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3 years ago

7

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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Find the inverse of the function y = x2 - 12.

Semmy [17]

Good evening ,

Answer:

The inverse of the function y = x² - 12 is

x = √(y + 12)

Step-by-step explanation:

for y ≥ -12 :

x² - 12 = y ⇔ x² = y + 12 ⇔ x = √(y + 12).

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2 years ago

Write the decimal equivalent for this fraction 70/100

d1i1m1o1n [39]

Answer:

0.7 is the decimal equivalent to 70/100.

Step-by-step explanation:

You can just do the numerator (70) divided by the denominator (100): 70÷100 = 0.7

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Determine whether the integral is convergent or divergent. ∫[infinity] 2 e^−1/x / x^2 dx : O Convergent O divergent If it is con

monitta

Let $f(x)=e^{-1/x}$ . Then $f'(x)=\frac1{x^2}e^{-1/x}>0$ for all $x\ge2$ , so $f$ is strictly increasing. As $x\to\infty$ , $e^{-1/x}\to e^0=1$ , so $f$ is bounded above by 1. This is to say,

$e^{-1/x}$

and the integral of $\frac1{x^2}$ converges over the same domain, so this integral must also converge by comparison.

We have, by setting $y=-\frac1x$ ,

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2 years ago

Ben was paid less than $240 for working 4 days. He was paid $90

irina1246 [14]

Answer:

$50 each day

Step-by-step explanation:

240 - 90 = 150

150 / 3 = 50

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A club raised 80% of its goal for a charity. The club raised $1076. What was the goal?

4vir4ik [10]

Answer:

860.8

Step-by-step explanation:

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2 years ago