Answer: r = 7
Step-by-step explanation:
Subtract 12 from both sides to isolate the r variable. You have -42 = -6r. Divide both sides by -6 to get r by itself and you get r = 7. Verify by substituting 7 as the r value and solving the equation.
Answer:
7/20
Step-by-step explanation:
Seventh grade: Total = 3 + 7 = 10
Number of boys = 7 boys
Probability of a boy being picked = 7/10
Eighth grade: Total 5 + 5 = 10
Number of boys = 5
Probability 5/10 = 1/2
The probability of the correct outcome = 7/10 * 1/2 = 7 / 20
Answer: 7 / 20
Answer:
270 s
Step-by-step explanation:
4 minutes = 240s
add the other 30s
boom
Answer:
slope = 0
Step-by-step explanation:
y = 3 is the equation of a horizontal line parallel to the x- axis.
Since it is parallel to the x- axis then slope = 0
8n
Hope it helps, good luck
