Answer:
Mal would have to drive 300 miles to have both plans cost the same.
Step-by-step explanation:
Plan 1:
43.98+0.14X
Plan 2:
49.98+0.12x
Make the inequality: 43.98+0.14x = 49.98+0.12x
Subtract 43.98 from both sides of the equation.
0.14x = 6+0.12x
Subtract 0.12x from both sides of the equation.
0.02x = 6
Divide 0.02 from both sides.
x = 300
Hope this helps!
Answer:
25 and 57.
Step-by-step explanation:
Let the lowest number be x then the other is 2x + 7, So:
x(2x + 7) = 1425
2x^2 + 7x - 1425 = 0
2 * - 1425 = -2850 = -2 * 3 * 5 * 5 * 19
We need 2 numbers whose product is -2850 and whose sum is + 7.
These are 3 * 19 = 57 and -2* 5 * 5 = -50 so we write:
2x^2 - 50x + 57x - 1425 = 0 Now we factor by grouping:
2x(x - 25) + 57( x - 25) = 0)
(2x + 57) ( x - 25) = 0
x = -57, 25.
We ignore the negative as we are given that the number is positive,
x = 25 is one number and the other is 2(25) + 7 = 57.
Answer: $2405
Step-by-step explanation: explanation is in the attached picture file
It is a right triangle because a 3, 4, 5 triangle is always a right triangle. it is because it is a Pythagorean Triple. all the sides are whole numbers
The answer to the question is y=-4x+23
