1 year ago

David is making a rectangular exercise yard for his turtle, Ralph. The perimeter of the yard is

Mathematics

1 answer:

marysya [2.9K]1 year ago

7 0

yd=

16x2+12x+18=3x=2x2+6x+9=3x=

sorry i try

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Can someone explain this to me.

almond37 [142]

Answer:

option D

$3*(\sqrt{x}+\sqrt{x-3})$

Step-by-step explanation:

Given in the question an expression,

$\frac{9}{\sqrt{x} -\sqrt{x-3}}$

Step 1

Divide and multiple by $\sqrt{x}+\sqrt{x-3}$ to remove radical sign from denominator.

$\frac{9}{\sqrt{x} -\sqrt{x-3}}*\frac{\sqrt{x} +\sqrt{x-3}}{\sqrt{x} +\sqrt{x-3}}$

Step 2

Apply a² - b² = (a+b)(a-b)

$\frac{9*\sqrt{x}+\sqrt{x-3}}{\sqrt{x^{2}}-\sqrt{(x-3)^{2}}}}$

Step 3

$\frac{9*\sqrt{x}+\sqrt{x-3}}{x-x+3}$

Step 4

$\frac{9*\sqrt{x}+\sqrt{x-3}}{3}$

Step 5

$3*(\sqrt{x}+\sqrt{x-3})$

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3 years ago

What type of triangle, if any, can be formed with sides measuring 8 inches, 8 inches, and 3 inches?

MissTica

We can form an Isosceles triangle using the given measures. Step-by-step explanation: We are given the measure of three sides of a triangle.

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3 years ago

Susan reads a book at a rate of 1 page every 3 minutes. If her reading rate remains the same, which method could be used to dete

Black_prince [1.1K]

Multiply 18 by 3

hope this helps

6 0

3 years ago

Read 2 more answers

10 less than the quotient of g and 3

Phantasy [73]

(g/3)-10 or g÷3-10

This is g divided by 3 minus 10

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3 years ago

832 x156 show your work

Sedaia [141]

Answer:

129792

Step-by-step explanation:

156

× 832

----------

312

468

+ 1248

---------------

129792

6 0

1 year ago