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choli [55]
3 years ago
8

4.

Mathematics
2 answers:
UkoKoshka [18]3 years ago
5 0

Answer:A

Step-by-step explanation:

RideAnS [48]3 years ago
5 0
The answer is a hope this helps
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Please help! Find the value of x.
bezimeni [28]

Answer:

Tag me as Brilliant

Step-by-step explanation:

Herevis your answer.

4 0
2 years ago
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X^2-18x+67=0 Solve the quadratic equation by completing the square.
Assoli18 [71]

Answer:

x = 9 ± √14

Step-by-step explanation:

x² − 18x + 67 = 0

Move the constant to the other side:

x² − 18x = -67

Take half of -18, square it, and add to both sides.

(-18/2)² = (-9)² = 81

x² − 18x + 81 = -67 + 81

x² − 18x + 81 = 14

Factor the perfect square:

(x − 9)² = 14

Solve for x:

x − 9 = ±√14

x = 9 ± √14

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3 years ago
A group of students investigated the effect of temperature of vinegar on its reaction time with baking soda. To minimize the ran
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Answer:

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Step-by-step explanation:

next time you answer someone's question with a bunch of random letters just to get the points don't. It rude especially sense you have questions you want answered. Now I could be nice and help you because I know how to solve this and you obviously don't, but I'm giving you the same curtesy as you did me and writing a bunch of gibberish.

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3 years ago
A gift box has the shape of a cube with an edge length of 4.5 in.
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Answer:

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Step-by-step explanation

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6 0
2 years ago
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What is FOIL and PEMDAS?
Ugo [173]
FOIL and PEMDAS are both ways to solve mathematical equations.

<u>FOIL</u><u />
First
Outside
Inside
Last

<u>PEMDAS
</u>
Parenthesis
Exponents
Multiplication &
Division
Addition &
S<u />ubtraction


FOIL is usually used to solve equations in two sets of parenthesis, for example:
(23+x)(5-4x)

PEMDAS is used to solve multiple-operation equations, such as:
5 x 4 + 6 - 2 x 7

Whew, hope this helped :D
3 0
3 years ago
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