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3 years ago

What is the value of A? PLEASE HELP

Mathematics

1 answer:

Anuta_ua [19.1K]3 years ago

3 0

Answer:

Explanation:

$\sqrt[a]{ {x}^{n} } = {x}^{ \frac{n}{a} } \\ \sqrt[7]{ {53}^{3} } = {(53}^{3} ) {}^{ \frac{1}{7} } \\ \: \: \: \: \: \: \: \: \: \: \: = {53}^{ \frac{3}{7} } \\ comparing \: with \: {53}^{ \frac{a}{b} } \\ a = 3$

hope this helps...

Good luck on your assignment..

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3 years ago

i o n f e h y=x3- 3x2- 9 x + 2 The largest and smallest values of the function [ - 2 ; 4 ]At intervals.

Oksana_A [137]

Answer:

Step-by-step explanation:

Given the function :

y=x³ - 3x² - 9x + 2. The largest and smallest values of the function at interval [-2, 4]

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At x = - 1

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2 years ago

Jason had three more than four times the amount of money that Jeff has. Together they have $72. How much money does each person

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Answer:

Jason has $58.20 and Jeff has $13.80.

Step-by-step explanation:

Let x represent the amount of money Jason has, and y represent the amount of money Jeff has.

We know that together they have $72. So, we can write the following equation:

$x+y=72$

We know that Jason has three more than four times the amount of money Jeff has. So:

$x=3+4y$

This is a system of equations. We can solve it by using substitution. Let's substitute the second equation into the first. This yields:

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Combine like terms:

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Subtract 3 from both sides:

$5y=69$

Divide both sides by 5:

$y=69/5=\$13.80$

So, Jeff has $13.80

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Therefore, Jason has:

$x=13.8(4)+3$

Multiply and add:

$x=\$58.20$

So, Jason has $58.20 and Jeff has $13.80.

And we're done!

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