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kozerog [31]
3 years ago
10

Express the interval shown on the number line in interval notation.

Mathematics
1 answer:
Elis [28]3 years ago
7 0

Answer:

[-7, infinity)

Step-by-step explanation:

solid dot on -7 so [

arrow is to positive infinity

infinity always use )

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Fred sold 14 rolls of wrapping paper for a band fundraiser earning the band $17.50. Sharon sold 16 rolls of wrapping paper and e
steposvetlana [31]

Answer: 1.25 dollars per roll


Step-by-step explanation:

If  the relationship is graphed with the number of rolls sold on the x-axis and the money earned on the y-axis

Then the two points on that line will be (14,17.50) and (16,20)

We know that the slope of a lien with points (x_1,y_1)\ and\ (x_2,y_2) is give by:-

Slope=\frac{y_2-y_1}{x_2-x_1}

Hence, the slope of the graph with points  (14,17.50) and (16,20) is given by :-

Slope=\frac{20-17.50}{16-14}=\frac{2.50}{2}=1.25

Therefore, the slope of the graph = 1.25 dollars per roll.

4 0
4 years ago
Please help me with this problem :)
8_murik_8 [283]

Answer:

d.

Step-by-step explanation:

The red graph is the black one times 2.

So y = 2 f(x). which is the same as y/2 = f(x) (divide by 2).

7 0
4 years ago
Read 2 more answers
Which of the following are similar
kupik [55]
The answer for this question is A
5 0
4 years ago
Standard form for 625,087 regular number
SpyIntel [72]

Answer:

The standard for 625,087 is 625,087.

Step-by-step explanation:

Standard form is a way to write numbers using digits and as 625,087 is already written out in digits, it's already in it's standard form.

3 0
4 years ago
I don’t understand what it means by find the mid points someone pls help I’m so behind
Anestetic [448]
Most likely they’re asking you to find the point in the middle of the lines? If yes, use the formula ((x1+x2)/2,(y1+y2)/2). Hope this helps!
5 0
3 years ago
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