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1 year ago

14

3 Edward is scuba diving. He stops 14.3 m below the surface to look at a fish.

1 answer:

Eddi Din [679]1 year ago

4 0

Answer:

<h3>a. 12 meters </h3>

Step-by-step explanation:

po ang sagot ko po

<h3>#CARRY ON LEARNING</h3>

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PLEASE HELLPPPP TYYY<br> Explain how calculating the surface area of a prism differs from a pyramid.

raketka [301]

Answer:

To find the surface area of a prism, find the area of a base and double it since the areas of the two bases are always equal. Then find the area of each side face, and add to the area of the bases. A pyramid has one base and triangular sides.

Step-by-step explanation:

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2 years ago

Finish the value of d 2d - 5 = 17

Mkey [24]

D is 11

2d - 5 = 17 add 5 to both sides

2d = 22 divide by 2

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2 years ago

What is 8/9 simplified

Rufina [12.5K]

Answer:

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Step-by-step explanation:

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2 years ago

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[tex]cos {}^{4} α+sin {}^{4} α= \frac{1}{4} (3+cos4α)<br>Prove:<br>

asambeis [7]

Given:

$\cos^4 \alpha+\sin^4\alpha=\dfrac{1}{4}(3+\cos 4 \alpha)$

To prove:

The given statement.

Proof:

We have,

$\cos^4 \alpha+\sin^4\alpha=\dfrac{1}{4}(3+\cos 4 \alpha)$

$LHS=\cos^4 \alpha+\sin^4\alpha$

$LHS=(\cos^2 \alpha)^2+(\sin^2 \alpha)^2$

$LHS=(\cos^2 \alpha+\sin^2\alpha)^2-2\sin ^2\alpha\cos^2 \alpha$ $[\because a^2+b^2=(a+b)^2-2ab]$

$LHS=(1)^2-2(1-\cos^2 \alpha)\cos^2 \alpha$ $[\because \cos^2 \alpha+\sin^2\alpha=1]$

$LHS=1-2\cos^2 \alpha+2\cos^4 \alpha$

Now,

$RHS=\dfrac{1}{4}(3+\cos 4 \alpha)$

$RHS=\dfrac{1}{4}[3+(2\cos^2 2\alpha-1)]$ $[\because \cos 2\theta=2\cos^2\theta -1]$

$RHS=\dfrac{1}{4}[2+2\cos^2 2\alpha]$

$RHS=\dfrac{1}{4}[2+2(2\cos^2 \alpha-1)^2]$ $[\because \cos 2\theta=2\cos^2\theta -1]$

$RHS=\dfrac{1}{4}[2+2(4\cos^4 \alpha-4\cos \alpha+1)]$ $[\because (a-b)^2=a^2-2ab+b^2]$

$RHS=\dfrac{1}{4}[2+8\cos^4 \alpha-8\cos \alpha+2]$

$RHS=\dfrac{1}{4}[4+8\cos^4 \alpha-8\cos \alpha]$

$RHS=1+2\cos^4 \alpha-2\cos \alpha$

$RHS=1-2\cos^2 \alpha+2\cos^4 \alpha$

$LHS=RHS$

Hence proved.

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2 years ago

To make the perfect shoe shade of green paint, Tyler mixes 14 ounces of yellow paint with 10 ounces of blue paint. How many ounc

dimaraw [331]

14:10 as a ratio.. Hope this helps

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3 years ago

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