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2 years ago

... ...Help Please.....

Mathematics

2 answers:

yKpoI14uk [10]2 years ago

8 0

The Chevrolet will go farther

Because the Chevy has more gas and miles.

MrMuchimi2 years ago

7 0

The chevrolet is the correct answer. more everything

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VikaD [51]

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2 years ago

Which is the order of rotational symmetry for a rhombus

Dennis_Churaev [7]

Answer:

Order 2.

Step-by-step explanation:

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2 years ago

I am trying to remember how to do Write a two-column proof,

Klio2033 [76]

9514 1404 393

Explanation:

Make use of the properties of equality.

a = 2b +6 . . . . . given

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6 = 7b -8 . . . . . . . . . . . subtraction property of equality

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2 years ago

A box has a volume of 308 cm cubed. Its height is 4 cm greater than its length. Its length is 3 cm greater than its width. What

kifflom [539]

Answer:

4 cm.

Step-by-step explanation:

Given:

A box has a volume of 308 cm cubed.

Its height is 4 cm greater than its length.

Its length is 3 cm greater than its width.

Question asked:

What is the width of the box?

Solution:

Let width = $x\ cm$

Length = $x+3\ cm$

Height = $x+3+4=x+7\ cm$

As we know:

$Volume\ of\ box=length\times width\times height$

$308=(x+3)\times x\times(x+7)\\ \\ 308=(x^{2} +3x)(x+7)\\ \\ 308=x^{2} (x+7)+ 3x(x+7)\\ \\ 308=x^{3} +7x^{2} +3x^{2} +21x\\ \\ 308=x^{3} +10x^{2} +21x\\ \\ Subtract\ 308\ from\ both\ sides\\ \\ x^{3} +10x^{2} +21x-308=0\\ \\ factor\ left\ side\ of\ equation\\ \\ (x-4)(x^{2} +14x+77)=0\\ \\ Set\ factors\ equal\ to\ 0.\\ \\ x-4=0 \ or\ x^{2} +14x+77=0\\ \\ \\$