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3 years ago

How can I make this equation into an ordered pair

Mathematics

1 answer:

Novay_Z [31]3 years ago

3 0

I'd suggest re-wording your question:
"How do I find the ordered pair (x,y) that solves this system of linear equations?"

One way of doing that would be to substitute y=5x+7 into the other equation:

-3x - 2(5x+7) = -12. Solve this for x. Once you have a value for x, subst. that value into y=5x+7 to find the corresponding y value.

Then write the ordered pair (x,y). That's it.

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2 years ago

The volume V (in cubic feet) of a right cylinder with a height of 3 feet and radius r (in feet) is given by V=3πr2. Solve the fo

Kitty [74]

Answer:

$r=\sqrt{\frac{V}{3\pi}}\\\\r\approx 5.00\ ft$

Step-by-step explanation:

-The volume of a cylinder is given by the formula:

$V=3\pi r^2$

#We make r the subject of the formula:

$V=3\pi r^2\\\\r^2=\frac{V}{3\pi}\\\\r=\sqrt{\frac{V}{3\pi}}$

#We then substitute for the stated volume and solve for r:

$r=\sqrt{\frac{V}{3\pi}}, V=236\\\\\therefore r=r=\sqrt{\frac{236}{3\pi}}\\\\r=5.00404\approx\ 5.00\ ft$

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3 years ago

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vodomira [7]

Answer:

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Step-by-step explanation:

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3 years ago

Write using exponents. Work from left to right on the grid. x • x .

blondinia [14]

Using exponents x * x is written as $x^{2}$

<h3>What is exponents?</h3>

Exponents in mathematics is a term that refers to the powers in which a number is raised. Usually the number representing the exponents is usually written upwards in lower font to the left-hand side of the main number or value.

<h3>solving the problem</h3>

x . x is same as x multiplied by x

therefore x . x = x * x

since the x is two the product is written as $x^{2}$ . where the two shows how many times x appeared.

Read more on exponents here: brainly.com/question/11975096

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