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Maslowich
3 years ago
11

Middle SchoolMathematics 10 points

Mathematics
1 answer:
uysha [10]3 years ago
7 0
59 blue jays, 68 black crows, 12 red robins, 1 cardinal....total of 140 birds
there were 59 blue jays spotted...

59/140 = x / 300...59 jays to 140 birds = x jays to 300 birds
cross multiply
(140)(x) = (300)(59)
140x = 17700
x = 17700/140
x = 126.42...rounds to 126 blue jays <==
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Answer:

<h2>7.5$</h2>

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

plug the value of m and b in the equation:

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Which function below is the inverse of f(x) = X2 - 25?
viva [34]

Answer: f^{-1}(x)=  \sqrt{x+25} and f^{-1}(x)= - \sqrt{x+25}

Step-by-step explanation:

   To find the inverse, we will set f(x) equal to y, swap the x and y values, and then solve for y.

   Given:

f(x) = x² - 25

   Equal to y:

y = x² - 25

   Swamp x and y values:

x = y² - 25

   Add 25 to both sides of the equation:

y² = x + 25

   Square root both sides of the equation:

y=  \sqrt{x+25} and y=  -\sqrt{x+25}

   Interval notation:

f^{-1}(x)=  \sqrt{x+25},\text{and}\;f^{-1}(x)=  -\sqrt{x+25}

8 0
1 year ago
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