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3 years ago

9

Jim has a bank account balance of $-15.46 as soon as he realizes this he deposit $25.50 in the account what is James bank accoun

t balance after the deposit is made

1 answer:

Katarina [22]3 years ago

4 0

$10.4 maybe I don't really know

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A group of 72 children completed a survey on what kind of sport they like. The choices were: Chess, Swimming, and Football. Ever

hichkok12 [17]

Answer:

$\dfrac{17}{72}$

Step-by-step explanation:

From the given information:

Total number of students, $n(U)=72$

The choices were: Chess(C), Swimming(S), and Football(F).

Everyone liked at least one sport except 7 kids, $n( C \cup F \cup S)'=7$

Chess is not an active sport; and

10 children liked Chess only, $n( C \cap F' \cap S')=10$

The probability that a randomly-chosen child from this group does not like active kinds of sport is the Probability that a student plays chess only or like no kind of sport at all.

$P( C \cup F \cup S)'+P(C \cap F' \cap S')=\dfrac{n( C \cup F \cup S)'+n(C \cap F' \cap S')}{n(U)} \\=\dfrac{10+7}{72} \\=\dfrac{17}{72}$

8 0

3 years ago

Let event Aequalssubject is telling the truth and event Bequalspolygraph test indicates that the subject is lying. Use your own

pochemuha

Answer:

C is the right answer

Step-by-step explanation:

In this case we have the events

<em>A: The subject is telling the truth. </em>

<em>B: The the polygraph indicates that the subject is lying </em>

Recall that P(B|A) is defined as the probability that the event B occurs given that the event has already occurred, and is equals to P(B∩A)/P(A).

So, with the events we have defined, <em>P(B|A) indicates the probability that the polygraph indicates lying given that the subject is actually telling the truth. </em>

The most suitable answer is thus, C

3 0

3 years ago

An isosceles right angled triangle is shown. The area of the triangle is 200cm squared.Work out the value of the x

Licemer1 [7]

Answer:

x=20 cm

Step-by-step explanation:

Let x be the length of equal sides.

Area of triangle= $200cm^2$

We have to find the values of x.

We know that

Area of right triangle= $\frac{1}{2}bh$

Where b=Base of triangle

h=Height of triangle

Using the formula

Area of right triangle= $\frac{1}{2}x^2$

$200=\frac{x^2}{2}$

$x^2=200\times 2$

$x^2=400$

$x=\sqrt{400}$

$x=20cm$

Hence, the value of x=20 cm

8 0

3 years ago

What's the difference between 126 1/4 and 78 2/3

anygoal [31]

126 1/4 - 78 2/3 = ?
turn into mixed fractions
504/4 - 236/3 =?
find the least common denominator
1512/12 - 944/12 = ?
subtract
568/12
turn into improper fraction
47 1/3

The difference <span>between 126 1/4 and 78 2/3 is 47 1/3</span>

5 0

3 years ago

What is the inverse of y=pi/2+sin x

Alekssandra [29.7K]

Answer:

$f^{-1}(x)=\sin ^{-1}(x-\frac{\pi}{2})$

Step-by-step explanation:

The given function is

$y=\frac{\pi}{2}+\sin x$

To find the inverse of this function, we interchange x and y.

$x=\frac{\pi}{2}+\sin y$

we now solve for y.

$x-\frac{\pi}{2}=\sin y$

Take the sine inverse of both sides to obtain;

$\sin ^{-1}(x-\frac{\pi}{2})=y$

Hence the inverse of the given function is;

$f^{-1}(x)=\sin ^{-1}(x-\frac{\pi}{2})$

where $\frac{\pi}{2}-1\le x\le \frac{\pi}{2}+1$

6 0

3 years ago

Read 2 more answers