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leva [86]
3 years ago
12

Does every ray have a line segment

Mathematics
1 answer:
amid [387]3 years ago
5 0
Yes every ray has a line segment in one direction and goes on forever in the other direction
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For 7 and 8, find the maximum or minimum point of the parabola​
Leni [432]

Answer: 7) Max: y = 52

               8) Min: y = -51  

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

The Max/Min is the y-value of the intercept.

  • Max is when the a-value is negative.
  • Min is when the a-value is positive.

First, find the x-value of the vertex using the Axis of Symmetry formula:

x = -b/2a. Then plug the x-value into the equation to find the y-value.

7) y = -2x² - 16x + 20

          ↓       ↓       ↓

     a= -2   b= -16  c=20

\text{AOS:}\quad x=\dfrac{-b}{2a}\quad =\dfrac{-(-16)}{2(-2)}\quad =\dfrac{16}{-4}\quad =-4

Max: y = -2(-4)² - 16(-4) + 20

           = -2(16) + 64 + 20

           = -32 + 84

          = 52

*********************************************************************************************

7) y = x² + 12x - 15

        ↓      ↓      ↓

   a= 1   b= 12  c= -15

\text{AOS:}\quad x=\dfrac{-b}{2a}\quad =\dfrac{-(12)}{2(1)}\quad =\dfrac{-12}{2}\quad =-6

Max: y = (-6)² + 12(-6) - 15

           = 36 - 72 - 15

           = 36 - 87

          = -51

8 0
3 years ago
Can you please help me with this question:)
MissTica

Answer:

D

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
On a​ map, 1 inch equals 10 miles. Two cities are 8 inches apart on the map. What is the actual distance between the​ cities?
cestrela7 [59]

Answer:

80 inches the reason for this is 10 times 8 equals 80

5 0
3 years ago
To improve his basketball skills, Troy decides to practice six times as many free throws and four times as many jump shots every
noname [10]
The answer is B. 6f+4j
6 0
4 years ago
Read 2 more answers
Can u please do 1,2
Sidana [21]
1) First, you have to add all the 3 pieces of wood
10+7.5+12= 29.5 ft.
Second, you have to add the pieces that he has used
5.2 +6.2= 11.4 ft
Third, you have subtract the used wood from the whole wood to get how many feet he didn't use
29.5 - 11.4=18.1 ft.
I hope it helped. But, sorry don't know how to do number 2.
7 0
3 years ago
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