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3 years ago

12

Is 6% of a pound weigh more than an ounce

1 answer:

Katena32 [7]3 years ago

4 0

No, it doesn't.

6% of a pound, or 0.06 pounds < 0.0625 pounds (single ounce)

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Please help! Find the indicated real n-th roots of x, if any. Give your answer in simplest form.

pishuonlain [190]

1. $\sqrt[6]{64}$

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2. $\sqrt[3]{128}$

    $1.014096553300555$

3. $\sqrt[10]{1024}$

    $1.01181879913814$

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3 years ago

sam and jake live 8 km from each other, Sam skateboards 10 km in the same time as jake rides his bike 15 km. if they both leave

lesya [120]

10 km from jakes home

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3 years ago

Calculate the formula by using simultaneous equation <br><br>1: 2x+3y = -1 <br> x+y = -1

Rina8888 [55]

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3 years ago

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.

5 0

3 years ago

A cistern is leaking 0.25 liters of water per minute. Approximately how many gallons of water is the cistern losing per hour? (P

nikklg [1K]

The cistern is losing approximately 3.963 gallons of water per hour.

<u><em>Explanation</em></u>

A cistern is leaking 0.25 liters of water per minute.

<u>We know, 1 gallon = 3.785 liters</u>

So, 0.25 liters = $\frac{0.25}{3.785}=0.06605...$ gallons

That means, the cistern is losing 0.06605....gallons of water per minute.

So, the amount of water losing in 1 hour or 60 minutes $=(0.06605...*60) gallons= 3.963 gallons$ <em>(Approximately)</em>

7 0

4 years ago

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