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3 years ago

13

Sita and rita make remarks on question 4a b c sita says she can only make one equation which satisfies the given cindition rita

says she can make infinite no. Of equations which satisfies the given conditions whom do u agree with justify your answer

1 answer:

Otrada [13]3 years ago

3 0

Answer: I agree with Sita.

Step-by-step explanation:

An infinite number is a very big number which is impossible to physically achieve. I agree with Sita because when Rita is forming equations on and on to an extent of not knowing when to stop. That is when she can say to infinite. And I don't think this is possible.

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Dima020 [189]

I’m sorry but I have no clue.

8 0

4 years ago

The four-member math team at Pecanridge Middle School is chosen from the math club, which has three girls and five boys. How man

cestrela7 [59]

Answer:

$Total\ Selection = 30\ ways$

Step-by-step explanation:

Given

Girls = 3

Boys = 5

Required

How many ways can 2 boys and girls be chosen?

The keyword in the question is chosen;

This implies combination and will be calculated as thus;

$Selection =\ ^nC_r = \frac{n!}{(n-r)!r!}$

For Boys;

n = 5 and r = 2

$Selection =\ ^5C_2$

$Selection = \frac{5!}{(5-2)!2!}$

$Selection = \frac{5!}{3!2!}$

$Selection = \frac{5 * 4 * 3!}{3!*2 * 1}$

$Selection = \frac{20}{2}$

$Selection = 10$

For Girls;

n = 3 and r = 2

$Selection =\ ^3C_2$

$Selection = \frac{3!}{(3-2)!2!}$

$Selection = \frac{3!}{1!2!}$

$Selection = \frac{3 * 2!}{1 *2!}$

$Selection = \frac{3}{1}$

$Selection = 3$

Total Selection is calculated as thus;

$Total\ Selection = Boys\ Selection * Girls\ Selection$

$Total\ Selection = 10 * 3$

$Total\ Selection = 30\ ways$

5 0

4 years ago

Express the angle in radian measure. 200°

Andrew [12]

Pi radians = 180 degrees
$\frac{200}{180}\times\pi=3.491\ radians=200\ degrees$
The answer is: 3.491 radians to 3 dp.

7 0

3 years ago

Read 2 more answers

1. Find the volume for 5 different spheres by randomly choosing different radii.

Sophie [7]

The volume of the sphere is given by :

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

And volume of cylinder is given as :

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

So, as given to select the radius randomly and the height of the cylinder will be the diameter of the sphere.

The radius are = 3, 5, 8, 10, 12

And height will be = 6, 10, 16, 20, 24

1. Volume of sphere with radius 3 = $\frac{4}{3}*3.14*3*3*3= 113.04$ units

Volume of cylinder with radius 3 and height 6 = $3.14*3*3*6=169.56$ units

2. volume of sphere with radius 5 = 523.60 units

volume of cylinder with height 10 = 785.40 units

3. volume of sphere with radius 8 = 2144.66 units

volume of cylinder with height 16 = 3216.99 units

4. volume of sphere with radius 10 = 4188.79 units

volume of cylinder with height 20 = 6283.19 units

5. volume of sphere with radius 12 = 7238.23 units

volume of cylinder with height 24 = 10857.34 units

3 0

3 years ago

What is the volume of a right circular cylinder with a base diameter of 6 m and a height of 5 m?

lys-0071 [83]

If the diameter of it is 6, then its radius is half that.

$\bf \textit{volume of a right circular cylinder}\\\\
V=\pi r^2 h~~
\begin{cases}
r=radius\\
h=height\\
-----\\
r=3\\
h=5
\end{cases}\implies V=(\pi )(3^2)(5)$

6 0

4 years ago

Read 2 more answers