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3 years ago

I need help on this question plz

Mathematics

2 answers:

AlekseyPX3 years ago

7 0

It’s has a vertical line of symmetry because you can cut it in half with a vertical line to make symmetry

pshichka [43]3 years ago

5 0

The only type of symmetry is

vertical line of symmetry

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A spherical balloon with radius r inches has volume defined by the function below. Find a function that represents the amount of

bixtya [17]

<span>v = 4/3*pi*r^3

derivating both sides with respect to t
dv/dt = 4*pi*r^2*dr/dt

when d = 1.7, r = 0.85, and dv/dt = 2:
2 = 4*pi*(0.85)^2*dr/dt

thus
dr/dt = 1/(2pi*(0.85)^2)
=1/(2*3.14*0.85^2)
=0.22</span><span />

4 0

2 years ago

What is the prime factorazation of 100

Artist 52 [7]

2*2*5*5 I hope this helps

6 0

3 years ago

Read 2 more answers

❗️❗️❗️❗️PLEASE HELP MEEE❗️❗️❗️❗️

koban [17]

For this case we have the following inequality:
$- \frac{1}{2}x \ \textgreater \ 6$
We multiply both sides of the equation by -1.
By doing this, change the symbol of the inequality.
We have then:
$\frac{1}{2}x\ \textless \ -6$
From here, we clear the value of x.
We have then:
$x \ \textless \ (2) (- 6)
$
$x \ \textless \ -12
$
Answer:
The solution set is:
{x | x R, x < -12}

8 0

3 years ago

The members of the Student Activity Council on your campus are meeting to select three speakers for a month-long event celebrat

Komok [63]

The number of different ways that three speakers can be selected is 10 ways

Given the names of choice to be Ben, Will, Stewart, Hilary, and Kate. This means that we have a total of 5 name choices.

If the members of students activities are to select three speakers among these people, the number of ways this can be done is by using the combination rule as shown;

$nCr=\frac{n!}{(n-r)!r!}$

From the question, n = 5 and r = 3. On substituting

$5C3=\frac{5!}{(5-3)!3!}\\5C3=\frac{5!}{2!3!}\\5C3=\frac{5 \times 4 \times 3!}{2 \times 3!} \\5C3=\frac{20}{2}\\5C3 = 10 ways$

Hence the number of different ways that three speakers can be selected is 10 ways.

Learn more here: brainly.com/question/24145745

7 0

2 years ago

A cyclist travels at an average speed of 13 mph for 3 hours.<br> How far did she travel in miles?

alexgriva [62]

Answer:

39 miles

Step-by-step explanation:

We know that a cyclist travelled at an average rate of 13 miles per hour for 3 hours and are asked to how far she travelled in miles.

To solve, we need to take into mind that for three hours, the cyclist drove 13 miles per hour.

Meaning that for every hour, 13 miles were driven.

Therefore we need to multiply 13 by 3 to get our answer :

13 miles * 3hrs

39 miles

5 0

3 years ago