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sesenic [268]
3 years ago
7

Find the volume.. Pleaseeeee helppp being timed

Mathematics
2 answers:
Strike441 [17]3 years ago
5 0

Answer:

The right answer is 125.6

drek231 [11]3 years ago
3 0

Answer:

A. 502.4

Step-by-step explanation

You might be interested in
Which values are in the solution set of the compound inequality? Check all that apply. 4(x + 3) ≤ 0 or x + 1 > 3 –6 –3 0 3 8
Colt1911 [192]

we have

4(x + 3) \leq 0 -------> inequality 1

or

x + 1 > 3 -------> inequality 2

we know that

In this system of inequalities, for a value to be the solution of the system, it is enough that it satisfies at least one of the two inequalities.

let's check each of the values

<u>case 1)</u> x=-6

<u>Substitute the value of x=-6 in the inequality 1</u>

4(-6 + 3) \leq 0

4(-3) \leq 0

-12 \leq 0 -------> is ok

The value of x=-6 is a solution of the compound inequality-----> It is not necessary to check the second inequality, because the first one satisfies

<u>case 2)</u> x=-3

<u>Substitute the value of x=-3 in the inequality 1</u>

4(-3 + 3) \leq 0

4(0) \leq 0

0 \leq 0 -------> is ok

The value of x=-3 is a solution of the compound inequality-----> It is not necessary to check the second inequality, because the first one satisfies

<u>case 3)</u> x=0

<u>Substitute the value of x=0 in the inequality 1</u>

4(0 + 3) \leq 0

4(3) \leq 0

12 \leq 0 -------> is not ok

<u>Substitute the value of x=0 in the inequality 2</u>

0 + 1 > 3

1 > 3 --------> is not ok

The value of x=0 is not a solution of the compound inequality

case 4) x=3

<u>Substitute the value of x=3 in the inequality 1</u>

4(3 + 3) \leq 0

4(6) \leq 0

24 \leq 0 -------> is not ok

<u>Substitute the value of x=3 in the inequality 2</u>

3 + 1 > 3

4 > 3 --------> is ok

The value of x=3 is a solution of the compound inequality

case 5) x=8

<u>Substitute the value of x=8 in the inequality 1</u>

4(8 + 3) \leq 0

4(11) \leq 0

44 \leq 0 -------> is not ok

<u>Substitute the value of x=8 in the inequality 2</u>

8 + 1 > 3

9 > 3 --------> is ok

The value of x=8 is a solution of the compound inequality

<u>case 6)</u> x=10

<u>Substitute the value of x=10 in the inequality 1</u>

4(10 + 3) \leq 0

4(13) \leq 0

52 \leq 0 -------> is not ok

<u>Substitute the value of x=10 in the inequality 2</u>

10+ 1 > 3

11 > 3 --------> is ok

The value of x=10 is a solution of the compound inequality

therefore

<u>the answer is</u>

[-6,-3,3,8,10]

7 0
3 years ago
PLZZ help me with this good explanation with the zero product property and factoring PLZZ read carefully ❤️❤️
cestrela7 [59]

Answer:

In layman's terms, the zero product property is simply a way of saying "anything times zero equals zero".

The x intercepts happen at (0.5, 0), and (-3, 0).

The vertex is a minimum.

The y-intercept happens at (0, -3).

For the last question, graphing f(x) can be done by taking a few key points (the vertex and x-intercepts are very good, as well as the vertex ± 1, 2, etc.).  By that point you have enough data to sketch the curve.  It helps to know in advance what the general shape of the function will be.  In the case of a quadratic function, it will always be a parabola.

Step-by-step explanation:

Let's start by factoring the function:

f(x) = 2x² + 5x - 3

f(x) = 2x² - x + 6x - 3

f(x) = x(2x − 1) + 3 (2x−1)

f(x) = (x + 3)(2x - 1)

Now that we have it factored, finding its x intercept is quite easy.  We just need to see which values of x would would give a y value of zero.  That may sound backward, but note that when y is equal to zero, the graph is touching, or intercepting, the x-axis.

So if we say:

0 = (x + 3)(2x - 1)

then there are two solutions.  First:

0 = (x + 3)(2x - 1)

0 / (x + 3) = (2x - 1)

0 = 2x - 1

2x = 1

x = 0.5

And the other:

0 = (x + 3)(2x - 1)

0 / (2x - 1) = (x + 3)

0 = x + 3

x = -3

So the x intercepts happen at (0.5, 0), and (-3, 0).

Next, regarding whether the vertex is a maximum or minimum, you can find this by the coefficient of the highest power of x in the function.  If the coefficient is negative, then the vertex is a maximum.  If it's positive, then it's a minimum.  In this case the coefficient is 2, so the vertex is a minimum.

For part C, finding the y intercept is easy enough.  Again, counter-intuitively the y intercept happens when x is equal to zero.  So we just need to replace x with zero in the original equation to find it:

f(x) = 2x² + 5x - 3

f(0) = 2(0)² + 5(0) - 3

f(0) = -3

So the y-intercept happens at (0, -3).

8 0
2 years ago
Plz help this is for a school thing uh ye- Idk what I'm supposed to put here
tester [92]

Answer:

2. >

3. 15

4. 19

Step-by-step explanation:

irl bruh............Really?

4 0
3 years ago
Read 2 more answers
The daily low temperatures last week are shown below. What is the mean
kirill115 [55]

Answer:

i do not see the tempatures but add them all up and divide by however many tempatures there are

Step-by-step explanation:

5 0
3 years ago
Help plz!<br> lines a and b are parallel m∠4=
Korvikt [17]

Answer:

hetero top do mundo de uma maioria dos casos de uma maioria dos casos de uma

3 0
3 years ago
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