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SashulF [63]
3 years ago
9

Help your girl out, plz!!!​

Mathematics
1 answer:
frez [133]3 years ago
3 0

Answer:

B. half the students answer 70% or 75% of the questions correctly

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Simplify. 3(x + 4) please
Sveta_85 [38]

Answer:

3 x + 12

Step-by-step explanation:

6 0
3 years ago
If 3 to the power of x+1 = 81 and 81 to the power of x-y = 3 then what is the value of x and y?
fgiga [73]
From 1st condition:

3^(x+1)=81
Take log on both sides,
➡ log [3^(x+1)]=log81
Use the property: log(x^a)=a logx
➡ (x+1) log 3=log(3⁴)
➡ (x+1) log 3=4×log 3
➡ (x+1)=4 (log 3 /log 3)
➡ x+1=4
➡ x=3➡↪➡↪ ANS

From 2nd condition, (Same process are repeated)

81^(x-y)=3
➡ 3^4(x-y)=3
➡ log [3^4(3-y)]=log 3
➡ 4(3-y) log 3=log 3
➡ (3-y)=(log 3)/(4log 3)
➡ 3-y=(1/4)
➡ y=11/4 ➡↪➡↪ ANS
4 0
3 years ago
State the practical meaning of the slope and y-intercept for the situation described. The cost, in dollars, of retaining the ser
Anuta_ua [19.1K]
The practical meaning of the slope and y - intercept of the linear equation, C = 48x + 18 is that 48x is the variable cost depending on the number of hours and 18 is the fixed cost or the overhead change. Hence, the answer to the question above is letter A. 
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3 years ago
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Determine the input value for which the statement f(x) = g(x) is true.
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Answer:

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Step-by-step explanation:

3 0
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Find the five-number summary for the data. {231, 201, 221, 210, 225, 228, 212, 236, 225, 201, 216, 215, 231, 226, 206, 240}
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Answer:

201, 206, 216, 228, 240

Step-by-step explanation:

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