MATHEMATICS HIGH SCHOOL

The volume of cylinder is 448 pie cm cube and height 7 cm find its radius

Answers

Answer 1

Answer:

Answer:

$r =\bf 8 \space\ cm$

Step-by-step explanation:

The formula for volume of a cylinder is as follows:

$\boxed{Volume = \pi r^2 h}$

where:

• r = radius (? cm)

• h = height (7 cm).

Substituting the values into the formula:
$448 \pi = \pi * r^2 * 7$

Now solve for $r$ :

⇒ $r^2 = (448 \pi )/(\pi * 7)$

⇒ $r = √(64)$

⇒ $r =\bf 8 \space\ cm$

Answer 2

Answer:

$\huge\mathbb{ \underline{SOLUTION :}}$

Given:

$\longrightarrow\bold{Volume= 449 \pi cm^3}$

$\longrightarrow\bold{Height= 7cm}$

$\longrightarrow\sf{V= \pi r^2 h}$

$\longrightarrow\sf{448 \pi= \pi r^2 \cdot 7}$

$\longrightarrow\sf{448=</p><p>7r^2}$

$\longrightarrow\sf{r^2= (448)/(7) }$

$\longrightarrow\sf{r^2=64}$

$\huge \mathbb{ \underline{ANSWER:}}$

$\longrightarrow\sf{r= 8cm}$

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HEKP PLEASE; what is movement competence ?1 when we move in safe manner
2 when we move with confidence
3 when our movement is effective
4 all the above

Answers

Answer:

I think its maybe 2 you might want to check tho

The speed of a body falling freely from rest in a vacuum varies directly with the length of the time it falls. If after 6 seconds, a body was falling 58.8 m/s, how fast was it falling 4 seconds later? (Round off your answer to the nearest meter per second.)

Answers

Answer:

The body is falling at 98 m/s after 4 seconds later.

Step-by-step explanation:

The magnitude of the speed of a body dropped from rest is:

$v = gt$

So, if the speed of a body dropped after 6 seconds is 58.8 m/s, after 4 seconds later is:

$v = gt = 9.81 m/s^(2)*(4s + 6s) = 98.1 m/s = 98 m/s$

Hence, the body is falling at 98 m/s after 4 seconds later.

I hope it helps you!

The women's department of a store stocks 4 types of black socks for every 5 types of white socks. The men's department stocks 6 types of black socks for every 7 types of white socks. If each department has the same number of black socks, which department stocks more types of white socks?

Answers

Answer:

The women's department of a store stocks have more types of white socks.

Step-by-step explanation:

Given:

The women's department of a store stocks 4 types of black socks for every 5 types of white socks.

Ratio of black socks to white socks = 4 : 5

The men's department stocks 6 types of black socks for every 7 types of white socks.

Ratio of black socks to white socks = 6 : 7

Each department has the same number of black socks.

Question asked:

Which department stocks more types of white socks?

Solution:

Let each department has 100 black socks.

For women's department

4 : 5 : : 100 : white socks

$(4)/(5) =(100)/(White\ socks) \n\n By \ cross \ multiplication\n \n 4* White\ socks=100*5\n 4White\ socks=500\nBy\ \ dividing\ both \ sides\ by\ 4\nWhite\ socks=125$

For men's department

6 : 7 : : 100 : white socks

$(6)/(7) =(100)/(White\ socks) \n\n By \ cross\ multiplication\n \n 6White\ socks=100*7\n6White\ socks=700\nWhite\ socks=About\ 117$

We found that out of 100 black socks the women's department of a store stocks have 125 white socks while the men's department stocks have about 117 white socks then by default understood that the women's department of a store stocks have more types of white socks.

Answer:

The women have more

Step-by-step explanation:

Suppose the point (2,4) is on the graph of f(x). Find a point of the function y=3f(x)

Answers

is it related to coordinates?

Q1
Q2
Q3
Q4
these ones or its something else

HELLPP WORTH 20 POINTS ✨

Answers

Answer:

it's radius is 9 and diameter is 18

Answer:

diameter=18cm

radius =diameter/2=18/2=9cm

What is the slope for the function y=2x^2+2 at the point x= 3?

Answers

1) We have to calculate the first derivative:
y=2x²+2
y´=4x

2) the slope at the point x=3; will be f´(3);
f´(3)=4(3)=12

answer: the slope will be 12.

Final answer:

The slope of the function y = 2x^2 + 2 at the point x = 3 is 12.

Explanation:

The slope of a function can be determined using the derivative of the function. In this case, the function is y = 2x^2 + 2. Taking the derivative of this function gives us dy/dx = 4x. To find the slope at x = 3, we substitute x = 3 into the derivative: dy/dx = 4(3) = 12.