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2 years ago

Pliz help me with this test

Mathematics

2 answers:

Rom4ik [11]2 years ago

8 0

Answer:

Step-by-step explanation:

Smoking and drinking harms the fetus by limiting it's chance of being healthy

LenaWriter [7]2 years ago

4 0

Answer:

Step-by-step explanation:

Exercise and a balnced diet wont harm a fetus, but smoking and drinking alcohol would.

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2 years ago

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3 years ago

What is the value of the number 8 in 4,382,087

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3 years ago

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A+b+c=31 2a+3b+4c=105 who's a,b,c

Alik [6]

Answer:

begin{aligned}

& x = \frac{D_x}{D} = \frac{-616}{-154} = 4 \\

& y = \frac{D_y}{D} = \frac{ 616}{-154} = -4 \\

& z = \frac{D_z}{D} = \frac{-770}{-154} = 5

\end{aligned} $begin{aligned} & x = \frac{D_x}{D} = \frac{-616}{-154} = 4 \\ & y = \frac{D_y}{D} = \frac{ 616}{-154} = -4 \\ & z = \frac{D_z}{D} = \frac{-770}{-154} = 5 \end{aligned}$

Step-by-step explanation:

4 0

3 years ago

If 2y=x³ + 2x², find dy/dx when x=2.

scZoUnD [109]

Answer:

Step-by-step explanation:

$\boxed{\textsf{If }y=x^n,\: \textsf{then }\dfrac{\text{d}y}{\text{d}x}=nx^{n-1}}$

<u>Given equation</u>:

$2y=x^3+2x^2$

Isolate y by dividing both sides by 2:

$\implies y=\dfrac{1}{2}x^3+x^2$

Differentiate with respect to x:

$\implies \dfrac{\text{d}y}{\text{d}x}=3 \cdot \dfrac{1}{2}x^{3-1}+2 \cdot x^{2-1}$

$\implies \dfrac{\text{d}y}{\text{d}x}=\dfrac{3}{2}x^2+2x$

Finally, substitute x = 2 into the differentiated equation:

$\begin{aligned} \implies \dfrac{\text{d}y}{\text{d}x} & =\dfrac{3}{2}(2)^2+2(2)\\\\ & = \dfrac{3}{2}(4)+4\\\\ & = \dfrac{12}{2}+4\\\\ & = 6+4\\\\ & = 10\end{aligned}$

Learn more about differentiation here:

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brainly.com/question/26488862

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2 years ago