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navik [9.2K]
3 years ago
7

If the coordinates of A and B are (14, -1) and (2, 1), respectively, the y-intercept of is and the equation of is y = x + .

Mathematics
1 answer:
Ann [662]3 years ago
7 0
Use the point-slop formula y-y1=m (x - x1) to find the equation of the line

Y= -1/6x + 4/3
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Some people were asked how long it takes them to commute to work. USe the data for 9-11
oksano4ka [1.4K]

Answer: mean

Step-by-step explanation: The mean is a more accurate answer because it’s finding the average of the answers where the median is just the center number of wide ranges numbers

5 0
2 years ago
Jan went grocery shopping and only bought items which had been marked down. The items she bought, along with their prices, can b
melamori03 [73]
<span>I copied your table and added one column and one line.
It is all explained below.

Item               Final Price    Markdown   Original Price
Chicken         $8.47            15%             $9.96
Milk               $2.16             20%             $2.70
Onions          $0.89             10%             $0.99
Potato chips  $1.45             12%             $1.65
Oranges        $1.36             25%             $1.81
Flour             $4.39             18%</span>              $5.35
Totals          $18.72                                $22.46

First, find each original price. To do that, change the markdown into a decimal. Then subtract it from 1. Then divide the discounted price by it. For example, for the chicken, the markdown is 15%. Change it to 0.15. Then 1 - 0.15 = 0.85. Now divide $8.47 by 0.85, and the original price is $9.96. I did that for all items and added the last column to the table above.

Now you add the discounted prices and add the original prices. I wrote them as the last line in the table above. Now you need to know what is the overall percent discount. Divide the total discounted price by the total original price.
18.72/22.46 = 0.83348 = 83.35%
The discounted price is 83.35% of the original price.
The original price is 100% of the original price.
The original price was 100% of the original price. The discounted price is 83.35% of the original price. Now subtract 100% - 18.35% = 16.65%.
The overall markdown was 16.65%
7 0
3 years ago
Read 2 more answers
You are constructing a cardboard box with the dimensions 4 m by 6 m. You then cut equal-size squares ( x by x squares) from each
Vlad1618 [11]

Answer:

0.785 m

Step-by-step explanation:

(4-2x)(6-2x)x = Volume

Volume = 4x³ - 20x² + 24x

Max volume: dV/dx = 0

dV/dx = 12x² - 40x + 24 = 0

3x² - 8x + 6 = 0

x = 2.54858377, 0.784749563

Max when d²V/dx² < 0

d²V/dx² = 6x - 8

At x = 0.784749563

6x - 8 = -3.29 < 0

7 0
2 years ago
Tony has twice as much money as Alicia. She has $16 less than Ralph. Together they all total $200. How much money does Tony have
svetoff [14.1K]

Tony has $62

hope this helps :)

8 0
2 years ago
the radius of a standard baseball is about 3 in. about how many square in of horsehide required to cover 100 balls, to the neare
ipn [44]

Answer:

Step-by-step explanation:The surface area of a sphere (the shape of a baseball) is given by the formula, SA = 4 (pi) r^2. Given the circumference of the circle, you can solve for the radius.  

The formula for circumference is C = 2 x pi x r.  

So input 9 for C and solve. 9 = 2 x pi x r.  

You will get that r is equal to about 1.43 in.  

Now put that r value into the surface area equation: SA = 4 (pi) 1.43^2  

You will get a surface area equal to about 25.7 in^2.  

Now multiply that number by the number of baseballs you need to cover, 100.  

I'll let you do that step by yourself since it's simple algebra and you're smart enough to figure it out ;)

3 0
3 years ago
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