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4 years ago

15

Friends height is close to 160 centimeters what is your friends height close to in meters

2 answers:

r-ruslan [8.4K]4 years ago

8 0

Their height is 1.6 meters

aalyn [17]4 years ago

4 0

Your friend's height in centimeters is about 160, and 1 meter is equal to exactly 100 centimeters. So, your friend's height would be about 1.6 meters.

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Which of the following is NOT true about a rhombus?

Naily [24]

Answer:

Which of the following is NOT true about a rhombus?

options:

lines of symmetry are the perpendicular bisectors

lines of symmetry are the diagonals

a rhombus has four congruent sides

a rhombus is a quadrilateral

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3 years ago

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If a car travels 55 miles per hour how far will it travel in half an hour

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Answer:

27.5

Step-by-step explanation:

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3 years ago

Calc help pretty please

Gre4nikov [31]

Answer:

A. 77.4

Step-by-step explanation:

<u>Linear approximation formula</u>

$L(x)=f(a)+f'(a)(x-a)$

Given function:

$f(x)=(x+1)^2$

$\boxed{\begin{minipage}{5.4 cm}\underline{Chain Rule for Differentiation}\\\\If $y=f(u)$ and $u=g(x)$ then:\\\\$\dfrac{\text{d}y}{\text{d}x}=\dfrac{\text{d}y}{\text{d}u}\times \dfrac{\text{d}u}{\text{d}x}$\\\end{minipage}}$

$\boxed{\begin{minipage}{5 cm}\underline{Differentiating $x^n$}\\\\If $y=x^n$, then $\dfrac{\text{d}y}{\text{d}x}=xn^{n-1}$\\\end{minipage}}$

$\boxed{\begin{minipage}{4 cm}\underline{Differentiating $ax$}\\\\If $y=ax$, then $\dfrac{\text{d}y}{\text{d}x}=a$\\\end{minipage}}$

Use the chain rule to differentiate the function.

$\textsf{Let }\:y=u^2\:\textsf{ where }u=(x+1)$

Differentiate the two parts separately:

$y=u^2 \implies \dfrac{\text{d}y}{\text{d}u}=2u$

$u=x+1 \implies \dfrac{\text{d}u}{\text{d}x}=1$

Put everything back into the chain rule formula:

$\begin{aligned} \implies \dfrac{\text{d}y}{\text{d}x} & =2u \times 1\\ & = 2u \\ & = 2(x+1)\\ & = 2x+2 \end{aligned}$

$\textsf{Therefore, }\:f'(x)=2x+2.$ .

The <u>linear approximation</u> at a = 8 is:

$\begin{aligned}L(x) & =f(a)+f'(a)(x-a)\\\\\implies L(x) & = f(8)+f'(8)(x-8)\\& = (8+1)^2+(2(8)+2)(x-8)\\& = 81+18(x-8)\\& = 18x-63\end{aligned}$

Finally, substitute x = 7.8 into the <u>linear approximation equation</u>:

$\begin{aligned}\implies L(7.8) & =18(7.8)-63\\& = 140.4-63\\& = 77.4\end{aligned}$

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2 years ago

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Klio2033 [76]

Answer:

see below PLEASE GIVE BRAINLIEST

Step-by-step explanation:

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3 years ago

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Sonja [21]

Answer:

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Step-by-step explanation:

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3 years ago

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