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3 years ago

How do you find equivalent ratios? HELP HELP HELP!!! I NEED THE ANSWERS ASAP!!!

Mathematics

2 answers:

Furkat [3]3 years ago

8 0

Answer:

multiply or divide both quantities by the same number

Step-by-step explanation:

To find an equivalent ratio, multiply or divide both quantities by the same number. It is the same process as finding equivalent fractions

Andreyy893 years ago

7 0

Answer:

1. True

5/7= 0.714285

20/28= 0.714285

2. False

11/13= 0.846

22/25= 0.88

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X+2= √2 solve for x will give brainliest

Bezzdna [24]

Answer:

Our answer is $x=-2+\sqrt{2}$ .

Step-by-step explanation:

To solve for x, we need to isolate the variable. We can do so by subtracting 2 to both sides.

$x+2=\sqrt{2} \\x+2-2=-2+\sqrt{2} \\\\x=-2+\sqrt{2} \\$

Our answer is $x=-2+\sqrt{2}$ .

To find the decimal, calculate with a calculator.

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4 years ago

Will mark as brainliest plz help <br>The value of (17+ V2)(17– V2) is<br>

MAXImum [283]

Using formula a^2- b^2 = (a-b)(a+b)

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3 years ago

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sveticcg [70]

The answer to this question is:

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3 years ago

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Square root of the quantity x minus 2 end quantity plus 8 equals x

Butoxors [25]

ANSWER

x=11

EXPLANATION

We want to solve the equation:

$\sqrt{x - 2} + 8 = x$

Add -8 to both sides:

$\sqrt{x - 2} = x - 8$

Square both sides of the equation to get:

$(\sqrt{x - 2} )^{2} =( x - 8)^{2}$

$x - 2 = {x}^{2} - 16x + 64$

Rewrite in the form ax² +bx+c=0

${x}^{2} - 16x - x + 64 + 2 = 0$

${x}^{2} - 17x + 66 = 0$

Factor to get,

$(x - 11)(x - 6) = 0$

This implies that,

$x = 11 \: or \: x = 6$

Checking for extraneous solutions.

When x=6, the original equation becomes,

$\sqrt{6- 2} + 8 = 6$

$\sqrt{4 } + 8 = 6$

2+8= 6 is not true.

x=6 is an extraneous solution.

When x=11, the original equation becomes,

$\sqrt{11- 2} + 8 = 11$

$\sqrt{9} + 8 = 11$

$3 + 8 = 11$

This is true, hence x=11 is the only solution.

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3 years ago

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baherus [9]

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3 years ago