Answer:
Substitute the x and y values from the ordered pairs into the equation, one by one, until both sides of the equation are equal.
Step-by-step explanation:
A. (-2,-3)
3 * (-2) - 4 * (-3) = 21
-6 + 12 = 21
6 = 21 <u>not equal</u>
B. (0,7)
3 * 0 - 4 * 7 = 21
0 - 28 = 21
- 28 = 21 <u>n</u><u>o</u><u>t</u><u> </u><u>e</u><u>q</u><u>u</u><u>a</u><u>l</u>
C. (7,0)
3 * 7 - 4 * 0 = 21
21 - 0 = 21
21 = 21 <u>equal</u>
Answer:
1 solution
Step-by-step explanation:
s² - 35 = -35
Add 35 to both sides: <em>s² = 0</em>
<em>s can only be 0, and 0 has no positives nor negatives</em>, so one number.
Answer:
200 feet to 2 ft 6 inches (or 30 inches)
Convert the 200 feet to inches
2400 inches.
2400 divided by 30 inches is
80 inches per feet
600 inches divided by 80 is
7.5 inches rounded up is 8 inches
the answer is 8 inches
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
Hope it helps! :D
Answer:
b. 8.7
Step-by-step explanation:
7 rounds up turning the 6 besides it into a 7.