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wariber [46]
3 years ago
12

Which two numbers have a sum of 15 and a product of 36

Mathematics
1 answer:
kap26 [50]3 years ago
5 0

Answer:  3  and  12

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

Let x represent one of the numbers and y represent the other number. Then,

Sum:      x + y = 15      →    y = 15 - x

Product: xy  = 36


Use substitution method by replacing "y" with "15 - x" in the second equation, then solve for x:

x(15 - x) = 36

15x - x² = 36

       0  =  x² - 15x + 36

       0  =  (x - 3)(x - 12)

 0 = x - 3     and       0 = x - 12

 x  = 3                       x = 12

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Hitman42 [59]

Answer:

28

Step-by-step explanation:

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8 0
2 years ago
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Bill is bisecting an angle with technology Which of the following describes his next step?
maw [93]

Answer:

  Mark point E where the circle intersects segment BC

Step-by-step explanation:

Apparently, Bill is using "technology" to perform the same steps that he would use with compass and straightedge. Those steps involve finding a point equidistant from the rays BD and BC. That is generally done by finding the intersection point(s) of circles centered at D and "E", where "E" is the intersection point of the circle B with segment BC.

Bill's next step is to mark point E, so he can use it as the center of one of the circles just described.

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<em>Comment on Bill's "technology"</em>

In the technology I would use for this purpose, the next step would be "select the angle bisector tool."

6 0
3 years ago
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A gift box is a rectangular prism. The box measure 8 inches by 10 inches by 3 inches. What is it’s surface area?
MakcuM [25]

Answer:

the answer is 80 i think

Step-by-step explanation:

bc dependng on  2lw+2lh+2hw, formula 8 and 10 would be length and width

Lets say

8=width

10=lenght

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u would do

2 x l x w   + 2 x l h + 2 x h x w=

2 x 10 x 8 + 2 x 10 x 3 + 3 x 8=

160 +            60       +      48+=

268 is the sa

pls brainliest and more points :0

8 0
3 years ago
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Olin [163]

the answer is 16 because .80 times 20 is 16

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Step-by-step explanation:

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