The expression V = 2x3 + 6x2 can be used to find the volume of the trapezoidal prism below. If x = 12 cm, what is the volume of the prism?

Answers

Answer 1
V = 2x^3 + 6x^2
x = 12

V = 2(12^3) + 6(12^2)

V = 2(1728) + 6(144)

V = 3456 + 864

V = 4320
Answer 2

The volume of the prism is 4320 cubic units

The expression for the volume is given as:

V = 2x^3 + 6x^2

When x = 12, the expression becomes

V = 2 * 12 ^3 + 6 * 12^2

Evaluate the exponent

V = 2 * 1728 + 6 * 144

Evaluate the products

V = 3456 + 864

Evaluate the sum

V = 4320

Hence, the volume of the prism is 4320 cubic units

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Related Questions

Which statement describes the graph of an odd function
A. The graph is symmetric about the line Y equals X
B. The graph is symmetric about the X axis
C. The graph is symmetric about the line X equals zero
D. The graph is symmetric about the origin

Answers

Which statement describes the graph of an odd function
A. The graph is symmetric about the line Y equals X

The correct description is about graph of an odd function is;

''The graph is symmetric about the origin''.

Option D is true.

What is odd function?

The function is said to an odd function if it satisfy the condition;

⇒ f (-x) = - f (x)

Given that;

The function is an odd function.

Now,

Since, The odd function is rotate by the figure 180 degree then it will remains same.

So, The graph of an odd function is symmetric about the origin.

Thus, The correct description is about graph of an odd function is;

''The graph is symmetric about the origin''.

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The difference between the roots of the quadratic equation x2+x+c=0 is 6. Find c.

Answers

We have that
[tex]x_{1} - x_{2} = 6[/tex]
Let y be the first root, then y - 6 will be the second one. Since both roots make the quadratic equation equal to 0, we have that:
[tex] y^{2} + y + c = (y - 6)^{2} + (y - 6) +c[/tex]
Solve for y:
[tex]y^{2} +y +c = y^{2} - 12y + 36 + y - 6 +c \\ y + 12y - y = 30 \\ y = \frac{5}{2} [/tex]
Plug in y = 5/2 into original quadratic equation and solve for c:
[tex]( \frac{5}{2}) ^{2} + \frac{5}{2} +c = 0 \\ c= - \frac{5}{2} - \frac{25}{4} \\ c = - \frac{35}{4} [/tex]
So, the answer is c = -35/4

To solve this question:

First, we compare with the standard quadratic equation to find a, b and c.Then, we apply Bhaskara to find the roots, as function of c.Then, since the difference is 6, we use this to find c.

Doing this, we get that: [tex]c = -\frac{35}{4}[/tex]

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

[tex]ax^{2} + bx + c, a\neq0[/tex].

This polynomial has roots [tex]x_{1}, x_{2}[/tex] such that [tex]ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})[/tex], given by the following formulas:

[tex]x_{1} = \frac{-b + \sqrt{\Delta}}{2*a}[/tex]

[tex]x_{2} = \frac{-b - \sqrt{\Delta}}{2*a}[/tex]

[tex]\Delta = b^{2} - 4ac[/tex]

x²+x+c=0

Comparing with the standard second order equation, which is:

[tex]ax^2 + bx + c = 0[/tex]

We get that:

[tex]a = 1, b = 1[/tex]

Finding the roots:

[tex]\Delta = b^{2} - 4ac = 1^2 - 4(1)(c) = 1 - 4c[/tex]

[tex]x_{1} = \frac{-1 + \sqrt{1 - 4c}}{2}[/tex]

[tex]x_{2} = \frac{-1 - \sqrt{1 - 4c}}{2}[/tex]

Difference of 6

Thus:

[tex]x_1 - x_2 = 6[/tex]

[tex]\frac{-1 + \sqrt{1 - 4c}}{2} - \frac{-1 - \sqrt{1 - 4c}}{2} = 6[/tex]

[tex]-\frac{1}{2} + \frac{\sqrt{1 - 4c}}{2} + \frac{1}{2} + \frac{\sqrt{1 - 4c}}{2} = 6[/tex]

[tex]\frac{2\sqrt{1 - 4c}}{2} = 6[/tex]

[tex]\sqrt{1 - 4c} = 6[/tex]

[tex](\sqrt{1 - 4c})^2 = 6^2[/tex]

[tex]1 - 4c = 36[/tex]

[tex]-4c = 35[/tex]

[tex]4c = -35[/tex]

[tex]c = -\frac{35}{4}[/tex]

Thus, [tex]c = -\frac{35}{4}[/tex] is the value.

