2 years ago

Which one is keisha’s mistake?

Mathematics

1 answer:

Aleonysh [2.5K]2 years ago

6 0

Answer:

Step-by-step explanation:

According to the assignments she didnt make no mistake every thing is correct! :))

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What is a-5/6= -3 2/3 + 5/6

valentinak56 [21]

Answer:

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Step-by-step explanation:

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3 years ago

Use the tape diagram to answer the following question: 8 is 40% of what number?

Blababa [14]

20 I apologize if this is wrong

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2 years ago

Find the derivative of the function at P 0 in the direction of A. f(x,y,z) = 3 e^x cos(yz), P0 (0, 0, 0), A = - i + 2 j + 3k

Alik [6]

The derivative of $f(x,y,z)$ at a point $p_0=(x_0,y_0,z_0)$ in the direction of a vector $\vec a=a_x\,\vec\imath+a_y\,\vec\jmath+a_z\,\vec k$ is

$\nabla f(x_0,y_0,z_0)\cdot\dfrac{\vec a}{\|\vec a\|}$

We have

$f(x,y,z)=3e^x\cos(yz)\implies\nabla f(x,y,z)=3e^x\cos(yz)\,\vec\imath-3ze^x\sin(yz)\,\vec\jmath-3ye^x\sin(yz)\,\vec k$

and

$\vec a=-\vec\imath+2\,\vec\jmath+3\,\vec k\implies\|\vec a\|=\sqrt{(-1)^2+2^2+3^2}=\sqrt{14}$

Then the derivative at $p_0$ in the direction of $\vec a$ is

$3\,\vec\imath\cdot\dfrac{-\vec\imath+2\,\vec\jmath+3\,\vec k}{\sqrt{14}}=-\dfrac3{\sqrt{14}}$

3 0

3 years ago

what is the answer help me

tankabanditka [31]

Answer:

B. 30°

Step-by-step explanation:

By remote interior angle theorem:

100° = x + 70°

100° - 70° = x

30° = x

x = 30°

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3 years ago

Read 2 more answers

The angle that is located opposite the longest side of a triangle will always be the smallest degree angle of a triangle. True o

Mandarinka [93]

According to the theorem:
"If a side is longer than the other sides, then the angle opposite to the longer side is the larger angle.

Here it says that , it will be smallest which is false.

Answer: False

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2 years ago