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3 years ago

5

What expression is equivalent to 8x - 2y +x + x

1 answer:

Arada [10]3 years ago

3 0

Answer:

66

Step-by-step explanation:

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How to find the vertex of the,quadratic equation m^2-5m-14=0

777dan777 [17]

$quadratic\ formula:ax^2+bx+c=0\\\\m^2-5m-14=0\\\\a=1;\ b=-5;\ c=-14\\\\the\ vertex:(p;\ q)\ where\ p=\frac{-b}{2a}\ and\ q=-\frac{b^2-4ac}{4a}\\\\p=\frac{-(-5)}{2\cdot1}=\frac{5}{2}=2.5\\\\q=-\frac{(-5)^2-4\cdot1\cdot(-14)}{4\cdot1}=-\frac{25+56}{4}=-\frac{81}{4}=-20.25\\\\Answer:The\ vetrex\ is\ (2.5;-20.25)$

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3 years ago

4×7<br> 4×7=4(_+_)<br> 4×7=(4×_)+(4×_)<br> 4×7=_+_<br> 4×7=_

Lady bird [3.3K]

Answer:

4+3 =7 then 7×4=28

hoped it helped I am not sure if it is right

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3 years ago

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Zinaida [17]

Answer:

f(x) = -x -3

Step-by-step explanation:

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3 years ago

What is 4.5 divided by .25

Lana71 [14]

Answer:

18

Step-by-step explanation:

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4 years ago

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Isolate the variable x to solve the inequality. x +5>10

Natalka [10]

Answer:

$\boxed{\ x>5 \ }$

Step-by-step explanation:

x+5 > 10

<=>

x+5-5 > 10-5

<=>

x > 5

hope this helps

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3 years ago