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Radda [10]
3 years ago
12

Can someone please help me with these questions

Mathematics
1 answer:
Phoenix [80]3 years ago
3 0
A.) positive correlation

b.) 125

c.) i’m not sure if this is the right answer but - i believe this prediction will not be very reliable because the graph does not have a strong correlation.







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In an experiment to see if light affected the amount of interaction, one group of students was put in a lighted room for an hour
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The Amount of light. 
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Lila is making 1/4 of a recipe for a bake sale. The original recipe calls for 2/3 cups of sugar. How much sugar does Lila need t
Assoli18 [71]

Answer:

Step-by-step explanation:

1/4 of 2/3 is just (1/4) / (2/3) or (1/4)(3/2)

1/4 * 3/2= 3/8

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2 years ago
PLEASE HELP! find the inverse matrix​
Sauron [17]

Answer:

see explanation

Step-by-step explanation:

The inverse of a matrix A = \left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right] is

A^{-1} = \frac{1}{ad-bc} \left[\begin{array}{ccc}d&-b\\-c&a\\\end{array}\right]

If ad - bc = 0 then the matrix has no inverse

A = \left[\begin{array}{ccc}11&-5\\3&-1\\\end{array}\right]

ad - bc = (11 × - 1) - (- 5 × 3) = - 11 - (- 15) = - 11 + 15 = 4 , then

A^{-1} = \frac{1}{4} \left[\begin{array}{ccc}-1&3\\-5&11\\\end{array}\right] = \left[\begin{array}{ccc}-0.25&0.75\\-1.25&2.75\\\end{array}\right]

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2 years ago
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PLEASE HELP I FORGOT EVERYTHING
Phantasy [73]

\huge{\textbf{\textsf{{\color{navy}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}

\frac{2}{x}  =  \frac{5}{3}

By doing cross multiplication.

6 = 5x \\  x = \frac{6}{5}  \\ x = 1.2

  • Thanks
  • Hope it helps
  • Pls mark as brainliest
6 0
2 years ago
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I need to see that steps so please someone help!!
mestny [16]

Answer:

The answer is (2,5)

Thanks! Please mark as brainliest!!!!

Step-by-step explanation:

4 0
3 years ago
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