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4 years ago

5

Drew wrote the

1 answer:

Fiesta28 [93]4 years ago

4 0

Every number consists of digits. One digit is the least number of digits a number can have. The place value is the position of each digit in a number. <span>Digits are separated into groups of three by commas. So, a period is a group of three digits, but not any three digits. So, Drew's sentence is false. A period is a group of consecutive digits.</span>

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jarptica [38.1K]

Answer:

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Step-by-step explanation:

<h3>Set up equations</h3>

m - May, j - June

m + j = 84
m = 1/3j

<h3>Solve by substitution, fin the value of j</h3>

1/3j + j = 84
4/3j = 84
j = 84*3/4
j = 63

<h3>Find m</h3>

m + 63 = 84
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3 years ago

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3 years ago

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3 years ago

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Answer:

$\huge\boxed{(2,\ 3);\ (-1,\ 6)}$

Step-by-step explanation:

$f(x)=x^2-2x+3\to y=x^2-2x+3\\f(x)=-x+5\to y=-x+5\\\\\left\{\begin{array}{ccc}y=x^2-2x+3&(1)\\y=-x+5&(2)\end{array}\right$

substitute (1) to (2):

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$x^2-2x+x+3=-x+x+5$

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$x^2-x-2=0\\\\x^2+x-2x-2=0\\\\x(x+1)-2(x+1)=0\\\\(x+1)(x-2)=0\iff x+1=0\ \vee\ x-2=0\\\\\boxed{x=-1\ \vee\ x=2}$

substitute the values of x to (2):

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3 years ago

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Step-by-step explanation:

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3 years ago

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