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3 years ago

Can someone answer this please thanks.

Mathematics

1 answer:

yuradex [85]3 years ago

7 0

Answer:

A) 0.04 - 1.6 = -0.56

B) 0.8 - 10.2 = -9.4

Step-by-step explanation:

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Answer number 6 pleaseeee

Crazy boy [7]

Answer:

look it up :)

Step-by-step explanation:

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2 years ago

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Please help I will mark brainliest

nevsk [136]

C. 3.50 W

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2 years ago

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Jen is building a fence around her rectangular yard.

pogonyaev

Answer:

$375

Step-by-step explanation:

9 + 8 = 17

17 + 20 = 37

37 x 4.25 = 375

(I think I’m sorry I’m not good at math)

8 0

3 years ago

Find the volume of the solid generated by revolving the area bounded by y=x^2 and x-axis from [0,2] around the x-axis

lesya [120]

Answer: $\dfrac{32\pi }{5}\ \text{unit}^3$

Step-by-step explanation:

Given

The area is bounded by $y=x^2$ and x-axis from [0,2]

The volume generated for $y=f(x)$ when rotated about the x-axis in the interval [a,b] is

$V=\int_a^b\pi y^2dx$

Insert the values

$\Rightarrow V=\int_0^2\pi x^4dx\\\\\Rightarrow V=\pi \int_0^2x^4dx\\\\\Rightarrow V=\pi \left[ \dfrac{x^5}{5}\right]_0^2\\\\\Rightarrow V=\dfrac{2^5\pi }{5}\\\\\Rightarrow V=\dfrac{32\pi }{5}\ \text{unit}^3$

8 0

2 years ago

A scientist observed a bacterium in a microscope. It measured about 0.0000029 meter in diameter. Which of the following is close

Damm [24]

Answer: A. $2\times10^{-6}$ .

Step-by-step explanation:

Given: The diameter of bacterium = 0.0000029 meter

≈ 0.000002 meter [ with 6 decimal places]

$=\dfrac{2}{1000000}=\dfrac{2}{10^6}$

$=2\times10^{-6}$ meters [ $\dfrac{1}{a^n}=a^{-n}$ ]

i.e. $2\times10^{-6}$ closest to 0.0000029.

Hence, the correct option is A. $2\times10^{-6}$ .

8 0

3 years ago