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Aleks [24]
2 years ago
9

Please use the pic thanks

Mathematics
2 answers:
ololo11 [35]2 years ago
5 0

Answer:

See Below

Step-by-step explanation:

Lets look at the numbers, 0.5 pounds, also known as lb, is $4.25

He spends $41.14 for beef.

First Step: Round the numbers 41.14 into 41.10, then 4.25 into 4.3

Second step: Divide 41.1 by 4.3 and get a massive answer in decimals. But you can round it to 9.6, so he buys 9.6 pounds of beef.

defon2 years ago
3 0

Answer:

4.84 pounds

Step-by-step explanation:

41.14 divided by 4.25 = 9.68 divided by 2 = 4.84

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Which of the following best describes rotational symmetry
Gala2k [10]

Answer: B

Step-by-step explanation:

A best describes the quality of symmetry, not specifically rotational symmetry.

C applies to that of A.

D applies to flipping an image across an axis.

B specifically outlines the symmetry of an object when rotated, thus B would be the most precise answer.

7 0
3 years ago
99 POINT QUESTION, PLUS BRAINLIEST!!!
Basile [38]
1.Disc method.
In this method the volume is given by:

\boxed{V=\pi\int\limits_a^b\big[f(x)\big]^2}

so:

V=\pi\int\limits_1^3x^4\,dx=\boxed{\pi\int\limits_1^3\big[x^2\big]^2\,dx}

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2. Shell method.

In this case volume is given by:

</span></span>\boxed{V=2\pi\int\limits_a^bx\cdot f(x)\,dx}

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V=\pi\int\limits_1^3x^4\,dx=\dfrac{2}{2}\cdot\pi\int\limits_1^3x^4\,dx=2\pi\int\limits_1^3\dfrac{x^4}{2}\,dx=&#10;\boxed{2\pi\int\limits_1^3x\cdot\dfrac{x^3}{2}\,dx}

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3 0
3 years ago
Evaluate the integral using integration by parts with the indicated choices of u and dv. (Use C for the constant of integration.
trasher [3.6K]

Answer:

\frac{xe^{7x}}{7} + \frac{e^{7x}}{49}

Step-by-step explanation:

Given the integral equation

\int\limits{xe^{7x}} \, dx \\

According to integration by part;

\int\limits {u} \, dv = uv +  \int\limits {v} \, du

u = x, dv = e^7x

du/dx = 1

du = dx

v = \int\limits {e^{7x}} \, dx \\v = e^7x/7

Substitute the given values into the formula;

\int\limits {xe^{7x}} \, dx = x(e^{7x}/7) + \int\limits ({e^{7x}/7}) \, dx\\\int\limits {xe^{7x}} \, dx = \frac{xe^{7x}}{7} + \frac{e^{7x}}{7*7} \\\int\limits {xe^{7x}} \, dx = \frac{xe^{7x}}{7} + \frac{e^{7x}}{49}

3 0
3 years ago
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eimsori [14]
C. 20x = 200 because an equation always has an equal sign and other three are expressions because it doesn't have any signs, hoped this helped:)
6 0
3 years ago
cylinder a has a radius of 1 m and a height of 4 m cylinder b has a radius of 1 m and a height of 8 what is the ratio of the vol
ikadub [295]
Volume of A= πR².H ==> V(A)=4π m³

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.Ratio of A to B =(4π) /(4π) = 1/2
8 0
3 years ago
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