}$

$Volume = \frac{34464.64}{3}$

$Volume = 11488.21$

Solving (b): The Surface Area

This is calculated as follows:

$Area = 4\pi r^2$

Take $\pi$ as 3.14 and substitute 14 for r

$Area = 4 * 3.14 * 14^2$

$Area = 4 * 3.14 * 196$

$Area = 2461.76$

7 0

2 years ago

Find the lateral area and the surface area of the right cone. Round your nearest answers to the nearest hundredth

S_A_V [24]

Step-by-step explanation:

Given that,

The height of the cone, h = 24 cm

The radius of the cone, r = 10 cm

The slant height of the cone is :

$l=\sqrt{h^2+r^2} \\\\l=\sqrt{24^2+10^2} \\\\l=26\ cm$

The lateral area of the cone is given by :

$A=\pi rl\\\\=3.14\times 10\times 26\\\\=816.4\ cm^2\approx 816\ cm^2$

The surface area of the cone is given by :

$A=2\pi rh\\\\=2\times 3.14\times 10\times 24\\\\=1507.2 \approx 1507\ cm^2$

5 0

2 years ago

Find the equation of the line with a slope of 2/5 and containing the point (10,6).

Kipish [7]

Use the poin-slope form of the equation of a line:-

y - y1 = m(x - x1) (where m = slope and the point is (x1, y1))

Plugging in the given values:-

y - 6 = 2/5(x - 10)

multiplying through by 5:-

5y - 30 = 2(x - 10)

5y - 30 = 2x - 20

5y = 2x + 10

In standard form the equation is

2x - 5y = -10 (answer)

4 0

2 years ago