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what is 3 divided by 18.6

Answers

0.1612. Just use the calculator on your computer lol

3 divided by 18.6 is 0.16129032258

What is division?

Math operations include division as one of its types. This technique involves splitting the phrases or numbers into the same amount of components.

Given expression,

3 divided by 18.6

To find the number :

We take division of 3 by 18.6.

3/18.6

= 0.16129032258

Therefore, the value is 0.16129032258

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Find the slope of the line passing through points q(8, 7) and p(4, 1).

Answers

The formula to find slope is (y2-y2)/(x2-x1)

You can remember it like this: "If you want to be wise, remember rise over run, which is y's over x's."

The next step is to determine which point is (x1,y1) and which is (x2,y2).
We do this by determining which point has the biggest x value: (8,7)

Now we plug it into the formula: (8-4)/(7-1) 
Simplify and we get: 4/6 or 2/3

Voila! You have your slope: 2/3

Hope this helps, and May the Force Be With You.


Hi there! :)

Step-by-step explanation:

[tex]SLOPE=\frac{Y_2-Y_1}{X_2-X_1}=\frac{RISE}{RUN}[/tex]

[tex]\frac{1-7}{4-8}=\frac{-6}{-4}=\frac{-6/2}{-4/2}=\frac{-3}{-2}=\frac{3}{2}[/tex]

Slope is 3/2.

Final answer is 3/2.

Hope this helps!

Thanks!

Have a nice day! :)

:D

Distributive property to simplify 39x5

Answers

what are the Answer choices

Write the slope-intercept form of the equation for the line.
A. y= -3x - 1
B. y= 1/3x - 1
C. y= 3x - 1
D. y= 1/3x + 1
(Picture is shown below)

Answers

The answer is C, you can tell because the b=-1, so that eliminates d, then you know the slope is positive because of the direction it goes, so that eliminates a. Then if you look at the slope, it goes up 3 over 1, so that makes the answer C.
Hope this helps

What is the 1st term when 3x3 − 7x + 6x4 − 2x2 is arranged in descending order?
3x3
−7x
6x4
−2x2

Answers

[tex]6x^{4} [/tex]
Because its power is the greatest.
The correct option is 6 X 4.
To arrange in descending order means that you will write the largest value first followed by the other smaller ones. From the question given above, we have the following values:
3x3 = 9
6 x 4 = 24
-2 x 2 = -4 and we have  -7x.
Thus, the largest value is 6 x 4.

Which killed the greatest number of American soldiers during the Spanish-American war?
A) yellow fever
B) invasion of Puerto Rico
C) battle of Manila Bay
D) battle of San Juan Hill

Answers

a. yellow fever. the reason why is because it was very strong back then
the answer is A. yellow fever

solve y + w - 3/4z = 0 for z

Answers

The expression solved for z is:

z = (4/3)*(y + w)

How to solve the expression for z?

Here we have the expression:

y + w - 3/4z = 0

And we want to solve it for z, which means that we need to isolate z on one side of the expression.

If we add (3/4)z in both sides we get:

y + w = (3/4)z

Now if we multiply both sides by (4/3).

(4/3)*(y + w) = (4/4)*(3/4)z = z

Then we got:

z = (4/3)*(y + w).

Thus, the expression is solved for z.

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A triangular table has angles with measures in the ratio 7:9:4. What is the measure of the smallest angle?

Answers

The angles must add to 180 degrees.
Since the angles are in the ratio 7:9:4, their measures are not 7, 9, and 4 since 7, 9, and 4 do not add to 180.  If you multiply 7, 9, and 4 by the same number, the new numbers will be in the same ratio. Since we do not know what that number is, we can use x for it.

Multiply 7, 9, and 4 by x to get
7x, 9x, and 4x.
Now add them and set equal to 180.
Then solve for x.

7x + 9x + 4x = 180

20x = 180

x = 9

Now that we know x equals 9, substitute x with 9 and evaluate 7x, 9x, and 4x to find the actual angle measures.

