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3 years ago

6

At Kennedy middle School, there are 239 e de students. Last year, SR + There were 197 students. What is the perc... Wange in the

eighth - Grade Enrollment? A. 17.6% increase B. 21.3% increase C. 82.4% increase D. 121% increase

1 answer:

andrey2020 [161]3 years ago

6 0

Sheeeeesh your school is hard djdjxjdjwnnwzhcb b129(858192029358((8

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Please help AS LEVEL c2 tell me how to work out

Korolek [52]

$\bf [1-tan(\theta)][2sin(\theta)+1]=0\implies 
\begin{cases}
1-tan(\theta)=0\\\\
1=tan(\theta)\\\\
tan^{-1}(1)=\theta\\\\
\qquad \frac{\pi }{4},\frac{5\pi }{4}\\
----------\\
2sin(\theta)+1=0\\\\
2sin(\theta)=-1\\\\
sin(\theta)=\frac{-1}{2}\\\\
sin^{-1}\left(-\frac{1}{2} \right)=\theta\\\\
\qquad \frac{7\pi }{6},\frac{11\pi }{6}
\end{cases}$

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3 years ago

assume the probability of having a boy or a girl is the same. what is the probability of have a boy then a girl then another gir

NNADVOKAT [17]

Answer:

$\dfrac{1}{8}$

Step-by-step explanation:

If the probability of having a boy or a girl is the same, then

the probability of having a boy = a probability of having a girl = 1/2.

Let B denote boy and G denote the girl.

The sample space of having three children is:

BBB, BBG, BGB, GBB, BGG, GBG, GGB, GGG.

The probabilities of each of those events is

$Pr(BBB)=Pr(BBG)=Pr(BGB)=Pr(GBB)=\\ \\=Pr(BGG)=Pr(GBG)=Pr(GGB)=Pr(GGG)=\\ \\=\dfrac{1}{2}\cdot \dfrac{1}{2}\cdot \dfrac{1}{2}=\dfrac{1}{8}.$

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4 years ago

Find the surface area <br><br><br> PLS HELP!!!

zlopas [31]

Answer:

SA = 838 in²

Step-by-step explanation:

SA = (15)(42) + (13)(8)(2) = 838 in²

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3 years ago

You and a classmate have a bug collection for science class. You find 5 out of every 9 bugs in the collection. You find 4 more b

Annette [7]

The answer is in the question, "<span>You find 5 out of every 9 bugs in the collection". So wouldn't there be 9 bugs in the collection and your classmate would've only found 1 bug?</span>

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4 years ago

Read 2 more answers

...Help Please.......

Tamiku [17]

Answer:

3

Step-by-step explanation:

The function is undefined when its denominator is zero. The value of x that makes the function undefined is the solution to

10x -30 = 0

x - 3 = 0 . . . . . divide by 10

x = 3 . . . . . . . . add 3

The value of x that is not in the domain of the function is x=3. The function is not defined for that value of x.

7 0

4 years ago