3 years ago

Please answer will see about brainliest

Mathematics

1 answer:

mina [271]3 years ago

3 0

it is d. Pensacola beach

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PLEASE HELP NEED ANSWER BADLY

rjkz [21]

You do 1/3(area of the base)(height) so it’s (1/3)(32^2)(39). 13,311.999999 cubic yards is the answer.

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Consider the surface z = x 2+4y 2+1. Suppose you are walking on this surface directly above a curve C in the xy-plane, where the

Bess [88]

With $x(t)=\cos t$ and $y(t)=\sin t$ , we have

$z(t)=x(t)^2+4y(t)^2+1$

$z(t)=\cos^2t+4\sin^2t+1$

$z(t)=3\sin^2t+2$

Then $z(t)$ has critical points where

$\dfrac{\mathrm dz}{\mathrm dt}=6\sin t\cos t=3\sin2t=0$

$\implies\sin2t=0\implies2t=n\pi\implies t=\dfrac{n\pi}2$

where $n$ is any integer.

$z(t)$ is increasing wherever $\sin2t>0$ , which happens for

$\dfrac{2n\pi}2$

$\boxed{n\pi$

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professor190 [17]

Question how much distance is in each revolvison

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a carpet installation company charges customers a flat fee of $75 plus $3.00 per square foot how much would it cost to install 1

Kobotan [32]

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Step-by-step explanation:

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Read 2 more answers

If f(x)=1−x^2 +x^3 , then f(−1)=

Andrews [41]

Answer:

f(-1) = -1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Functions
Function Notation

Step-by-step explanation:

Step 1: Define

Identify

f(x) = 1 - x² + x³

f(-1) is x = -1 for the function f(x)

Step 2: Evaluate

Substitute in x [Function f(x)]: f(-1) = 1 - (-1)² + (-1)³
Exponents: f(-1) = 1 - 1 - 1
Subtract: f(-1) = -1

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3 years ago