Kathleen correctly determines four arithmetic means between −7 and 14. What values does Kathleen determine?
1 answer:
Answer:
Kathleen determines the four arithmetic means to be −2.8 , 1.4, 5.6, and 9.8.
Step-by-step explanation:
The overall interval is 14 -(-7) = 21 units in length. The four equally-spaced "means" divide the interval into 5 equal parts, each one of which is ...
21/5 = 4.2
The four means are ...
-7 +4.2 = -2.8
-2.8 +4.2 = 1.4
1.4 +4.2 = 5.6
5.6 +4.2 = 9.8
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Step-by-step explanation:
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<u>SOLUTION: </u>
General Equation: y = mx + b
.
Substitute slope = -2 into the equation:
y = -2x + b
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Find the y-intercept :
4 = -2(-3) + b
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Substitute b = -2 into the equation:
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Answer: p=11
Step-by-step explanation:
12p+7)139
-7 -7
12p)132
÷12 ÷12
P)11
