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Nonamiya [84]
3 years ago
12

HELP ME PLEASEEEEEEEEEEEEE

Mathematics
1 answer:
Bad White [126]3 years ago
6 0

Answer:

option 2 : =x^4 - 3x^3 +x^2 -4

Step-by-step explanation:

Given P(x) = R(x) - C(x)

R(x) = 2x^4 - 3x^3 + 2x - 1 \ , \ C(x) = x^4 - x^2 + 2x + 3

P(x) = (2x^4 - 3x^3 + 2x -1) - (x^4 -x^2 + 2x +3)

      =2x^4 -3x^3 + 2x -1 -x^4 +x^2 -2x -3

      = (2x^4 - x^4) - 3x^3 +x^2 +(2x -2x) + (-1 -3)                [arranging \ terms]

      =x^4 - 3x^3 +x^2 -4

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Cone W has a radius of 8 cm and a height of 5 cm. Square pyramid X has the same base area and height as cone W. Paul and Manuel
sergij07 [2.7K]

This question is incomplete because it lacks the appropriate attachment containing the argument of Paul and Manuel

Kindly find attached the appropriate attachment necessary to solve this question.

The attachment was sourced online

Answer:

a) Paul's argument is correct, Manuel used the wrong formula to find the volume of square pyramid X

Step-by-step explanation:

From the above question, we are given two shapes: Cone W and Square Pyramid

Cone W: Radius = 8cm, Height = 5cm

Volume of a Cone = 1/3 πr²h

Where π = 3.14

Volume of Cone X = 1/3 × 3.14 × 8² × 5

= 334.93cm³

For Square pyramid X

Volume = 1/3 × Base Area × Height

Base Area of Cone W = Base Area of square pyramid X = πr²

Where π = 3.14

Base area = 3.14 × 8² = 200.96cm²

Height of Square pyramid X = Height of Cone W = 5cm

Volume of Square pyramid = 1/3 ×200.96cm² × 5cm

= 334.93cm³

Therefore, from my above calculation and compared with the arguments of Paul and Manuel, Option a) "Paul's argument is correct, Manuel used the wrong formula to find the volume of square pyramid X" is the correct option.

The reason why is because the correct formula for the volume of a square pyramid = 1/3 × Base area × Height

This was the formula Paul used.

Manuel on the other hand used the formula: Base Area × Height to find the volume of cone W. This formula is wrong.

Option a, is the correct answer.

4 0
3 years ago
If you have 382 blocks that cost 44$ how much would it cost for 1 block​
makvit [3.9K]

Answer:

Im pretty sure the answer in $8.70

Step-by-step explanation:

All you have to do is 382 divided by 44

7 0
3 years ago
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Create the equation of a quadratic function with a vertex of (5,6) and a y-intercept of -69
Elena L [17]
If the y-intercept is at -69, meaning the point is (0, -69), thus x = 0, y = -69

\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------\\\\
vertex~(5,6)\quad 
\begin{cases}
x=5\\
y=6
\end{cases}\implies y=a(x-5)^2+6
\\\\\\
\textit{we also know that }
\begin{cases}
x=0\\
y=-69
\end{cases}\implies -69=a(0-5)^2+6
\\\\\\
-75=25a\implies \cfrac{-75}{25}=a\implies a=-3
\\\\\\
therefore\qquad \boxed{y=-3(x-5)^2+6}
3 0
3 years ago
Sally is 3 years older than Jim. Jim is 18 years old. After correctly carrying out the Solve step of the five-step problem-solvi
AnnyKZ [126]

Answer:

Step-by-step explanation:

Jim is 18

Sally: 3 years older than Jim

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7 0
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According to the graph what is the value of the constant in the equation below?<br> Answer:0.5
worty [1.4K]
Constant=2 you can try this method with the other points

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