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Dovator [93]
3 years ago
7

Tim has a large collection of books. The number of paperback books he owns is three less that four times the number of hard cove

r books. In total, Tim has 447 books. How many hard cover books does he own?
A). 90
B). 100
C). 110
D). 120
Mathematics
1 answer:
marishachu [46]3 years ago
8 0
Assume x = paperbook, y = hard cover books

x = 4y-3

4y - 3 + y = 447 \\ 5y = 450 \\ y = 90
The answer is A. 90

Hope this helps. - M
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First Image:         Option D

Second Image:   Option D

Third Image:       Option C

Fourth Image:     Option B

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Step-by-step explanation:

<u>First Image:</u>

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  • ? is an obtuse angle is any angle greater than 90° which checks the answer

<u>Second Image:</u>

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<u>Third Image:</u>

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<u>Fourth Image:</u>

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<u>Fifth Image:</u>

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Learn more about Triangles here: brainly.com/question/4186813

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2 years ago
Which of the following is a monomial???
aleksandrvk [35]
Monomial is a product of numbers and variables in any whole power.
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Monomial cannot have log,subtraction or addition, negative power.
x/y=xy⁻¹

So, only monomial here is A.y
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