7x = 7 * 9 = 63
9x = 9 * 9 = 81
4x = 4 * 9 = 36

The angles measure 63, 81, and 36 degrees.

The length of a rectangle is 2 cm longer than its width. if the perimeter of the rectangle is 36 cm , find its area.

Answers

The area is 80 cm squared
Final answer:

The area of the rectangle is 80 square cm.

Explanation:

To find the area of a rectangle, we need to know the length and width. Let's denote the width of the rectangle as 'w'. As given, the length of the rectangle is 2 cm longer than its width, so the length can be represented as 'w + 2'.

The perimeter of a rectangle is the sum of all four sides. In this case, it is given as 36 cm. Using the formula for the perimeter of a rectangle, we can set up the equation:

2(w + w + 2) = 36

Simplifying the equation:

4w + 4 = 36

4w = 32

w = 8

Substituting the value of 'w' back into the expression for length:

Length = 8 + 2 = 10

The area of a rectangle is given by the formula: area = length × width. So, the area of this rectangle is:

Area = 10 × 8 = 80 square cm

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In a country where prices are rising quickly, bread that now costs $1.39 will cost 2.4 times as much next year. How much will the bread cost next year? (Round your answer to the nearest cent

Answers

To find this you multiply 1.39 by 2.4. This gives you 3.336, which you round to 3.34. So it will cost $3.34
Hope this helps
3.336 is the answer!

How many terms are there in a geometric series if the first term is 7, the common ratio is 2, and the sum of the series is 105?

Hint: (image attached below) r ≠ 1, where a1 is the first term and r is the common ratio.

OPTIONS
A) n = 3
B) n = 4
C) n = 5
D) n = 6

Answers


105  =  7. (1 - 2^n) / 1-2

105*-1 = 7 (1 - 2^n)

1 - 2^n = -105/7 = - 15

2^n = 16 

n = 4 answer

Answer:

the answer would be B. N=4

write an equation in slope intercept form, passes through (-1,-10), parallel to y=7

Answers

The line y=7 is a horizontal line with a slope of 0.
Slope intercept form of 
y=mx+b 

would be
y-y1=m(x-x1)
m=0 and point of (-1,-10)
y-(-10)=0

y=-10

An equation in slope intercept form, passes through (-1,-10), parallel to y=7 is y = -10 .

What is slope?

The slope of a line is defined as the change in y coordinate with respect to the change in x coordinate of that line. The slope of a line is the measure of the steepness and the direction of the line.  

What is standard form of slope for line and point ?

The slope intercept formula y = mx + b is used when you know the slope of the line to be examined and the point given is also the y intercept (0, b). In the formula, b represents the y value of the y intercept point.

According to the question

An equation in slope intercept form,

passes through (-1,-10), parallel to y = 7

now,

When line is y = 7

that means , x = 0

and it is also a horizontal line , i.e slope (m) = 0

As, Parallel lines have same slope .

By using slope intercept formula for  (-1,-10)

y = mx + b

substituting the value

-10 = 0 + b

b = -10

Therefore, putting values in general equation of slope intercept for any point

y = mx + b

y = -10  

Hence, an equation in slope intercept form, passes through (-1,-10), parallel to y=7 is y = -10 .

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For any distribution, what is the z-score corresponding to the median? 0 1 n cannot be determined from the information given

Answers

This is a value that cannot be determined at current (choice D). The z-score associated with the mean is 0, but the median value is not always equal to the mean. In this case, it could be 0, it could be greater than 0, or it could be less than 0.

if tan(145) = -1/1.43 , what is tan(-125) A. -1.43, B. 1.43, C. 1/1.43, D. -1/1.43

Answers

tan (-125)  = tan 235 =  1.42815
tan 145  = -1/143 = -0.70

1.42815 = -1/-0.70 

so answer is  1.43

Answer:

B. 1.43

Step-by-step explanation:

Because tan (180-θ)=-tan θ

[tex]tan (145) = tan (180 -35)= -tan 35 = -\frac{1}{1.43}\\tan 35 =\frac{1}{1.43}[/tex]

Because tan (90+θ) = -cot θ

tan (-125) can be written as:

[tex] tan(-125)=-tan (125) = - tan (90+35) = cot 35[/tex]

tan θ x cot θ =1

⇒tan 35 x cot 35 = 1

⇒[tex]\frac{1}{1.43} \times cot 35 =1 \\ cot 35 = 1.43[/tex]

⇒[tex] tan(-125)= cot 35 = 1.43[/tex]

#12 if measure of angle 1 = 19x +1 and measure of angle 5 = 15x +13 then measure of angle 1 =? X=?

