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True [87]
3 years ago
7

 PLEASE HELP 15 PTS  HELP ME WITH TRUE OR FALSE MATH 

Mathematics
1 answer:
Sever21 [200]3 years ago
8 0
  • 1st on the top right hand corner is True
  • 2nd on the second row to the right is True
  • 3rd on the first row, second column is False
  • 4th on the second column second row is False
  • 5th on the third column, first row is True
  • 6th on the third column, second row is True
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What's the negative reciprocal of 5? Question 12 options: A) 1∕5 B) –5 C) –1∕5 D) 5
levacccp [35]

Answer:

\huge\boxed{C)\ -\dfrac{1}{5}}

Step-by-step explanation:

The reciprocal of 5: \dfrac{1}{5}

The negative reciprocal of 5: -\dfrac{1}{5}

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2 years ago
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249-76=173. Answer is a
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2 years ago
PLEASE HELP ME I WILL DO ANYTHING!!
il63 [147K]

Answer:

i’m pretty sure it’s because they make 180°

Step-by-step explanation:

6 0
2 years ago
If f(x) = 3x22, evaluate afI: ()k=1
Korolek [52]

Step 1: Write out the function given

f(x)=3x^2-x

Step 2: Interprete the question given

\sum ^5_{k\mathop=1}f(\frac{k}{2})

The question requested we find the summation of the first five terms for f(k/2), when k is 1, 2, 3, 4, and 5

Step 3: Find the expression for f(k/2)

\begin{gathered} f(\frac{k}{2})=3(\frac{k}{2})^2-\frac{k}{2} \\ =\frac{3k^2}{4}-\frac{k}{2} \\ =\frac{3k^2-2k}{4} \end{gathered}\begin{gathered} =\frac{3(1)^2-2(1)}{4}+\frac{3(2)^2-2(2)}{4}+\frac{3(3)^2-2(3)}{4}+\frac{3(4)^2-2(4)}{4}+\frac{3(5)^2-2(5)}{4} \\ =\frac{1+8+21+40+65}{4} \\ =\frac{135}{4} \\ =33.75 \end{gathered}

Hence, the answer is 33.75

5 0
1 year ago
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