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aniked [119]
3 years ago
10

Please show your work

Mathematics
1 answer:
evablogger [386]3 years ago
3 0

Answer:

y = x/3 - 2 or f(x) = x/3 - 2

Step-by-step explanation:

f(x) = y

y = 3x + 6

To solve for inverse change y to x and x to y and solve for y.

x = 3y + 6 //Subtract 6 on both side

x - 6 = 3y //Divide 3 on both side

x/3 - 6/3 = y //Simply

y = x/3 - 2

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Zia has a slab of concrete in the shape of a parallelogram.
Aleksandr [31]

Answer:

270 in²

Step-by-step explanation:

The area of a parallelogram is given by the formula A = bh.

The base of the parallelogram is 9+9 = 18 inches.

The height of the parallelogram is 15 inches.

This makes the area 15(18) = 270 in²

7 0
3 years ago
Read 2 more answers
2 Points
OlgaM077 [116]

Square and Rhombus are the following quadrilaterals have diagonals that are always  perpendicular to each other.

C. Square

D. Rhombus

<u>Step-by-step explanation:</u>

This implies the diagonals of a square and rhombus are perpendicular. The diagonals of a square and rhombus are a similar length. In elementary geometry, the property of being opposite is the connection between two lines which meet at a right angle. The property stretches out to other related geometric items.  

Principally Perpendicular lines will be lines that cross at a right (90 degrees) edge. so when it goes under shape rhombus and square have the equivalent of a considerable number of sides parallelly.

5 0
4 years ago
Read 2 more answers
Nelda baked two kinds of pasta in pans. Each pan was the same size she sliced one pan of pasta into 4 equal pieces. She sliced t
Lemur [1.5K]

Answer:

2

Step-by-step explanation:

I found this be adding 4 and 6, witch is 2.

6 0
3 years ago
Read 2 more answers
In a certain computer, the probability of a memory failure is 0.01, while the probability of a hard disk failure is 0.02. If the
ratelena [41]

Answer:

We need to remember that we have independent events when a given event is not affected by previous events, and we can verify if two events are independnet with the following equation:

P(A \cap B) = P(A) *P(B)

For this case we have that:

P(A) *P(B) = 0.01*0.02= 0.0002

And we see that 0.0002 \neq P(A \cap B)

So then we can conclude that the two events given are not independent and have a relationship or dependence.

Step-by-step explanation:

For this case we can define the following events:

A= In a certain computer a memory failure

B= In a certain computer a hard disk failure

We have the probability for the two events given on this case:

P(A) = 0.01 , P(B) = 0.02

We also know the probability that the memory and the hard drive fail simultaneously given by:

P(A \cap B) = 0.0014

And we want to check if the two events are independent.

We need to remember that we have independent events when a given event is not affected by previous events, and we can verify if two events are independnet with the following equation:

P(A \cap B) = P(A) *P(B)

For this case we have that:

P(A) *P(B) = 0.01*0.02= 0.0002

And we see that 0.0002 \neq P(A \cap B)

So then we can conclude that the two events given are not independent and have a relationship or dependence.

8 0
3 years ago
A calculus exam has a mean of µ = 73 and a standard deviation of σ = 4. Trina's score on the exam was 79, giving her a z-score o
kirza4 [7]

Answer:

I get z = +1.8

x= 79

m= 73;s= 4;z= (x-m)/s= 1.5

hope it helps you

7 0
4 years ago
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