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2 years ago

A . 7 1/4 B . 7 2/3 C. 10 D. 10 1/2 E. 10 1/4

Mathematics

1 answer:

Arada [10]2 years ago

3 0

Hello!

You start with 13 1/4 inches of steel

You cut 2 3/4

So yo subtract these two

13 1/4 - 2 3/4 = 10 2/4

Then you cut 3 1/4 inches off

You subtract these as well

10 2/4 - 3 1/4 = 7 1/4

The answer is 7 1/4

Hope this helps!

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PLEASE HELP WILL MARK BRAINLIEST!!!

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2 years ago

It took 30 minutes for Melinda to run 4 miles what is the ratio

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3 years ago

Choose the correct simplification of x to the 12th power times z to the 11th power all over x to the 2nd power times z to the 4t

Umnica [9.8K]

Answer:

<h3>The option A) $x^{10}z^7$ is correct answer.</h3><h3>The correct simplification for the given expression $\frac{x^{12}\times z^{11}}{x^2\times z^4}$ is $x^{10}z^7$ </h3>

Step-by-step explanation:

Given expression is x to the 12th power times z to the 11th power all over x to the 2nd power times z to the 4th power.

The given expression can be written as $\frac{x^{12}\times z^{11}}{x^2\times z^4}$

<h3>To choose the correct simplification of the given expression :</h3>

Now we have to simplify the given expression as below

$\frac{x^{12}\times z^{11}}{x^2\times z^4}$

$=x^{12}\times z^{11}(x^{-2}\times z^{-4})$ ( by using the identity $\frac{1}{a^m}=a^{-m}$ )

$=(x^{12}.x^{-2})\times (z^{11}.z^{-4})$

$=x^{12-2}\times z^{11-4}$ ( by using the identity $a^m.a^n=a^{m+n}$ )

$=x^{10}\times z^7$

$=x^{10}z^7$

∴ $\frac{x^{12}\times z^{11}}{x^2\times z^4}=x^{10}z^7$

<h3>The correct simplification for the given expression $\frac{x^{12}\times z^{11}}{x^2\times z^4}$ is $x^{10}z^7$ </h3><h3>Hence option A) $x^{10}z^7$ is correct answer.</h3>

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3 years ago

Pls answer this now pls i beg u i need to past it on school :) thank you so much

ELEN [110]

Answer: 13.85kg Hope this helps, please consider making me Brainliest.

Step-by-step explanation:

Let's add! 7 1/4 + 6 3/5 = 7.25 + 6.6

7 + 6 + .25 + .6 = 13 + .85 =

13.85

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1 year ago

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Step-by-step explanation:

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2 years ago