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kirza4 [7]
3 years ago
9

when functions are used to model real-world situations, the domain and range of the function must be restricted, explain why res

trictions are necessary
Mathematics
2 answers:
marysya [2.9K]3 years ago
7 0
The answer if c. 2-5=7
koban [17]3 years ago
5 0

Answer:

For the pnts sorry bois

Step-by-step explanation:

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What two numbers add up to 10 and multiply to 21
WITCHER [35]

Answer:The answer is 3 & 7

Step-by-step explanation:3 x 7 = 21

3 + (7) = 10

Are you asking because you are trying to figure out how to factor the following quadratic equation?

x2 + 10x + 21 = 0

If so, the solution to factor the quadratic equation above is:

(X + 3 ) (X + 7)

To summarize, since 3 and 7 multiply to 21 and add up 10, you know that the following is true:

x2 + 10x + 21 = (X + 3 ) (X + 7)

3 0
3 years ago
Can someone please explain how to do this problem?
GarryVolchara [31]
For x= -1, find -1 on the x axis and draw a vertical line. For y=6, look for 6 on the y axis and draw a horizontal line.
3 0
4 years ago
Read 2 more answers
Find the number, if 2.5 of it is 0.75
garri49 [273]

Step-by-step explanation:

Let number be X

Therefore 2.5 of X = 0.75

X = 0.75/2.5

= 0.3

8 0
3 years ago
Here is a scale drawing of a window frame that uses a scale of 1 cm to 6 inches.Create another scale drawing of the window frame
Tresset [83]

Answer:

Step-by-step explanation:

Below is the rectangle in the attachment.

Current scale:

1 cm : 6 inches

If the dimensions of the rectangle is:

Length = a cm

Width = b cm

Using the scale:

Length = a × 6 inches

Width = b × 6 inches

Using the same dimensions of the rectangle is:

Length = a cm

Width = b cm

Using the scale:

Length = a × 12 inches

Width = b × 12 inches

Note that there is an enlargement of the rectangle to form the new rectangle. The length and width of new rectangle drawn will be 2 × the length and width of the rectangle seen below.

8 0
3 years ago
Why is 3 plus pi irrational?
Vanyuwa [196]

Answer:

3 + \pi is irrational, as \pi is an irrational number in itself, not being able to change into a fraction as it is a non-terminated number.

~

5 0
3 years ago
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