First simplify the one inequality, 6r + 30 greater than or equal to 12 just divide by 6 then subtract 30 from both sides of the inequality. You should get r is greater than or equal to -3. For this one you need to reverse the inequality symbol then divide both sides by -1 to get a positive r, and you get r is less than -12. It's not A because there's two solutions, and it's not D for the same reason. It's not C because r isn't greater than -12. In conclusion it's B because it correctly represents the solutions that make the inequality true. I hope this helps you on your high school application :)
Answer:
i think it would be 200
Step-by-step explanation:
Answer:
- notice: temperature rises quickly at sunrise, and drops before sunset
- wonder: whether this location is shaded by mountains later in the day
Step-by-step explanation:
<u>notice</u>
The temperature starts off below zero in the early morning and stays cold until the sun comes up. Then it warms rapidly to an above zero temperature that peaks in early afternoon. Once the sun gets lower, the temperature starts cooling off again. (The daily temperature range of 25-27 degrees is pretty typical for partly-cloudy sky conditions and stable weather.)
<u>wonder</u>
We wonder if this isn't a location that is on the east- or north-side of a mountain, or in a mountain valley, where the sun hits it early and is shaded later in the day. (The topo map attached seems to show it is in such a location.)
Set the equation equal to y
Add x to each side
7y=14 +x
Divide each side by 7
y=2 + x
The slope is whatever number corresponds with the variable x
In this case there is no number in front of the x which indicates that the slope is 1