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2 years ago

PLEASE HELP I WILL GIVE BRAINLIEST

Mathematics

2 answers:

Verizon [17]2 years ago

7 0

Step-by-step explanation:

just move the decimal over two spaces to the left here so for example

a) 64% = 0.64

81% = 0.81

46% =0.46

40% = 0.40

4% = 0.04

move the decimal to the right two times

b) 0.13 =13%

0.22 = 22%

0.06 = 6%

0.76= 76%

0.765= 76.5%

c) their both correct 0.80 and 0.8 is the same answer whether you add the zero or not has no difference

ale4655 [162]2 years ago

3 0

Answer:

.64 .81 .46 .40 .04 13% 22% 06% 76% 76%

c i argree with both because 80% as a decmial can be both .8 and .80

Step-by-step explanation:

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Artemon [7]

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):

$x^2-2x+3=-x+5$ add x to both sides

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

$x^2-x+3=5$ subtract 5 from both sides

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

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

substitute the values of x to (2):

$x=-1\\\\y=-(-1)+5=1+5=6\\\\\huge\boxed{(-1,\ 6)}\\\\x=2\\\\y=-2+5=3\\\\\huge\boxed{(2,\ 3)}$

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Step-by-step explanation:

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