Step-by-step explanation:
<em>2</em><em>+</em><em>1</em><em>9</em><em>=</em><em>7x</em>
<em>2</em><em>1</em><em>=</em><em>7x</em>
<em>21</em><em>÷</em><em>7</em><em>=</em><em>7x</em><em>÷</em><em>7</em>
<em>3</em><em>=</em><em>x</em>
<em>.</em><em>.</em>
Answer:
Step-by-step explanation:
formula: 1/2h(b1+b2)
subsitution: 1/2×8(5+3)
next step: 1/2×8×8
next: 1/2×64
final: 32
A 4/52 7.69%
b 1/52 1.92%
c 2/52 3.84%
d 13/52 25.00%
e 39/52 75.00%.
f 16/52 30.76%
g 3/52 <span>5.76%.</span>
FRACTIONAL AND PERCENTAGE ANSWERS
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Answer:
A,C,E
Step-by-step explanation:
The chosen expressions are just rewrites of the original equation.
Answer:
D (option 4)
Step-by-step explanation:
Difference of medians:
110 - 80 = 30
Ranges:
Johnston: 140 - 80 = 60
30 = ½(60)
Martinville: 120 - 40 = 80
30 = ⅜(80)