Answer:
B: (-infinity, 4]
Answer:
6 stops.
Step-by-step explanation:
The answer is 6 stops, because 4 times 6 is 24 and 24 plus 7 is 31.
I'm not completely positive but I believe this is how you do it.
7d=4d+21
7d - 4d = 21
3d = 21
3d / 3 = 21 / 3
d = 7
Answer:
yes
Step-by-step explanation:
Substitute x = - 8 and y = - 7 into the equation
If both sides are equal then (- 8, - 7) is a solution
left side = 3x + 10 = 3(- 8) + 10 = - 24 + 10 = - 14
right side = 2y = 2(- 7) = - 14
Since both sides are equal then (- 8, - 7) is a solution to the equation
The ordered pair (-8, -7) is a solution to the equation 3x + 10 = 2y. This is determined by substituting the values of the ordered pair into the given equation leading to -14 on both sides of the equation.
To determine if the ordered pair (-8, -7) is a solution to the equation 3x + 10 = 2y, we can substitute -8 for x and -7 for y in the equation.
This would result in 3*(-8) + 10 = 2*(-7), which simplifies to -24 + 10 = -14. So the left side of the equation equals -14, and the right side of the equation equals -14 as well. Because both sides equal the same value, the ordered pair (-8, -7)is a solution to the given equation.
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