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BlackZzzverrR [31]

3 years ago

6

for the problem 135 divided by 5 draw two different ways to break apart the array use the distributive property to write product

s for each different way

1 answer:

Zanzabum3 years ago

8 0

So first use long divsion and dived 135 by 5 and make that many groups containg 5 or the other way around as you are distributing the prouduct

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How to solve number 1?

Archy [21]

$E(x)=5(x-1)(x+2)-(x+2)^2\\\\1)\ 5(x^2+2x-x-2)-(x^2+2x\cdot2+2^2)\\=5(x^2+x-2)-(x^2+4x+4)\\=5x^2+5x-10-x^2-4x-4\\=4x^2+x-14\neq4x^2+x+1\\\\2)\ E(x)=1\ for\ E(x)=4x^2+x+1\\\\4x^2+x+1=1\ \ \ \ |subtract\ 1\ from\ both\ sides\\4x^2+x=0\\x(4x+1)=0\iff x=0\ \vee\ 4x+1=0\\x=0\ \vee\ 4x=-1\\\boxed{x=0\ \vee\ x=-0.25}$

$3)\ H(x)=9x^2-(2x+1)^2\\\\a.\ H(x)=(3x)^2-(2x+1)^2=[3x-(2x+1)](3x+2x+1)\\=(3x-2x-1)(5x+1)=(5x+1)(x-1)\\\\b.\ H(x)=0\\\\(5x+1)(x-1)=0\iff5x+1=0\ \vee\ x-1=0\\5x=-1\ \vee\ x=1\\\boxed{x=-0.2\ \vee\ x=1}$

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3 years ago

8TH GRADE MATH<br> PLEASE HELP ME

stira [4]

Answer:

m<HIG and alternate interior angles

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Exercise 5<br />Part 1<br />Calculate by justifying the measurement of angles: CAD and CDA<br />B<br />4

natulia [17]

Hello, I hope ur having a great day! :)

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3 years ago

Fiona bought these exercise aids. Each one measures approximately 25 inches around its base. How can Fiona find the area of an a

Stolb23 [73]

The area of an exercise aid that is textured from the information regarding Fiona is 50 inches².

<h3>How to calculate the area?</h3>

From the information given, the measures or the exercise aid is approximately 25 inches around its base. Therefore, the radius will be calculated thus:

2πr = 25

(2 × 3.142 × r) = 25

6.284r = 25

r = 25/6.284

r = 3.978 = 4

Therefore, the area will be:

= πr²

= 3.142 × 4²

= 50 inches²

Learn more about area on:

brainly.com/question/25292086

#SPJ1

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Nadya [2.5K]

I believe the answer is 264, but if it’s not 11 and it’s 22 then the answer is 528!! Mark me brainliest please!!!!❤️

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