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otez555 [7]
2 years ago
13

What is the discriminant of x^2-8x+7=0

Mathematics
1 answer:
tekilochka [14]2 years ago
3 0
The discriminant is 36!
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K divide by 6 + 8 = 5
VLD [36.1K]

Answer:

k= -18

Step-by-step explanation:

5 = (k/6) + 8 so 5-8 = k/6

-3=k/6 then -3 multiplied by 6 = k which is -18 = k

-18/6= -3

-3+8=5

5 0
4 years ago
How do you write an equation for "a number decreased by negative 7 is the same thing as 48
just olya [345]
N-(-7)=48 I'm not sure though
3 0
3 years ago
Read 2 more answers
Please help I will give points
iVinArrow [24]

Answer:

1/32

Step-by-step explanation:

...

8 0
3 years ago
The perimeter of a triangle is 17x−5 units. One side is 3x+5 units and another is 8x−3 units. How many units long is the third s
Debora [2.8K]

Answer:

17x−5 =85       3x+5 =15      8x-3= -24 here you can use this to find your awnser

Step-by-step explanation:

4 0
3 years ago
You have a wooden rod which is 24 1/2 inches long. Carlos needs a piece which is 8 3/4 inches long and Amanda needs a piece whic
ipn [44]

Answer:

8 3/4 inches

Step-by-step explanation:

Total length of the rod = 24 1/2 inches

Carlos = 8 3/4 inches

Amanda = 6 3/8 inches

length of the rod remaining = Total length - ( Carlos + Amanda)

= 24 1/2 - (8 3/4 + 6 3/8)

= 49/2 - (35/4 + 51/8)

= 49/2 - ( 75+51/8)

= 49/2 - 126/8

= 196-126/8

= 70/8

= 8 6/8 inches

= 8 3/4 inches

Length of rod remaining = 8 3/4 inches

6 0
4 years ago
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