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4 years ago

As an estimation we are told £3 is €4.

Mathematics

1 answer:

Lesechka [4]4 years ago

7 0

Answer:

£50.63

Step-by-step explanation:

If €4 = £3

Therefore one €1 = £3/4

Now, Converting €67.50 to pounds,

67.50 * 3/4 = £50.625

£50.63 (answer rounded to 2 DP)

Current time conversion,

67.50 Euro equals 60.68 Pound sterling

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The Knicks and Nets have a total 30 players.

Blababa [14]

Answer:

Step-by-step explanation:

From the problem statement, we can set up the following two equations:

$K + N = 30$

$20K + 10N = 500$

where $K$ is the number of Knicks players, and $N$ is the number of Nets players.

We can substitute the first equation into the second and solve for $K$

$K + N = 30$

$N = 30 - K$

$20K + 10N = 500$

$20K + 10(30 - K) = 500$

$20K + 300 - 10K = 500$

$10K + 300 = 500$

$10K = 200$

$K = 20$

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3 years ago

How fractions and decimal are alike

seraphim [82]

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3 years ago

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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;

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

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du/dx = 1

du = dx

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

Substitute the given values into the formula;

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

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Answer:

Step-by-step explanation:

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V125BC [204]

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$7x - 4x + {x}^{3}$

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$3( - 2) + { (- 2)}^{3}$

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$- 14$

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3 years ago