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3 years ago

K divided by 11 is seven

Mathematics

1 answer:

Softa [21]3 years ago

6 0

Step-by-step explanation:

The Mathematical transformation of given word problem can be given as:

$k \div 7 = 11 \\ \\ or \: \\ \\ \frac{k}{7} = 11$

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A cone with a height of 4 in, and a diameter of 6 in. Find the surface area and Volume

Vitek1552 [10]

if its diameter is 6, then its radius is half that or 3.

$\textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h }{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=3\\ h=4 \end{cases}\implies V=\cfrac{\pi (3)^2(4)}{3}\implies V=12\pi \\\\[-0.35em] ~\dotfill\\\\ \textit{surface area of a cone}\\\\ SA=\pi r\sqrt{r^2+h^2}+\pi r^2\qquad \implies \qquad SA=\pi (3)\sqrt{3^2+4^2}+\pi (3)^2 \\\\\\ 3\pi \sqrt{25}+9\pi \implies 3\pi (5)+9\pi \implies 15\pi +9\pi \implies 24\pi$

8 0

2 years ago

Ron can make 12 benches in 6 days. At that<br> rate, how many benches can he make in<br> 30 days?

Alchen [17]

Answer:

Step-by-step explanation:

ratio: 12/6 =1/2 x/30=1/2 x=60

6 0

3 years ago

SELECT TWO reasonable first steps for solving the equation 2(4x-11)=10.

Ann [662]

Answer:

A and G I guess

Step-by-step explanation:

Hope I helped

6 0

2 years ago

5 grams of chucknorrisidium created, decays at a half-life of 16,000,000 Need 1 gram for experiments. How long before the is 1 g

devlian [24]

Answer:

the time taken for the element to remain 1 gram is 38,400,000 unit.

Step-by-step explanation:

Given;

initial mass, m = 5 g

half life, t = 16,000,000 unit

The time taken for the element to remain 1 gram is calculated as;

mass remaining time

5 g 0

2.5 g 16,000,000

1.25 g 32,000,000

0.625 g 48,000,000

Interpolate to obtain the time at 1 gram;

1.25 g ---------------------------------- 32,000,000

1 g --------------------------------------------- x

0.625 g --------------------------------------- 48,000,000

$\frac{1.25 - 1}{1.25 - 0.625} = \frac{32,000,000 - x}{32,000,000 - 48,000,000} \\\\\frac{0.25}{0.625} = \frac{32,000,000 - x}{-16,000,000} \\\\-4,000,000= 20,000,000 - 0.625x\\\\0.625x = 20,000,000 + 4,000,000\\\\0.625x = 24,000,000\\\\x = \frac{24,000,000}{0.625} \\\\x = 38,400,000$

Therefore, the time taken for the element to remain 1 gram is 38,400,000 unit.

8 0

2 years ago

Could someone help me out with this plss

Brrunno [24]

Answer:

nodda

Step-by-step explanation:

3 0

3 years ago