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3 years ago

Factor 8x squared + 22x + 15

Mathematics

1 answer:

ivann1987 [24]3 years ago

6 0

(4x +5)(2x +3) that woudl be the factors

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Sergio is working on a research project involving the ages of students at Brooklyn College. After interviewing 500 students, he

Zinaida [17]

Answer:

The probability of of a randomly chosen student being exactly 21 years old.

= 1.293

Step-by-step explanation:

<em>Given Population size n = 500</em>

<em>Mean of the Population = 20 years and 6 months</em>

<em> = </em> $20 + \frac{6}{12} = 20 +0.5 = 20.5 years$ <em></em>

<em>Standard deviation of the Population = 2 years</em>

Let 'X' be the range of ages of the students on campus follows a normal distribution

Let x =21

$Z = \frac{x-mean}{S.D}$

$Z = \frac{x-mean}{S.D} = \frac{21-20.6}{2} =0.2$

<em>The probability of a randomly chosen student being exactly 21 years old.</em>

= 0.5 +0.793

= 1.293

6 0

3 years ago

I am flooding these ( T_T)

dimulka [17.4K]

That should be 5 2/3 qt.

7 0

3 years ago

According to the survey. there are more Andoroid (A) users than Apple (I) users

timofeeve [1]

<h2>Users tahn apple </h2>

<h2>Hope you get the answer.... ❤️ ❤️ ❤️ ❤️ </h2>

7 0

3 years ago

Find the area of each figure. Use 3.14

madreJ [45]

I think its 18.24 because if you multiply it by 3.14 then subtract u should get 18.24

7 0

3 years ago

(fog)(x). F(x)=3x, g(x)=x+7

ivann1987 [24]

For this case we have the following functions:

$f (x) = 3x\\g (x) = x + 7$

We must find $(f_ {0} g) (x)$ . By definition we have to:

$(f_ {0} g) (x) = f (g (x))$

So:

$f (g (x)) = 3 (x + 7) = 3x + 3 * 7 = 3x + 21$

Finally, the composite function is:

$(f_ {0} g) (x) = 3x + 21$

Answer:

$(f_ {0} g) (x) = 3x + 21$

4 0

3 years ago