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3 years ago

I'm stuck on this. Please help!!

Mathematics

2 answers:

vaieri [72.5K]3 years ago

4 0

Remark

No small wonder (that you are stuck). It is one of those problems that is not really a math problem at all. It is a reading question. What you have to catch is the word altitude. Since that 30500 has no variable associated with it, that number must be an altitude.

That being the case, 500 feet has been added to F(x) to get to g(x)

Answer

F (the top answer)

Sveta_85 [38]3 years ago

3 0

I think it is F, but I am a not sure.

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How to square imaginary numbers

IrinaVladis [17]

1.Take the principle square root of a negative number.
2 Write a complex number in standard form.
3.Add and subtract complex numbers.
4.Multiply complex numbers.
5. Divide complex numbers.

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3 years ago

Read 2 more answers

A particular sale involves four items randomly selected from a large lot that is known to contain 9% defectives. Let X denote th

umka2103 [35]

Answer:

The expected repair cost is $3.73.

Step-by-step explanation:

The random variable X is defined as the number of defectives among the 4 items sold.

The probability of a large lot of items containing defectives is, p = 0.09.

An item is defective irrespective of the others.

The random variable X follows a Binomial distribution with parameters n = 9 and p = 0.09.

The repair cost of the item is given by:

$C=3X^{2}+X+2$

Compute the expected cost of repair as follows:

$E(C)=E(3X^{2}+X+2)$

$=3E(X^{2})+E(X)+2$

Compute the expected value of X as follows:

$E(X)=np$

$=4\times 0.09\\=0.36$

The expected value of X is 0.36.

Compute the variance of X as follows:

$V(X)=np(1-p)$

$=4\times 0.09\times 0.91\\=0.3276\\$

The variance of X is 0.3276.

The variance can also be computed using the formula:

$V(X)=E(Y^{2})-(E(Y))^{2}$

Then the formula of $E(Y^{2})$ is:

$E(Y^{2})=V(X)+(E(Y))^{2}$

Compute the value of $E(Y^{2})$ as follows:

$E(Y^{2})=V(X)+(E(Y))^{2}$

$=0.3276+(0.36)^{2}\\=0.4572$

The expected repair cost is:

$E(C)=3E(X^{2})+E(X)+2$

$=(3\times 0.4572)+0.36+2\\=3.7316\\\approx 3.73$

Thus, the expected repair cost is $3.73.

4 0

3 years ago

D-1/2=1/2 solve for d please help

Illusion [34]

D=1
you add 1/2 to the other side of the equal sign which will then give you the value of d
1/2+1/2=1

8 0

3 years ago

John has $7.50 in his CashApp account. He spends $1.50 a day on a Chik Fil A chicken biscuit sandwich. After how many days will

DochEvi [55]

Answer:

5 days

Step-by-step explanation:

7.50 ÷ 1.50 = 5

7.50 - 1.50 = 6.00
6.00 - 1.50 = 4.50
4.50 - 1.50 = 3.00
3.00 - 1.50 = 1.50
1.50 - 1.50 = 0

8 0

3 years ago

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What is the length of the missing side? What is the area of the figure? Show ALL work.

guajiro [1.7K]

Answer:

Missing side=25 units.

Area of the figure= 470 sq units.

Step-by-step explanation:

The figure is made up of a rectangle and a triangle.

To get the base of the triangle, we find the difference between the two parallel sides, that is, 16ft and 31 ft.

31ft-16ft=15ft

The height of the triangle is 20 since it is parallel and equal to the length of the rectangle.

We therefore use pythagoras theorem to find ?

a²+b²=c²

15²+20²=c²

625=c²

c=25

ii. The figure is a trapezium therefore we use the following formula to find the area.

A= 1/2(a+b)h, where a and b are the two parallel sides. and h the distance between them.

=(1/2)(31+16)×20

=470 sq units

8 0

3 years ago