Answers

By looking at the given picture, we can see that angle 1 and 5 are alternate exterior angles, which makes them equal. So, if we equate the two given expressions together, we get:
19x + 1 = 15x + 13
Now, all we need to do is solve for x and then plug it back into the expression for angle 1 to get its measure. We find that x = 3, so if we plug it back into the expression for angle 1, we get 56 degrees. The measure of angle 1 is 56 degrees

Devon and his friends bought strawberry wafers for $3 per packet and chocolate wafers for $1 per packet at a carnival. They spent a total of $30 to buy a total of 22 packets of wafers of the two varieties.

Part A: Write a system of equations that can be solved to find the number of packets of strawberry wafers and the number of packets of chocolate wafers that Devon and his friends bought at the carnival. Define the variables used in the equations. (5 points)

Part B: How many packets of chocolate wafers and strawberry wafers did they buy? Explain how you got the answer and why you selected a particular method to get the answer. (5 points)

Answers

A)

S = Strawberry wafer packets

c = chocolate wafer packets

s +c = 22

3.00s +1.00c = 30.00


B)

 s + c = 22

s = 22-c

3.00(22-c) + 1.00c = 30.00

66.00 - 3.00c +1.00c = 30.00

66.00 -2.00c =30.00

-2.00c = -36.00

c = -36.00 / -2.00 = 18

 18 packets of chocolate wafers

4 packets of strawberry wafers


Name a line segment that is perpendicular to Line AC

a.) Segment AE
b.) Segment BF
c.) Segment HD
d.) Not enough information

Answers

B. should be the correct answer.
The answer is B.) Segment BF, Perpendicular lines create one or more right angles when they intersect. Line AC creates a right angle at line BF, also known as perpendicular. 

The measure of an exterior angle of a regular polygon is 72 degrees. Find the measure of an interior angle.

Answers

Exterior angle of a polygon = 72 degrees Polygon has 5 sides. Interior angle = 180 (n-2) / n = 180 (5-2) / 5 = 108 degrees

Write the number 2174 to the nearest hundred

Answers

2200, hope this helps brainiest would be wonderful. :)

find sin x if cos x= 2/3 and x is in quadrant 4

Answers

yes you'll use the half angle identities to solve...it sounds like you understand how to use them just not which sign to use.

This is actually pretty easy. All you have to do is know what quadrant your angle is in and that will determine the sign.

Quadrant1 = all trig functions are positive
Quadrant2 = sine is positive and cosine and tangent are negative
Quadrant3 = tangent is positive and sine and cosine are negative
Quadrant4 = cosine is positive and sine and tangent are negative

since your original angle is in quadrant 4 then the half angle will be in Quadrant 2

so the sine of the half angle is positive and the cosine of the half angle is negative
the sine is negative in quadrant 4

adjacent side = 2 and hypotenuse = 3 so opposite side will be -sqrt 5

so sin x = - sqrt5/ 3

The two figures above are regular. If s and t represent the lengths of the segments indicated in the figures, which statement is true? A. s > t B. t > s C. s = t D. No comparison can be made.

Answers

Final answer:

Without the necessary figures or context, we cannot make a correct comparison between segment lengths s and t. The question lacks clarity and detail, therefore the answer is that no comparison can be made.

Explanation:

The geometrical figures and the comparison of segment lengths within these figures. Given the Pythagorean theorem and the details about forces and lines, we have information that could pertain to geometry, specifically to properties of triangles and the comparison of segment lengths or areas. However, without the actual figures or a clear indication of the context involving s and t, we cannot provide an accurate comparison between them. This implies that the answer would be D. No comparison can be made.

It is possible that s and t are referring to the lengths of sides in a triangle, but this question, as presented, lacks the clarity and detail required to make a precise calculation or comparison. For example, in the case of two segments being hypotenuse and side of right triangles, if we knew the lengths of the other sides, we could apply the Pythagorean theorem to find the relationship between s and t. But without this information or a clear diagram, we cannot conclude anything about the relationship between s and t.

