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olga2289 [7]
3 years ago
8

Jason took a taxi from his home to the airport. the taxi driver charged an initial fee of $12

Mathematics
1 answer:
viva [34]3 years ago
3 0

Answer:

really explain the question more

Step-by-step explanation:

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NO LINKS!!!!!
8090 [49]

9514 1404 393

Answer:

  5x^2 +10x = -5

Step-by-step explanation:

The equation will have one solution when the discriminant is zero.

In standard form, the equation is ...

  ax^2 +10x -c = 0

The discriminant of the equation ax^2+bx+c=0 is  ...

  b^2 -4ac

so the discriminant of your equation is ...

  10^2 -4a(-c) = 100 +4ac

We want that to be zero, so we require ...

  100 +4ac = 0

  25 +ac = 0

  ac = -25

Any pair of values of 'a' and 'c' that have a product of -25 will satisfy the requirement. As you state, one possible pair is a = 5 and c = -5. Putting these values into the given equation makes it ...

  5x^2 +10x = -5 . . . . . the equation with a=5, c=-5

_____

<em>Additional comment</em>

Your problem statement does not require that 'a' be non-zero. If <em>a=0</em>, then the equation will have one real solution for <em>any value of c</em>.

If you restrict the solutions to integers, then possibilities include ...

  (a, c) = (1, -25), (5, -5), (25, -1), (-25, 1), (-5, 5), (-1, 25)

6 0
2 years ago
The area of the base of the oblique pentagonal pyramid is 50 cm^2 and the distance from the apex to the center of the pentagon i
Verdich [7]
The complete question in the attached figure

Part a) 
we know that
ABC is a right triangle
∠ACB=45°
AC=hypotenuse------> 6√2 cm
sin 45=AB/AC-----> AB=AC*sin 45----> AB=6√2*√2/2----> AB=6 cm

the answer part a) is
AB=6 cm

Part b) 
we know that
volume of the pyramid=(1/3)*Area of the base*height
area of the base=50 cm²
height=6 cm
so
volume of the pyramid=(1/3)*50*6----> 100 cm³

the answer part b) is 
100 cm³

5 0
3 years ago
20 points and brainliest answer for correct answer. Photo above. Due by 9:45 today! Hi
SSSSS [86.1K]

Answer:

146 square meters

Step-by-step explanation:

We can split the figure into a 6 by 15 rectangle and a parallelogram (8 base, 7 height).

  1. The area of the rectangle is 6•15=90
  2. The area of the parallelogram is 8•7=56
  3. 90+56=146
7 0
3 years ago
Which of the following answers is the value of x in this equivalent fraction?
Ira Lisetskai [31]
I just had the question and the correct answer is 36.
7 0
3 years ago
How to multiply 12.4 times 14.6
Nostrana [21]

Step-by-step explanation: do 124 times 146, then move the decimal 2 spaces to the left cuz it is 12.4 and 14.6, where the decimal place is moved to the left once in each, so 1 +1 =2, so move the decimal place 2 to the left

Answer: 181.04

3 0
3 years ago
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