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Fudgin [204]
3 years ago
5

Randy wants to draw isosceles right triangles on a coordinate plane that have two vertices at (-1,6) and (-1,-2). If the coordin

ates of the third vertex are both integers, how many different isosceles right triangles can she draw?
Mathematics
1 answer:
Travka [436]3 years ago
7 0

Answer:

Two isosceles right triangles. p_{3} = (-9,-2) and p_{3'} = (7,-2)

Step-by-step explanation:

The length of one side is:

l_{1} = \sqrt{[-1 - (-1)]^{2}+[6 - (-2)]^{2}}

l_{1} = 8

An isosceles right has two sides of identical length, which are both legs and perpendicular to each other. There are two possibilities:

p_{3} = (-1 - 8, -2)

p_{3} = (-9,-2)

p_{3'} = (-1 + 8, -2)

p_{3'} = (7,-2)

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ASAP HELP!!
AVprozaik [17]
FIRST SOLUTION!
first number = x
second number = x+2
third number = x+4
fourth number=x+6
fifth number=x+8
sixth number=x+10
seventh number=x+12

add all of those up and combine like terms to get 7x+42=357. Now subtract 42 from both sides to get 7x=315. Next, divide both sides by 7 to get x=45. To get the numbers, plug in 45 for x.

Your numbers should be 45,47,49,51,53,55, and 57.
4 0
3 years ago
Read 2 more answers
An apple grower finds that if he plants 80 trees per acre, each tree will yield 26 bushels of fruit. He estimates that for each
hammer [34]

Answer: The maximum revenue is $7482 . To get a maximum yield , The number of trees per acre needed is 43.

Step-by-step explanation:

Solution:

Let x represent the extra tree

So for an additional tree the yield of each tree will decrease by 4 bushels.

(80 +x)(26-4x) by expanding

2080 - 320x +26x -4x^2

Using x= -b/2a

X= 294/ -8

X= - 36.75

So apparently he currently has far too many trees per acre. To get the maximum yield , she needs to reduce the number of trees per acre by 36.75

So the number of trees per acre for maximum yield is

80-36.75

=43.25

Approximately x=43

So by reducing he get extra bushel in the tune of 174.

Total revenue= 174 ×43× 1$

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3 0
3 years ago
Can someone please help me on the second on please thanks:)
eimsori [14]
Since she spent $9.72 and deposited $9.72 her bank balance did not change at all. She basically paid off how much she spent on lunch on Wednesday.
7 0
3 years ago
Read 2 more answers
In the figure, Line a is parallel to line b. If angle 1 = 105º what is the measurement of angle 6?
vlabodo [156]

Answer:

75

Step-by-step explanation:

angle 4 is 75 because it forms a linear pair with angle 1, and 6 is alternate interior with 4 which makes it equal

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2 years ago
1( below is the pre image dilate by a factor of 2
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