A kitten grows from 5oz at birth to 3lb 5oz at 6 months (find the rate of change)

Answers

Well, 16 oz is one pound. 16 * 3 is 48. It's not 16 * 3 +5 because it started out at 5oz. 48 oz in 6 months then. Divide 48 by 6. I believe it is 8oz per month. Not positive though.
The rate of change is going to be about 8 oz per moth 

Using complete sentences, explain how to find the minimum value for each function and determine which function has the smallest minimum y-value. G(x) = 2 sin (x-π) F(x) = 3x^2 + 12x + 16

Answers

G(x): no matter what x is, the minimum of sin is -1, so G(x) has a minimus of 2*(-1), which is -2
to find the minimum of F(x), it is a quadratic equation, the minimum or maximum is when x=-b/(2a). In this case, a=3, b=12, so x=-2
Plug x=-2 into the equation, you will get F(x)=4, so the minimum y value is 4

Note: when a is positive, the parabola opens upward, the function has a minimum y value. when a is negative, the parabola opens downward, the function has a maximum value

The minimum of G(x) is -2 and of F(x) is 4 So, G(x) has the smallest minimum y-value.

The function G(x) is a sine function. The sine function, sin(x), has a range of -1 to 1. The minimum value of sin(x) is -1. Since G(x) = 2 sin(x - π), we multiply the minimum value of sin(x) by 2.

The minimum value of sin(x - π) is:

sin(x - π) = -1

Thus, the minimum value of G(x) is:

2 * (-1) = -2

To find the minimum value of a quadratic function, we use the vertex formula, x = -b / 2a. For F(x), a = 3, b = 12, and c = 16.

The x-coordinate of the vertex is:

x = -12 / (2 * 3) = -12 / 6 = -2

Substitute x = -2 into the function to find the minimum y-value:

F(-2) = 3(-2)² + 12(-2) + 16

F(-2) = 3(4) - 24 + 16 = 12 - 24 + 16 = 4

a law clerk has earned more than $20000 since being hired (it's a math inequality problem)

Answers

>$20000 (is that the whole question or??)

A turtle walked 1/8 of a mile in 1/2 of an hour. How many miles will he turtle walk in one hour?

Answers

The turtle walked a total of 1/4 of a mile in an hour because 1/8 + 1/8 is 2/8 or 1/4 simplified. There are double 1/8 because you need to 1/2 hours to make a whole hour.

2/6 miles in one hour

I need to know this answer ?

Answers

combine all the like terms

 4x^3  + 2x^2

 then you have -6x-6x which = -12x and -10+4 = -6

 so it becomes 4x^3+2x^2-12x-6

 Answer is A

f(x) + f(g)
= 4x^3 - 6x - 10 + 2x^2 -6x + 4
= 4x^3 + 2x^2 - 12x - 6

answer
A)
4x^3 + 2x^2 - 12x - 6

if 8y-8=24, find the value of 2y

Answers

8 is the answer
for 2y
8y - 8 = 24
+ 8. +8

8y = 32
/8. / 8

y = 4

2(4) = 8

The fuel for a chain saw is a mix of oil and gasoline. The ratio of ounces of oil to gallons of gasoline is 5:18. There are 36 gallons of gasoline. How many ounces of oil are there?
16 ounces
10 ounces
129.6 ounces
2.5 ounces

Answers

oil / gas

5/18 = x / 36....5 oz oil to 18 gal gas = x oz oil to 36 gal gas
cross multiply because this is a proportion
(18)(x) = (36)(5)
18x = 180
x = 180/18
x = 10 <=== so there is 10 oz of oil
Final answer:

The amount of oil, in ounces, in the fuel mix can be found using a proportion with the given ratio and the amount of gasoline.

Explanation:

To find the number of ounces of oil, we need to use the given ratio and the amount of gasoline. The ratio of oil to gasoline is 5:18, meaning that for every 5 ounces of oil, there are 18 gallons of gasoline. Since we know that there are 36 gallons of gasoline, we can set up a proportion to find the number of ounces of oil:

5 ounces / 18 gallons = x ounces / 36 gallons

Cross multiplying, we get:

18x = 5 * 36

Simplifying further:

18x = 180

Dividing both sides by 18, we get:

x = 10 ounces

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