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3 years ago

What is the first term in the expansion (2x + 10y)15?

Mathematics

2 answers:

Ann [662]3 years ago

5 0

Answer:

B.) 2^15x^15

Step-by-step explanation:

Bogdan [553]3 years ago

3 0

Answer:

Simplifying

2x + -10y = 15

Solving

2x + -10y = 15

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '10y' to each side of the equation.

2x + -10y + 10y = 15 + 10y

Combine like terms: -10y + 10y = 0

2x + 0 = 15 + 10y

2x = 15 + 10y

Divide each side by '2'.

x = 7.5 + 5y

Simplifying

x = 7.5 + 5yStep-by-step explanation:

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podryga [215]

Answer:

$g(x)=-2\sqrt[3]x$

$g(x) = -2f(x)$

Step-by-step explanation:

Given

$f(x) = \sqrt[3]x$

Required

Write a rule for g(x)

See attachment for grid

From the attachment, we have:

$(x_1,y_1) = (-1,2)$

$(x_2,y_2) = (1,-2)$

We can represent g(x) as:

$g(x) = n * f(x)$

So, we have:

$g(x) = n * \sqrt[3]x$

For:

$(x_1,y_1) = (-1,2)$

$2 = n * \sqrt[3]{-1}$

This gives:

$2 = n * -1$

Solve for n

$n = \frac{2}{-1}$

$n = -2$

To confirm this value of n, we make use of:

$(x_2,y_2) = (1,-2)$

So, we have:

$-2 = n * \sqrt[3]1$

This gives:

$-2 = n * 1$

Solve for n

$n = \frac{-2}{1}$

$n = -2$

Hence:

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3 years ago

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eimsori [14]

Answer:

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Step-by-step explanation:

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