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Iteru [2.4K]
3 years ago
6

Using the point slope equation find the equation consisting (4,9) and slope m=-3

Mathematics
1 answer:
alexira [117]3 years ago
6 0
-3x4=-12
9+-12=-4

So the y-intercept is -4
Since you already know the gradient you can form:

y = -3x -4
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a rectangular image that measures 8.5 meters inches by 11 inches is scaled down so that logest side of the image is 2.2 meters.
belka [17]

The scale factor of the image which is the ratio of the longest side of image and the longest side of the actual rectangle is 0.259

<u>Actual Dimension of rectangle</u> :

  • Longest side = 8.5 meters

<u>Scaled dimension of the rectangle</u> :

  • Longest side = 2.2 meters

<u>To obtain the scale factor used to produce the image</u> :

  • Longest side of image ÷ Longest side of actual triangle

  • 2.2 meters ÷ 8.5 meters

  • Scale factor = 0.259

Therefore, the scaled factor used to produce the image of the rectangle is 0.259

Learn more :brainly.com/question/13218948

3 0
3 years ago
Millie borrowed $20 from her dad. Explain why this situation indicates a negative number for Millie even though $20 is a positiv
Nata [24]
Millie will have to pay the $20 back, and as she already has no money, she's now $20 in debt
7 0
3 years ago
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Susie opens a simple interest checking account after 6 months her account grew from $500 to $508.75 what is the interest rate on
olya-2409 [2.1K]

Answer:

3.5 %

Step-by-step explanation:

508.75 - 500 = 8.75

8.75 = (500) (r) (0.5)

8.75/250 = (250) (r)/250

.035 = r

Move the decimal two places to the right to get 3.5%.

Hope this helps and best of luck!

Feel free to message me if you need more help! :)

3 0
3 years ago
What are the x-coordinates of the solutions to this system of equations?
likoan [24]

Answer:

Option A  -4 and 0

Step-by-step explanation:

we have

x^{2}+y^{2} =16 -----> equation A

This is the equation of a circle with center at the origin and radius 4 units

y=x+4 -----> equation B

This is the equation of a line

we know that

The solution of the system of equations is the intersection point both graphs

using a graphing tool

The intersection points are (-4,0) and (0,4)

see the attached figure

therefore

the x-coordinates of the solution are -4 and 0

6 0
3 years ago
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Emma drank 1/4 of a milkshake in 1/12 of a minute. How many minutes will it take her to drink a full milkshake?
AVprozaik [17]
4 minutes (I’m not a pro but I’m making a guess)
8 0
4 years ago
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