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3 years ago

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The number of library books increased by 20% after it bought new books in May. The number increased by another 20% after someone

donated 300 more books in June. Find the number of books in the library before it bought new books in May.
Please help I'm confused!!

1 answer:

anygoal [31]3 years ago

4 0

Answer:

Step-by-step explanation:

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Please help, summer depends on it.

JulsSmile [24]

Answer:

y=2x-8

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3 years ago

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Which methods could you use to calculate the y-coordinate of the midpoint of vertical line segment with endpoints at (0,0) and (

Hatshy [7]

Answer:

Midpoint formula.

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Step-by-step explanation:

This is one method. A list wasn't provided.

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3 years ago

Help please, tank u :)

elena-s [515]

Answer:

16 ft

Step-by-step explanation:

Let the width of the rectangle be x ft

Therefore, length = (x + 2) ft

Area of the rectangle = 15 square ft

$x(x + 2) = 15 \\ \\ {x}^{2} + 2x = 15 \\ \\ {x}^{2} + 2x - 15 = 0 \\ \\ {x}^{2} + 5x - 3x - 15 = 0 \\ \\ x(x + 5) - 3(x + 5) = 0 \\ \\ (x + 5)(x - 3) = 0 \\ \\ x + 5 = 0 \: or \: \: x - 3 = 0 \\ \\ x = - 5 \: \: or \: \: x = 3 \\ \\ \because \: x \: can \: not \: be \: - ve \\ \\ \therefore \: x = 3 \\ \\ \implies \: x + 2 = 3 + 2 = 5 \\ \\ perimeter \: of \: rectngle \\ = 2(5 + 3) \\ = 2 \times 5 \\ = 16 \: ft$

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3 years ago

Please help with this question. Thanks.

Kipish [7]

Answer:

FJH is an obtuse angle, so it is automatically larger than 90. Answer is D.

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3 years ago

8. Stephanie bought a pair of earrings for $3.25 and a necklace for

Marysya12 [62]

Answer:

the answer is 9.56

Step-by-step explanation:

3.25 + 5.25 = 8.50 ÷ 8 = 1.06 + 8.50 = 9.56

hope it helps :)

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2 years ago