3 years ago

Write 4/7 as a decimal

Mathematics

1 answer:

den301095 [7]3 years ago

7 0

0.571428571 is 4/7 as a decimal. Also to find your answer just divide. The fraction bar is a division symbol.

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If y = 10x - 1 and the value of x is 10, what is the value of y?

KatRina [158]

Answer:

Step-by-step explanation:

99 because x= 10 so 10 times 10 is 100 - 1 will = 99

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3 years ago

PLEASEEE HELP MEEEE<br><br>NO LINKSSS

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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3 years ago

What 2 numbers are factors of 18?

WITCHER [35]

Factors are the numbers you multiply together to get given number.

All possible factorizations of number 18 by two factors are:

18=1·18;
18=2·9;
18=3·6.

Answer: 1 and 18, 2 and 9, 3 and 6.

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The expression \dfrac12bh

mariarad [96]

Answer:

2 one.

Step-by-step explanation:

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2 5/6 - 11/4=?ggffcgyujjh

ElenaW [278]

1/12 I think I’m sorry if it isn’t

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