2 years ago

In April it rained 3put of 5 of days what is ratio of the days it rained to the number of days it did not rain

Mathematics

2 answers:

slavikrds [6]2 years ago

5 0

Answer:3.5 is the answer

harkovskaia [24]2 years ago

3 0

Answer:

The ratio is 3:5

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45 minutes to 1 hour ratio

Mariana [72]

$h-hour(s)\\min-minute(s)\\\\1h=60min\to45min=\dfrac{45}{60}h=\dfrac{45:15}{60:15}h=\dfrac{3}{4}h\\\\45min\ to\ 1h=\dfrac{3}{4}h:1h=\huge\boxed{3:4}$

7 0

3 years ago

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<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20x%20%7B%7D%5E%7B2%7D%20%20%2B%2012x%20%2B%2036" id="TexFormula1" title="f(x)

Mars2501 [29]

Answer:

Step-by-step explanation:

We are given the function:

$\displaystyle f(x) = x^2 + 12x + 36$

And we want to determine the value of:

$\displaystyle f^{-1}(225)$

Let this value equal <em>a</em>. In other words:

$\displaystyle f^{-1}(225) = a$

Then by the definition of inverse functions:

$\displaystyle \text{If } f^{-1}(225) = a\text{, then } f(a) = 225$

Hence:

$\displaystyle f(a) =225 = (a)^2 + 12(a) + 36$

Solve for <em>a: </em>

$\displaystyle \begin{aligned} 225 &= a^2 + 12a + 36 \\ \\ a^2 + 12a -189 &= 0 \\ \\ (a + 21)(a-9) &= 0\end{aligned}$

By the Zero Product Property:

$\displaystyle a + 21 = 0 \text{ or } a - 9 = 0$

Hence:

$\displaystyle a = -21 \text{ or } a = 9$

Thus, f(9) = 225. Consequently, f⁻¹(225) = 9.

In conclusion, our answer is B.

3 0

2 years ago

Can someone help me please

telo118 [61]

It's a reflection across the x axis, so the y intercept won't change (12)

f (x) = 3x + 12
|
\/
g(x) = -3x + 12

I MAY BE WRONG IM ONLY 80% SURE

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2 years ago

When Pheobe asked her friends about their Thanksgiving, 35% of her 60 friends said they had pumpkin pie for dessert. How many fr

nataly862011 [7]

Answer:

Step-by-step explanation:

I dunno, I used a calculator B)

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2 years ago

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HELPPPP IMMEDIATELY....

lana [24]

First you do what is inside the parentheses. 10 x 5 - 3. 50 - 3 =47. Then you multiply 47 x 5 = 235.

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2 years ago

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